From f566fafc4cc19ca2ef29065f9886a8ca2d1a87d7 Mon Sep 17 00:00:00 2001
From: Jean-Francois Remacle <jean-francois.remacle@uclouvain.be>
Date: Tue, 22 Jan 2008 17:24:29 +0000
Subject: [PATCH] *** empty log message ***

---
 Mesh/BDS.cpp                        |   87 +-
 Mesh/BDS.h                          |    7 +
 Mesh/meshGFace.cpp                  |  305 +-
 Mesh/meshGFaceDelaunayInsertion.cpp |  149 +-
 Mesh/meshGFaceDelaunayInsertion.h   |   12 +-
 Mesh/meshGFaceOptimize.cpp          |  103 +-
 Mesh/meshGFaceOptimize.h            |   60 +-
 configure                           | 5660 ++++++++++++---------------
 8 files changed, 3064 insertions(+), 3319 deletions(-)

diff --git a/Mesh/BDS.cpp b/Mesh/BDS.cpp
index 905d9b13ed..36d69395af 100644
--- a/Mesh/BDS.cpp
+++ b/Mesh/BDS.cpp
@@ -1,4 +1,4 @@
-// $Id: BDS.cpp,v 1.92 2008-01-20 10:10:41 geuzaine Exp $
+// $Id: BDS.cpp,v 1.93 2008-01-22 17:24:29 remacle Exp $
 //
 // Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
 //
@@ -155,9 +155,8 @@ BDS_Point *BDS_Mesh::find_point(int p)
     return 0;
 }
 
-BDS_Edge *BDS_Mesh::find_edge(int num1, int num2)
+BDS_Edge *BDS_Mesh::find_edge(BDS_Point *p, int num2)
 {
-  BDS_Point *p = find_point(num1);
   std::list < BDS_Edge * >::iterator eit = p->edges.begin();
   while(eit != p->edges.end()) {
     if((*eit)->p1 == p && (*eit)->p2->iD == num2)
@@ -169,6 +168,17 @@ BDS_Edge *BDS_Mesh::find_edge(int num1, int num2)
   return 0;
 }
 
+BDS_Edge *BDS_Mesh::find_edge(BDS_Point *p1, BDS_Point *p2)
+{
+  return find_edge (p1,p2->iD);
+}
+
+BDS_Edge *BDS_Mesh::find_edge(int num1, int num2)
+{
+  BDS_Point *p = find_point(num1);
+  return find_edge (p,num2);
+}
+
 int Intersect_Edges_2d(double x1, double y1, double x2, double y2,
 		       double x3, double y3, double x4, double y4)
 {
@@ -782,6 +792,16 @@ void BDS_Mesh::saturate_edge(BDS_Edge * e, std::vector<BDS_Point *> &mids)
 bool BDS_SwapEdgeTestQuality::operator () (BDS_Point *_p1,BDS_Point *_p2,
 					   BDS_Point *_q1,BDS_Point *_q2) const
 {
+
+   double s1 = fabs(surface_triangle_param(_p1,_p2,_q1)); 
+   double s2 = fabs(surface_triangle_param(_p1,_p2,_q2)); 
+   double s3 = fabs(surface_triangle_param(_p1,_q1,_q2)); 
+   double s4 = fabs(surface_triangle_param(_p2,_q1,_q2)); 
+   if (fabs(s1+s2-s3-s4) > 1.e-10 * (s1+s2))return false;
+   if (s3 < .02 * (s1+s2) || s4 < .02 * (s1+s2))return false;
+   return true;
+		   
+
    double p1 [2] = {_p1->u,_p1->v};
    double p2 [2] = {_p2->u,_p2->v};
    double op1[2] = {_q1->u,_q1->v};
@@ -829,6 +849,67 @@ bool BDS_SwapEdgeTestQuality::operator () (BDS_Point *_p1,BDS_Point *_p2,BDS_Poi
 }
 
 
+
+void swap_config(BDS_Edge * e, 
+		 BDS_Point **p11,BDS_Point **p12,BDS_Point **p13,
+		 BDS_Point **p21,BDS_Point **p22,BDS_Point **p23,
+		 BDS_Point **p31,BDS_Point **p32,BDS_Point **p33,
+		 BDS_Point **p41,BDS_Point **p42,BDS_Point **p43)
+{
+  BDS_Point *op[2];
+  BDS_Point *p1 = e->p1;
+  BDS_Point *p2 = e->p2;
+  e->oppositeof(op);
+
+  BDS_Point *pts1[4];
+  e->faces(0)->getNodes(pts1);
+
+  // compute the orientation of the face
+  // with respect to the edge
+  int orientation = 0;
+  for(int i = 0; i < 3; i++) {
+    if(pts1[i] == p1) {
+      if(pts1[(i + 1) % 3] == p2)
+        orientation = 1;
+      else
+        orientation = -1;
+      break;
+    }
+  }
+  
+  if(orientation == 1) {
+    *p11 = p1;
+    *p12 = p2;
+    *p13 = op[0];
+
+    *p21 = p2;
+    *p22 = p1;
+    *p23 = op[1];
+
+    *p31 = p1;
+    *p32 = op[1];
+    *p33 = op[0];
+
+    *p41 = op[1];
+    *p42 = p2;
+    *p43 = op[0];
+  }
+  else{
+    *p11 = p2;
+    *p12 = p1;
+    *p13 = op[0];
+    *p21 = p1;
+    *p22 = p2;
+    *p23 = op[1];
+    *p31 = p1;
+    *p32 = op[0];
+    *p33 = op[1];
+    *p41 = op[1];
+    *p42 = op[0];
+    *p43 = p2;
+  }
+}
+
 bool BDS_Mesh::swap_edge(BDS_Edge * e, const BDS_SwapEdgeTest &theTest)
 {
 
diff --git a/Mesh/BDS.h b/Mesh/BDS.h
index 9019311c0b..ac91602a1a 100644
--- a/Mesh/BDS.h
+++ b/Mesh/BDS.h
@@ -46,6 +46,11 @@ void normal_triangle(BDS_Point *p1, BDS_Point *p2, BDS_Point *p3, double c[3]);
 double surface_triangle(BDS_Point *p1, BDS_Point *p2, BDS_Point *p3); 
 double surface_triangle_param(BDS_Point *p1, BDS_Point *p2, BDS_Point *p3); 
 void optimize_vertex_position (GFace *GF, BDS_Point *data, double su, double sv);
+void swap_config(BDS_Edge * e, 
+		 BDS_Point **p11,BDS_Point **p12,BDS_Point **p13,
+		 BDS_Point **p21,BDS_Point **p22,BDS_Point **p23,
+		 BDS_Point **p31,BDS_Point **p32,BDS_Point **p33,
+		 BDS_Point **p41,BDS_Point **p42,BDS_Point **p43);
 
 
 class BDS_GeomEntity
@@ -437,6 +442,8 @@ public:
   BDS_Edge  * add_edge(int p1, int p2);
   void del_edge(BDS_Edge *e);
   BDS_Edge  *find_edge(int p1, int p2);
+  BDS_Edge  *find_edge(BDS_Point*p1, BDS_Point *p2);
+  BDS_Edge  *find_edge(BDS_Point*p1, int p2);
   BDS_Edge  *find_edge(BDS_Point *p1, BDS_Point *p2, BDS_Face *t)const;
   // Triangles & Quadrangles
   BDS_Face *add_triangle(int p1, int p2, int p3); 
diff --git a/Mesh/meshGFace.cpp b/Mesh/meshGFace.cpp
index d9823a53b2..418e76d084 100644
--- a/Mesh/meshGFace.cpp
+++ b/Mesh/meshGFace.cpp
@@ -1,4 +1,4 @@
-// $Id: meshGFace.cpp,v 1.110 2008-01-22 09:12:51 geuzaine Exp $
+// $Id: meshGFace.cpp,v 1.111 2008-01-22 17:24:29 remacle Exp $
 //
 // Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
 //
@@ -41,6 +41,7 @@
 extern Context_T CTX;
 
 static double SCALINGU=1,SCALINGV=1;
+void smoothVertexPass ( GFace *gf, BDS_Mesh &m, int &nb_smooth);
 
 bool noseam (  GFace *gf  )
 {
@@ -327,6 +328,96 @@ int edgeSwapTestQuality(BDS_Edge *e, double fact = 1.1, bool force = false)
   return 0;
 }
 
+bool evalSwap(BDS_Edge *e, double &qa, double &qb)
+{
+  BDS_Point *op[2];
+  
+  if(e->numfaces() != 2) return false;  
+  e->oppositeof (op);
+  double qa1 = qmTriangle(e->p1, e->p2, op[0],QMTRI_RHO);
+  double qa2 = qmTriangle(e->p1, e->p2, op[1],QMTRI_RHO);
+  double qb1 = qmTriangle(e->p1, op[0], op[1],QMTRI_RHO);
+  double qb2 = qmTriangle(e->p2, op[0], op[1],QMTRI_RHO);
+  qa = std::min(qa1,qa2);
+  qb = std::min(qb1,qb2);
+  return true;
+}
+
+bool evalCollapseForOptimize(BDS_Edge *e, GFace *gf){
+  double l =  NewGetLc(e, gf);
+  // edge is too short, we collapse it IF 
+  //    -) mesh quality is not destroyed
+  //    -) les 
+  if (l > .3)return false;
+}
+
+bool evalSwapForOptimize(BDS_Edge *e, GFace *gf)
+{
+  if(e->numfaces() != 2) return false;  
+
+  BDS_Point *p11,*p12,*p13;
+  BDS_Point *p21,*p22,*p23;
+  BDS_Point *p31,*p32,*p33;
+  BDS_Point *p41,*p42,*p43;
+  swap_config(e,&p11,&p12,&p13,&p21,&p22,&p23,&p31,&p32,&p33,&p41,&p42,&p43);
+
+  // First, evaluate what we gain in element quality if the
+  // swap is performed
+  double qa1 = qmTriangle(p11, p12, p13,QMTRI_RHO);
+  double qa2 = qmTriangle(p21, p22, p23,QMTRI_RHO);
+  double qb1 = qmTriangle(p31, p32, p33,QMTRI_RHO);
+  double qb2 = qmTriangle(p41, p42, p43,QMTRI_RHO);
+  double qa = std::min(qa1,qa2);
+  double qb = std::min(qb1,qb2);
+  double qualIndicator = qb - qa;
+  bool qualShouldSwap = qb > 2*qa;
+  bool qualCouldSwap  = !(qb < qa*.5) && qb > .05;
+
+  // then evaluate if swap produces smoother surfaces 
+  double norm11[3];
+  double norm12[3];
+  double norm21[3];
+  double norm22[3];
+  normal_triangle(p11,p12,p13,norm11);
+  normal_triangle(p21,p22,p23,norm12);
+  normal_triangle(p31,p32,p33,norm21);
+  normal_triangle(p41,p42,p43,norm22);
+  double cosa;prosca (norm11,norm12,&cosa);
+  double cosb;prosca (norm21,norm22,&cosb);
+  double smoothIndicator = cosb - cosa;
+  bool smoothShouldSwap =  (cosa < 0.1 && cosb > 0.3); 
+  bool smoothCouldSwap =  !(cosb < cosa*.5); 
+
+  double la  = computeEdgeLinearLength ( p11 , p12 );
+  double la_ = computeEdgeLinearLength ( p11 , p12 , gf );
+  double lb  = computeEdgeLinearLength ( p13 , p23 );
+  double lb_ = computeEdgeLinearLength ( p13 , p23 , gf );
+
+  double LA = (la_-la)/la_;
+  double LB = (lb_-lb)/lb_;
+
+  double distanceIndicator = LA - LB;
+  bool distanceShouldSwap =  (LB < .5*LA) && LA > 1.e-2;
+  bool distanceCouldSwap =  !(LB > 2*LA) || LB < 1.e-2; 
+  
+  if (20*qa < qb)return true;
+
+  // if swap enhances both criterion, the do it !
+  if (distanceIndicator > 0 && qualIndicator > 0)return true;
+  if (distanceShouldSwap && qualCouldSwap)return true;
+  if (distanceCouldSwap && qualShouldSwap)return true;
+//   if (smoothIndicator > 0 && qualIndicator > 0)return true;
+//   if (smoothShouldSwap && qualCouldSwap)return true;
+//   if (smoothCouldSwap && qualShouldSwap)return true;
+  //  if (distanceShouldSwap && qualCouldSwap)return true;
+  //  if (distanceCouldSwap && qualShouldSwap)return true;
+  if (cosa < 0 && cosb > 0 && qb > 0.0){
+    //    printf("coucou %g %g\n",cosa,cosb);
+    return true;
+  }
+  return false;  
+}
+
 bool edgeSwapTestDelaunay(BDS_Edge *e,GFace *gf)
 {
 
@@ -337,7 +428,7 @@ bool edgeSwapTestDelaunay(BDS_Edge *e,GFace *gf)
   if(e->numfaces() != 2) return false;
 
   e->oppositeof (op);
-  
+
   double p1x[3] =  {e->p1->X,e->p1->Y,e->p1->Z};
   double p2x[3] =  {e->p2->X,e->p2->Y,e->p2->Z};
   double op1x[3] = {op[0]->X,op[0]->Y,op[0]->Z};
@@ -350,54 +441,163 @@ bool edgeSwapTestDelaunay(BDS_Edge *e,GFace *gf)
   return result > 0.;
 }
 
-void OptimizeMesh(GFace *gf, BDS_Mesh &m, const int NIT)
+bool edgeSwapTestDelaunayAniso(BDS_Edge *e,GFace *gf,std::set<swapquad> & configs)
 {
-  // optimize
-  if (0)
-    {
-      for(int i = 0 ; i < NIT ; i++){
-	{
-	  std::set<BDS_Point*,PointLessThan> PTS (m.points);
-	  std::set<BDS_Point*,PointLessThan>::iterator itp = PTS.begin();
-	  while (itp != PTS.end())
-	    {
-	      std::list < BDS_Face * >t;
-	      (*itp)->getTriangles(t);
-	      if (t.size()==(*itp)->edges.size()  &&  t.size() < 5)
-		for (std::list<BDS_Edge*>::iterator ite = (*itp)->edges.begin();ite!=(*itp)->edges.end();++ite)
-		  {
-		    if(m.collapse_edge_parametric ( (*ite), (*itp)))break;
-		  }
-	      else
-		m.smooth_point_centroid(*itp,gf);		
-	      ++itp;
-	    }
-	}
-      }
-    }
+  BDS_Point *op[2];
+  
+  if(!e->p1->config_modified && ! e->p2->config_modified) return false;
 
-//   for(int i = 0 ; i < NIT ; i++){
-//     std::set<BDS_Point*,PointLessThan>::iterator itp = m.points.begin();
-//     while (itp != m.points.end())
-//       {
-// 	optimize_vertex_position(gf,*itp,m.scalingU,m.scalingV);		
-// 	++itp;
-//       }
-//   }
+  if(e->numfaces() != 2) return false;
+
+  e->oppositeof (op);
+
+  swapquad sq (e->p1->iD,e->p2->iD,op[0]->iD,op[1]->iD);
+  if (configs.find(sq) != configs.end())return false;
+  configs.insert(sq);
+  
+  double edgeCenter[2] ={0.5*(e->p1->u+e->p2->u),
+			 0.5*(e->p1->v+e->p2->v)};
+			 
+  double p1[2] ={e->p1->u,e->p1->v};
+  double p2[2] ={e->p2->u,e->p2->v};
+  double p3[2] ={op[0]->u,op[0]->v};
+  double p4[2] ={op[1]->u,op[1]->v};
+  double metric[3];
+  buildMetric ( gf , edgeCenter , metric);
+  //  printf("%22.15E %22.15E %22.15E\n",metric[0],metric[1],metric[2]);
+  if (!inCircumCircleAniso (gf,p1,p2,p3,p4,metric)){
+    return false;
+  } 
+  return true;
+}
 
 
- for (int KK=0;KK<4;KK++){
-   // swap edges that provide a better configuration
+void swapEdgeDelaunayPass ( GFace *gf, BDS_Mesh &m, int &nb_swap )
+{
+  std::set<swapquad>  configs;
+  for (int i=0;i<1000;i++){
     int NN1 = m.edges.size();
     int NN2 = 0;
+    int NSW = 0;
     std::list<BDS_Edge*>::iterator it = m.edges.begin();
     while (1)
       {
 	if (NN2++ >= NN1)break;
-	m.swap_edge ( *it , BDS_SwapEdgeTestQuality(true));
+	//	printf("caca\n");
+	if (!(*it)->deleted)
+	  {
+	    if (edgeSwapTestDelaunayAniso(*it,gf,configs)){	
+	      if (m.swap_edge ( *it , BDS_SwapEdgeTestQuality(false))){
+		NSW++;
+	      }
+	    }
+	  }
+	++it;
+      }
+    nb_swap += NSW;
+    //    printf("nbSwaps = %d\n",NSW);
+    if (!NSW)return;
+  }
+}
+void OptimizeMesh(GFace *gf, BDS_Mesh &m, const int NIT, std::map<BDS_Point*,MVertex*> *recover_map = 0)
+{
+  int nb_swap;
+  swapEdgeDelaunayPass ( gf, m, nb_swap );
+
+  int nb_smooth;
+  smoothVertexPass ( gf,m,nb_smooth);
+
+  for (int ITER = 0;ITER < 3;ITER++){
+    double LIMIT = .1;
+    for (int KK=0;KK<4;KK++){
+      // swap edges that provide a better configuration
+      int NN1 = m.edges.size();
+      int NN2 = 0;
+      std::list<BDS_Edge*>::iterator it = m.edges.begin();
+      while (1)
+	{
+	  if (NN2++ >= NN1)break;
+	  if (evalSwapForOptimize(*it,gf))	
+	    m.swap_edge ( *it , BDS_SwapEdgeTestQuality(false));
+	  ++it;
+	}
+      m.cleanup();  
+    }
+    
+
+    // then collapse small edges (take care not to create overlapping triangles)
+    
+    // in case of periodic surfaces, split all edges that are problematic
+    for (int KK=0;KK<1;KK++){
+      int NN1 = m.edges.size();
+      int NN2 = 0;
+      std::list<BDS_Edge*>::iterator it = m.edges.begin();
+      std::vector<BDS_Edge *> toSplit;
+      while (1){
+	if (NN2++ >= NN1)break;
+	if((*it)->numfaces() == 2){
+	  if (recover_map){
+	    std::map<BDS_Point*,MVertex*>::iterator itp1 = recover_map->find((*it)->p1);
+	    std::map<BDS_Point*,MVertex*>::iterator itp2 = recover_map->find((*it)->p2);
+	    BDS_Point *op[2];
+	    (*it)->oppositeof (op);
+	    std::map<BDS_Point*,MVertex*>::iterator itp3 = recover_map->find(op[0]);
+	    std::map<BDS_Point*,MVertex*>::iterator itp4 = recover_map->find(op[1]);
+	    
+	    // this edge goes from one side to the other of the periodic parametric space !
+	    if (itp1 != recover_map->end() && itp2 != recover_map->end() && itp1->second == itp2->second)
+	      toSplit.push_back(*it);
+	    // this edge is internal but the 2 adjacent triangles are the same in the real space
+	    if (itp3 != recover_map->end() && itp4 != recover_map->end() && itp3->second == itp4->second)
+	      {
+		// the first point is internal, split both edges that go from this one to the two opposites (that are the same)
+		BDS_Edge *e1 , *e2 ;
+		//		  printf ("edge prob %d %d\n",(*it)->p1->iD,(*it)->p2->iD);
+		if (itp1 == recover_map->end()){
+		  e1 = m.find_edge ((*it)->p1,itp3->first);
+		  e2 = m.find_edge ((*it)->p1,itp4->first);
+		  if (e1 && e1->numfaces() == 2)
+		    toSplit.push_back(e1);
+		  if (e2 && e2->numfaces() == 2)
+		    toSplit.push_back(e2);
+		}
+		else if (itp2 == recover_map->end()){
+		  e1 = m.find_edge ((*it)->p2,itp3->first);
+		  e2 = m.find_edge ((*it)->p2,itp4->first);
+		  if (e1 && e1->numfaces() == 2)
+		    toSplit.push_back(e1);				      
+		  if (e2 && e2->numfaces() == 2)
+		    toSplit.push_back(e2);
+		}
+		else{
+		  printf("zarbi\n");
+		}
+	      }
+	    //	      toSplit.push_back(*it);	    
+	  }
+	}
 	++it;
       }
-    m.cleanup();  
+      //	printf("%d edges to split\n",toSplit.size());
+      for (int i=0;i<toSplit.size();i++){
+	BDS_Edge *e = toSplit[i];
+	if (!e->deleted){
+	  const double coord = 0.5;
+	  BDS_Point *mid ;
+	  mid  = m.add_point(++m.MAXPOINTNUMBER,
+			     coord * e->p1->u + (1 - coord) * e->p2->u,
+			     coord * e->p1->v + (1 - coord) * e->p2->v,gf);	
+	  //	    printf("%d %d %d\n",e->p1->iD,e->p2->iD,mid->iD);
+	  mid->lcBGM() = BGM_MeshSize(gf,
+				      (coord * e->p1->u + (1 - coord) * e->p2->u)*m.scalingU,
+				      (coord * e->p1->v + (1 - coord) * e->p2->v)*m.scalingV,
+				      mid->X,mid->Y,mid->Z);
+	  mid->lc() = 0.5 * ( e->p1->lc() +  e->p2->lc() );		  
+	  if(!m.split_edge ( e, mid )) m.del_point(mid);
+	}
+      }
+      m.cleanup();  
+    }
   }
 }
 
@@ -425,6 +625,7 @@ void swapEdgePass ( GFace *gf, BDS_Mesh &m, int &nb_swap )
     }  
 }
 
+
 int getTemplate (const BDS_Face *f, const std::map<BDS_Edge*,std::pair<BDS_Edge*,BDS_Edge*> >&splits,
 		 BDS_Edge *edges[3][2]){
   int k = 0;
@@ -1373,19 +1574,20 @@ bool gmsh2DMeshGenerator ( GFace *gf , int RECUR_ITER, bool debug = true)
   
   Msg(DEBUG1,"Meshing of the convex hull (%d points) done",all_vertices.size());
 
-  for(int i = 0; i < doc.numTriangles; i++) 
-    {
-      MVertex *V1 = (MVertex*)doc.points[doc.delaunay[i].t.a].data;
-      MVertex *V2 = (MVertex*)doc.points[doc.delaunay[i].t.b].data;
-      MVertex *V3 = (MVertex*)doc.points[doc.delaunay[i].t.c].data;
-      m->add_triangle ( V1->getNum(), V2->getNum(), V3->getNum() );
-    }  
-  // Free stuff
+  for(int i = 0; i < doc.numTriangles; i++) {
+    MVertex *V1 = (MVertex*)doc.points[doc.delaunay[i].t.a].data;
+    MVertex *V2 = (MVertex*)doc.points[doc.delaunay[i].t.b].data;
+    MVertex *V3 = (MVertex*)doc.points[doc.delaunay[i].t.c].data;
+    m->add_triangle ( V1->getNum(), V2->getNum(), V3->getNum() );
+  }      
   free (doc.points);
   free (doc.delaunay);
   for ( int ip = 0 ; ip<4 ; ip++ ) delete bb[ip];
 
 
+  // Free stuff
+
+
 //   sprintf(name,"real%d.pos",gf->tag());
 //   outputScalarField(m->triangles, name,0);
 
@@ -1539,6 +1741,13 @@ bool gmsh2DMeshGenerator ( GFace *gf , int RECUR_ITER, bool debug = true)
       outputScalarField(m->triangles, name,1);
     }
 
+  int nb_swap; 
+  //  outputScalarField(m->triangles, "beforeswop.pos",1);
+
+  swapEdgeDelaunayPass ( gf, *m, nb_swap );
+
+  //  outputScalarField(m->triangles, "afterswop.pos",0);
+
   // start mesh generation
   if (!AlgoDelaunay2D ( gf ))
     {
@@ -2104,9 +2313,9 @@ bool gmsh2DMeshGeneratorPeriodic ( GFace *gf , bool debug = true)
   if (!AlgoDelaunay2D ( gf ))
     {
       RefineMesh (gf,*m,CTX.mesh.refine_steps);
-      OptimizeMesh(gf, *m, 2);
+      OptimizeMesh(gf, *m, 2,&recover_map);
       RefineMesh (gf,*m,-CTX.mesh.refine_steps);
-      OptimizeMesh(gf, *m, -2);
+      OptimizeMesh(gf, *m, -2,&recover_map);
 
       if (gf->meshAttributes.recombine)
 	{
diff --git a/Mesh/meshGFaceDelaunayInsertion.cpp b/Mesh/meshGFaceDelaunayInsertion.cpp
index c8624ed87b..97c7b2cc75 100644
--- a/Mesh/meshGFaceDelaunayInsertion.cpp
+++ b/Mesh/meshGFaceDelaunayInsertion.cpp
@@ -1,4 +1,4 @@
-// $Id: meshGFaceDelaunayInsertion.cpp,v 1.8 2008-01-17 17:48:39 remacle Exp $
+// $Id: meshGFaceDelaunayInsertion.cpp,v 1.9 2008-01-22 17:24:29 remacle Exp $
 //
 // Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
 //
@@ -43,23 +43,14 @@ bool circumCenterMetricInTriangle ( MTriangle *base,
   return invMapUV(base,x,Us,Vs,uv,1.e-8);
 }
 
-void circumCenterMetric ( MTriangle *base, 
+void circumCenterMetric ( double *pa, double *pb, double *pc,
 			  const double *metric,
-			  const std::vector<double> & Us,
-			  const std::vector<double> & Vs,
 			  double *x, double &Radius2) 
 {
   // d = (u2-u1) M (u2-u1) = u2 M u2 + u1 M u1 - 2 u2 M u1 
   double sys[2][2];
   double rhs[2];
 
-  double pa[2] = {Us[base->getVertex(0)->getNum()],
-		  Vs[base->getVertex(0)->getNum()]};
-  double pb[2] = {Us[base->getVertex(1)->getNum()],
-		  Vs[base->getVertex(1)->getNum()]};
-  double pc[2] = {Us[base->getVertex(2)->getNum()],
-		  Vs[base->getVertex(2)->getNum()]};
-
   const double a = metric[0];
   const double b = metric[1];
   const double d = metric[2];
@@ -86,6 +77,27 @@ void circumCenterMetric ( MTriangle *base,
     2. * (x[0] - pa[0]) * (x[1] - pa[1]) * b;
 }
 
+void circumCenterMetric ( MTriangle *base, 
+			  const double *metric,
+			  const std::vector<double> & Us,
+			  const std::vector<double> & Vs,
+			  double *x, double &Radius2) 
+{
+  // d = (u2-u1) M (u2-u1) = u2 M u2 + u1 M u1 - 2 u2 M u1 
+
+
+  double sys[2][2];
+  double rhs[2];
+  double pa[2] = {Us[base->getVertex(0)->getNum()],
+		  Vs[base->getVertex(0)->getNum()]};
+  double pb[2] = {Us[base->getVertex(1)->getNum()],
+		  Vs[base->getVertex(1)->getNum()]};
+  double pc[2] = {Us[base->getVertex(2)->getNum()],
+		  Vs[base->getVertex(2)->getNum()]};
+  circumCenterMetric ( pa,pb,pc,metric,x,Radius2);
+}
+
+
 void buildMetric ( GFace *gf , double *uv, double *metric){
   Pair<SVector3,SVector3> der = gf->firstDer(SPoint2(uv[0],uv[1]));
   metric[0] = dot(der.first(),der.first());
@@ -93,6 +105,21 @@ void buildMetric ( GFace *gf , double *uv, double *metric){
   metric[2] = dot(der.second(),der.second());
 } 
 
+int inCircumCircleAniso ( GFace *gf, double *p1, double *p2, double *p3, double *uv, double *metric) 
+{
+  double x[2],Radius2;
+  circumCenterMetric ( p1,p2,p3,metric, x,Radius2);
+  const double a = metric[0];
+  const double b = metric[1];
+  const double d = metric[2];
+  double d2 = (x[0] - uv[0]) * (x[0] - uv[0]) * a
+    + (x[1] - uv[1]) * (x[1] - uv[1]) * d
+    + 2. * (x[0] - uv[0]) * (x[1] - uv[1]) * b;
+  //  printf("%22.15E %22.15E %d\n",d2,Radius2,d2 < Radius2);
+  
+  return d2 < Radius2;  
+}
+
 
 int inCircumCircleAniso ( GFace *gf,
 			  MTriangle *base, 
@@ -104,6 +131,8 @@ int inCircumCircleAniso ( GFace *gf,
 
   double x[2],Radius2,metric[3];
 
+//   double pa[2] = {(Us[base->getVertex(0)->getNum()]+Us[base->getVertex(1)->getNum()]+Us[base->getVertex(2)->getNum()])/3.,
+//   		  (Vs[base->getVertex(0)->getNum()]+Vs[base->getVertex(1)->getNum()]+Vs[base->getVertex(2)->getNum()])/3.};
   double pa[2] = {(Us[base->getVertex(0)->getNum()]+Us[base->getVertex(1)->getNum()]+Us[base->getVertex(2)->getNum()])/3.,
   		  (Vs[base->getVertex(0)->getNum()]+Vs[base->getVertex(1)->getNum()]+Vs[base->getVertex(2)->getNum()])/3.};
   
@@ -120,11 +149,11 @@ int inCircumCircleAniso ( GFace *gf,
   const double b = metric[1];
   const double d = metric[2];
 
-
   double d2 = (x[0] - uv[0]) * (x[0] - uv[0]) * a
     + (x[1] - uv[1]) * (x[1] - uv[1]) * d
     + 2. * (x[0] - uv[0]) * (x[1] - uv[1]) * b;
   
+  //  printf("%22.15E %22.15E %d\n",d2,Radius2,d2 < Radius2);
   return d2 < Radius2;  
 }
 
@@ -223,6 +252,9 @@ void connectTriangles ( std::vector<MTri3*> & l)
 {
   connectTris(l.begin(),l.end());
 }
+void connectTriangles ( std::set<MTri3*,compareTri3Ptr> & l){
+  connectTris(l.begin(),l.end());
+}
 
 void recurFindCavity (std::list<edgeXface> & shell, 
 		      std::list<MTri3*> & cavity, 
@@ -488,42 +520,6 @@ bool insertVertex (GFace *gf,
     }
 }
 
-static void setLcsMax ( MTriangle *t, std::map<MVertex*,double> &vSizes)
-{
-  for (int i=0;i<3;i++)
-    {
-      for (int j=i+1;j<3;j++)
-	{
-	  MVertex *vi = t->getVertex(i);
-	  MVertex *vj = t->getVertex(j);
-	  vSizes[vi] = 1.e12;
-	  vSizes[vj] = 1.e12;
-	}
-    }
-}
-
-
-static void setLcs ( MTriangle *t, std::map<MVertex*,double> &vSizes)
-{
-  for (int i=0;i<3;i++)
-    {
-      for (int j=i+1;j<3;j++)
-	{
-	  MVertex *vi = t->getVertex(i);
-	  MVertex *vj = t->getVertex(j);
-
-	  double dx = vi->x()-vj->x();
-	  double dy = vi->y()-vj->y();
-	  double dz = vi->z()-vj->z();
-	  double l = sqrt(dx*dx+dy*dy+dz*dz);
-	  std::map<MVertex*,double>::iterator iti = vSizes.find(vi);	  
-	  std::map<MVertex*,double>::iterator itj = vSizes.find(vj);	  
-	  if (iti->second > l)iti->second = l;
-	  if (itj->second > l)itj->second = l;
-	}
-    }
-}
-
 void _printTris (char *name,    std::set<MTri3*,compareTri3Ptr>&AllTris, std::vector<double>&Us, std::vector<double>&Vs)
 {
   FILE *ff = fopen (name,"w");
@@ -555,44 +551,15 @@ void insertVerticesInFace (GFace *gf, BDS_Mesh *bds)
 {
 
   std::set<MTri3*,compareTri3Ptr> AllTris;
-  std::map<MVertex*,double> vSizesMap;
   std::vector<double> vSizes, vSizesBGM,Us,Vs;
 
-  for (unsigned int i=0;i<gf->triangles.size();i++)setLcsMax ( gf->triangles[i] , vSizesMap);
-
-  // compute edge sizes on the contour and propagate thos sizes inside the surface
-  for (unsigned int i=0;i<gf->triangles.size();i++)setLcs ( gf->triangles[i] , vSizesMap);
-
-  int NUM=0;
-  for (std::map<MVertex*,double>::iterator it = vSizesMap.begin();it!=vSizesMap.end();++it)
-    {
-      it->first->setNum(NUM++);      
-      vSizes.push_back(it->second); 
-      vSizesBGM.push_back(it->second); 
-      double u0,v0;
-      parametricCoordinates ( it->first, gf, u0, v0);
-      Us.push_back(u0);
-      Vs.push_back(v0);
-    }
-  for (unsigned int i=0;i<gf->triangles.size();i++)
-    {
-      double lc    = 0.3333333333*(vSizes [gf->triangles[i]->getVertex(0)->getNum()]+
-				   vSizes [gf->triangles[i]->getVertex(1)->getNum()]+
-				   vSizes [gf->triangles[i]->getVertex(2)->getNum()]);
-      AllTris.insert ( new MTri3 ( gf->triangles[i] ,lc ) );
-    }
 
-  gf->triangles.clear();
-  connectTris ( AllTris.begin(), AllTris.end() );      
-  Msg(DEBUG,"All %d tris were connected",AllTris.size());
+  buidMeshGenerationDataStructures (gf,AllTris,vSizes,vSizesBGM,Us,Vs);
 
   //  _printTris ("before.pos", AllTris, Us,Vs);
   int nbSwaps = edgeSwapPass(gf,AllTris,SWCR_DEL,Us,Vs,vSizes,vSizesBGM);
   //  _printTris ("after2.pos", AllTris, Us,Vs);
   Msg(DEBUG,"Delaunization of the initial mesh done (%d swaps)",nbSwaps);
-  
-
-  // here the classification should be done
 
   int ITER = 0;
 
@@ -618,10 +585,10 @@ void insertVerticesInFace (GFace *gf, BDS_Mesh *bds)
 			(Vs[base->getVertex(0)->getNum()]+Vs[base->getVertex(1)->getNum()]+Vs[base->getVertex(2)->getNum()])/3.};
 	buildMetric ( gf , pa, metric);
 	circumCenterMetric ( worst->tri(),metric,Us,Vs,center,r2); 
-	//    	  buildMetric ( gf , center, metric);
-	//    	  circumCenterMetric ( worst->tri(),metric,Us,Vs,center,r2); 
-	//    	  buildMetric ( gf , center, metric);
-	//    	  circumCenterMetric ( worst->tri(),metric,Us,Vs,center,r2); 
+// 	buildMetric ( gf , center, metric);
+// 	circumCenterMetric ( worst->tri(),metric,Us,Vs,center,r2); 
+// 	buildMetric ( gf , center, metric);
+// 	circumCenterMetric ( worst->tri(),metric,Us,Vs,center,r2); 
 	
 	// 	  printf("%g %g %g\n",metric[0],metric[1],metric[2]);
 	
@@ -637,7 +604,7 @@ void insertVerticesInFace (GFace *gf, BDS_Mesh *bds)
 	  //	      Msg(INFO,"Point is inside");
 	  GPoint p = gf->point (center[0],center[1]);
 	  MVertex *v = new MFaceVertex (p.x(),p.y(),p.z(),gf,center[0],center[1]);
-	  v->setNum(NUM++);
+	  v->setNum(Us.size());
 	  double lc1 = ((1.-uv[0]-uv[1]) * vSizes [worst->tri()->getVertex(0)->getNum()] + 
 			uv[0] * vSizes [worst->tri()->getVertex(1)->getNum()] + 
 			uv[1] * vSizes [worst->tri()->getVertex(2)->getNum()] ); 
@@ -693,18 +660,8 @@ void insertVerticesInFace (GFace *gf, BDS_Mesh *bds)
   //   char name[245];
   //   sprintf(name,"paramFinal%d.pos",gf->tag());
   //  _printTris (name, AllTris, Us,Vs);
-  //  _printTris ("yo.pos", AllTris, Us,Vs);
-  // optimize the mesh
-  
+  _printTris ("yo.pos", AllTris, Us,Vs);
+
+  transferDataStructure (gf,AllTris); 
   // fill new gmsh structures with triangles
-  while (1) {
-    if (AllTris.begin() == AllTris.end() ) break;
-    MTri3 *worst = *AllTris.begin();
-    if (worst->isDeleted())
-      delete worst->tri();
-    else
-      gf->triangles.push_back(worst->tri());
-    delete worst;
-    AllTris.erase(AllTris.begin());      
-  }
 }
diff --git a/Mesh/meshGFaceDelaunayInsertion.h b/Mesh/meshGFaceDelaunayInsertion.h
index 9c10c3f494..eb972f447f 100644
--- a/Mesh/meshGFaceDelaunayInsertion.h
+++ b/Mesh/meshGFaceDelaunayInsertion.h
@@ -31,6 +31,8 @@ class BDS_Mesh;
 class BDS_Point;
 
 void buildMetric ( GFace *gf , double *uv, double *metric);
+int inCircumCircleAniso ( GFace *gf, double *p1, double *p2, double *p3, double *p4, 
+			  double *metric);
 int inCircumCircleAniso ( GFace *gf, MTriangle *base, const double *uv , const double *metric,
 			  const std::vector<double> & Us, const std::vector<double> & Vs); 
 void circumCenterMetric ( MTriangle *base, 
@@ -97,10 +99,6 @@ class MTri3
 
 };
 
-void connectTriangles ( std::list<MTri3*> & );
-void connectTriangles ( std::vector<MTri3*> & );
-void insertVerticesInFace (GFace *gf, BDS_Mesh *);
-
 class compareTri3Ptr
 {
  public:
@@ -113,6 +111,12 @@ class compareTri3Ptr
 };
 
 
+
+void connectTriangles ( std::list<MTri3*> & );
+void connectTriangles ( std::vector<MTri3*> & );
+void connectTriangles ( std::set<MTri3*,compareTri3Ptr> &AllTris);
+void insertVerticesInFace (GFace *gf, BDS_Mesh *);
+
 struct edgeXface
 {
   MVertex *v[2];
diff --git a/Mesh/meshGFaceOptimize.cpp b/Mesh/meshGFaceOptimize.cpp
index cebd0c94f9..e5efa33b2f 100644
--- a/Mesh/meshGFaceOptimize.cpp
+++ b/Mesh/meshGFaceOptimize.cpp
@@ -6,6 +6,88 @@
 #include "MVertex.h"
 #include "MElement.h"
 #include "BackgroundMesh.h"
+static void setLcsMax ( MTriangle *t, std::map<MVertex*,double> &vSizes)
+{
+  for (int i=0;i<3;i++)
+    {
+      for (int j=i+1;j<3;j++)
+	{
+	  MVertex *vi = t->getVertex(i);
+	  MVertex *vj = t->getVertex(j);
+	  vSizes[vi] = 1.e12;
+	  vSizes[vj] = 1.e12;
+	}
+    }
+}
+
+
+static void setLcs ( MTriangle *t, std::map<MVertex*,double> &vSizes)
+{
+  for (int i=0;i<3;i++)
+    {
+      for (int j=i+1;j<3;j++)
+	{
+	  MVertex *vi = t->getVertex(i);
+	  MVertex *vj = t->getVertex(j);
+
+	  double dx = vi->x()-vj->x();
+	  double dy = vi->y()-vj->y();
+	  double dz = vi->z()-vj->z();
+	  double l = sqrt(dx*dx+dy*dy+dz*dz);
+	  std::map<MVertex*,double>::iterator iti = vSizes.find(vi);	  
+	  std::map<MVertex*,double>::iterator itj = vSizes.find(vj);	  
+	  if (iti->second > l)iti->second = l;
+	  if (itj->second > l)itj->second = l;
+	}
+    }
+}
+
+
+void buidMeshGenerationDataStructures (GFace *gf, std::set<MTri3*,compareTri3Ptr> &AllTris,
+				       std::vector<double> & vSizes,
+				       std::vector<double> & vSizesBGM,
+				       std::vector<double> & Us,
+				       std::vector<double> & Vs ){
+  
+  std::map<MVertex*,double> vSizesMap;
+  for (unsigned int i=0;i<gf->triangles.size();i++)setLcsMax ( gf->triangles[i] , vSizesMap);
+  for (unsigned int i=0;i<gf->triangles.size();i++)setLcs    ( gf->triangles[i] , vSizesMap);
+  int NUM=0;
+  for (std::map<MVertex*,double>::iterator it = vSizesMap.begin();it!=vSizesMap.end();++it)
+    {
+      it->first->setNum(NUM++);      
+      vSizes.push_back(it->second); 
+      vSizesBGM.push_back(it->second); 
+      double u0,v0;
+      parametricCoordinates ( it->first, gf, u0, v0);
+      Us.push_back(u0);
+      Vs.push_back(v0);
+    }
+  for (unsigned int i=0;i<gf->triangles.size();i++)
+    {
+      double lc    = 0.3333333333*(vSizes [gf->triangles[i]->getVertex(0)->getNum()]+
+				   vSizes [gf->triangles[i]->getVertex(1)->getNum()]+
+				   vSizes [gf->triangles[i]->getVertex(2)->getNum()]);
+      AllTris.insert ( new MTri3 ( gf->triangles[i] ,lc ) );
+    }
+  gf->triangles.clear();
+  connectTriangles ( AllTris );      
+  //  Msg(DEBUG,"All %d tris were connected",AllTris.size());
+}
+
+void transferDataStructure (GFace *gf,std::set<MTri3*,compareTri3Ptr> &AllTris){
+  while (1) {
+    if (AllTris.begin() == AllTris.end() ) break;
+    MTri3 *worst = *AllTris.begin();
+    if (worst->isDeleted())
+      delete worst->tri();
+    else
+      gf->triangles.push_back(worst->tri());
+    delete worst;
+    AllTris.erase(AllTris.begin());      
+  }
+}
+
 
 void buildVertexToTriangle ( std::vector<MTriangle*> &triangles,  v2t_cont &adj )
 {
@@ -127,26 +209,6 @@ double surfaceTriangleUV (MVertex *v1, MVertex *v2, MVertex *v3,
   return 0.5*fabs (v12[0]*v13[1]-v12[1]*v13[0]);
 }
 
-struct swapquad{
-  int v[4];
-  bool operator < (const swapquad &o) const{
-    if (v[0] < o.v[0])return true;
-    if (v[0] > o.v[0])return false;
-    if (v[1] < o.v[1])return true;
-    if (v[1] > o.v[1])return false;
-    if (v[2] < o.v[2])return true;
-    if (v[2] > o.v[2])return false;
-    if (v[3] < o.v[3])return true;
-    return false;
-  }
-  swapquad(MVertex *v1,MVertex *v2,MVertex *v3,MVertex *v4){
-    v[0] = v1->getNum();
-    v[1] = v2->getNum();
-    v[2] = v3->getNum();
-    v[3] = v4->getNum();
-    std::sort(v,v+4);
-  }
-};
 
 bool gmshEdgeSwap(std::set<swapquad> & configs,
 		  MTri3 *t1, 
@@ -630,6 +692,7 @@ int edgeSwapPass (GFace *gf, std::set<MTri3*,compareTri3Ptr> &allTris,
 	CONTAINER::iterator itb = it;
 	++it;
 	allTris.erase(itb);
+	if (it == allTris.end())break;
       }
     }
     allTris.insert(newTris.begin(),newTris.end());
diff --git a/Mesh/meshGFaceOptimize.h b/Mesh/meshGFaceOptimize.h
index f425882099..c0b35f2fc3 100644
--- a/Mesh/meshGFaceOptimize.h
+++ b/Mesh/meshGFaceOptimize.h
@@ -42,29 +42,6 @@ int edgeSwapPass (GFace *gf, std::set<MTri3*,compareTri3Ptr> &allTris,
 		  const std::vector<double> & Vs,
 		  const std::vector<double> & vSizes ,
 		  const std::vector<double> & vSizesBGM);
-
-
-bool gmshEdgeSwap(MTri3 *t1, 
-		  GFace *gf,
-		  int iLocalEdge,
-		  std::vector<MTri3*> &newTris,
-		  const gmshSwapCriterion &cr,		   
-		  const std::vector<double> & Us,
-		  const std::vector<double> & Vs,
-		  const std::vector<double> & vSizes,
-		  const std::vector<double> & vSizesBGM);
-
-bool gmshEdgeSplit(const double lMax,
-		   MTri3 *t1, 
-		   GFace *gf,
-		   int iLocalEdge,
-		   std::vector<MTri3*> &newTris,
-		   const gmshSplitCriterion &cr,		   
-		   std::vector<double> & Us,
-		   std::vector<double> & Vs,
-		   std::vector<double> & vSizes,
-		   std::vector<double> & vSizesBGM);
-
 int edgeSplitPass (double maxLC,
 		   GFace *gf, std::set<MTri3*,compareTri3Ptr> &allTris,
 		   const gmshSplitCriterion &cr,		   
@@ -78,5 +55,40 @@ int edgeCollapsePass (double minLC,
 		      std::vector<double> & Us ,
 		      std::vector<double> & Vs,
 		      std::vector<double> & vSizes ,
-		      std::vector<double> & vSizesBGM);
+ 		      std::vector<double> & vSizesBGM);
+void buidMeshGenerationDataStructures (GFace *gf, std::set<MTri3*,compareTri3Ptr> &AllTris,
+				       std::vector<double> & vSizes,
+				       std::vector<double> & vSizesBGM,
+				       std::vector<double> & Us,
+				       std::vector<double> & Vs );
+void transferDataStructure (GFace *gf,std::set<MTri3*,compareTri3Ptr> &AllTris);
+
+struct swapquad{
+  int v[4];
+  bool operator < (const swapquad &o) const{
+    if (v[0] < o.v[0])return true;
+    if (v[0] > o.v[0])return false;
+    if (v[1] < o.v[1])return true;
+    if (v[1] > o.v[1])return false;
+    if (v[2] < o.v[2])return true;
+    if (v[2] > o.v[2])return false;
+    if (v[3] < o.v[3])return true;
+    return false;
+  }
+  swapquad(MVertex *v1,MVertex *v2,MVertex *v3,MVertex *v4){
+    v[0] = v1->getNum();
+    v[1] = v2->getNum();
+    v[2] = v3->getNum();
+    v[3] = v4->getNum();
+    std::sort(v,v+4);
+  }
+  swapquad(int v1, int v2, int v3, int v4){
+    v[0] = v1;
+    v[1] = v2;
+    v[2] = v3;
+    v[3] = v4;
+    std::sort(v,v+4);
+  }
+};
+
 #endif
diff --git a/configure b/configure
index a0ceb73746..a37725e1ab 100755
--- a/configure
+++ b/configure
@@ -1,54 +1,25 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.61.
+# Generated by GNU Autoconf 2.59.
 #
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2003 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
 ## --------------------- ##
 ## M4sh Initialization.  ##
 ## --------------------- ##
 
-# Be more Bourne compatible
-DUALCASE=1; export DUALCASE # for MKS sh
+# Be Bourne compatible
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
   # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
-fi
-
-
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
-  else
-    PATH_SEPARATOR=:
-  fi
-  rm -f conf$$.sh
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+  set -o posix
 fi
+DUALCASE=1; export DUALCASE # for MKS sh
 
 # Support unset when possible.
 if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
@@ -58,43 +29,8 @@ else
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-as_nl='
-'
-IFS=" ""	$as_nl"
-
-# Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
-  *[\\/]* ) as_myself=$0 ;;
-  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
-IFS=$as_save_IFS
-
-     ;;
-esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
-# in which case we are not to be found in the path.
-if test "x$as_myself" = x; then
-  as_myself=$0
-fi
-if test ! -f "$as_myself"; then
-  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
-fi
-
 # Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-done
+$as_unset ENV MAIL MAILPATH
 PS1='$ '
 PS2='> '
 PS4='+ '
@@ -108,19 +44,18 @@ do
   if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
     eval $as_var=C; export $as_var
   else
-    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+    $as_unset $as_var
   fi
 done
 
 # Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+if expr a : '\(a\)' >/dev/null 2>&1; then
   as_expr=expr
 else
   as_expr=false
 fi
 
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
   as_basename=basename
 else
   as_basename=false
@@ -128,388 +63,157 @@ fi
 
 
 # Name of the executable.
-as_me=`$as_basename -- "$0" ||
+as_me=`$as_basename "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+	 X"$0" : 'X\(/\)$' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-# CDPATH.
-$as_unset CDPATH
-
+    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
+  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\/\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
 
-if test "x$CONFIG_SHELL" = x; then
-  if (eval ":") 2>/dev/null; then
-  as_have_required=yes
-else
-  as_have_required=no
-fi
-
-  if test $as_have_required = yes && 	 (eval ":
-(as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
 
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
+# PATH needs CR, and LINENO needs CR and PATH.
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
 fi
 
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
 
-test \$exitcode = 0) || { (exit 1); exit 1; }
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
+  # Find who we are.  Look in the path if we contain no path at all
+  # relative or not.
+  case $0 in
+    *[\\/]* ) as_myself=$0 ;;
+    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
 
-(
-  as_lineno_1=\$LINENO
-  as_lineno_2=\$LINENO
-  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
-  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
-") 2> /dev/null; then
-  :
-else
-  as_candidate_shells=
+       ;;
+  esac
+  # We did not find ourselves, most probably we were run as `sh COMMAND'
+  # in which case we are not to be found in the path.
+  if test "x$as_myself" = x; then
+    as_myself=$0
+  fi
+  if test ! -f "$as_myself"; then
+    { echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2
+   { (exit 1); exit 1; }; }
+  fi
+  case $CONFIG_SHELL in
+  '')
     as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  case $as_dir in
+  for as_base in sh bash ksh sh5; do
+	 case $as_dir in
 	 /*)
-	   for as_base in sh bash ksh sh5; do
-	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
-	   done;;
-       esac
-done
-IFS=$as_save_IFS
-
-
-      for as_shell in $as_candidate_shells $SHELL; do
-	 # Try only shells that exist, to save several forks.
-	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		{ ("$as_shell") 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
-fi
-
-
-:
-_ASEOF
-}; then
-  CONFIG_SHELL=$as_shell
-	       as_have_required=yes
-	       if { "$as_shell" 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
-fi
-
-
-:
-(as_func_return () {
-  (exit $1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = "$1" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test $exitcode = 0) || { (exit 1); exit 1; }
-
-(
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
-
-_ASEOF
-}; then
-  break
-fi
-
-fi
-
-      done
-
-      if test "x$CONFIG_SHELL" != x; then
-  for as_var in BASH_ENV ENV
-        do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-        done
-        export CONFIG_SHELL
-        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
-fi
-
-
-    if test $as_have_required = no; then
-  echo This script requires a shell more modern than all the
-      echo shells that I found on your system.  Please install a
-      echo modern shell, or manually run the script under such a
-      echo shell if you do have one.
-      { (exit 1); exit 1; }
-fi
-
-
-fi
-
-fi
-
-
-
-(eval "as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test \$exitcode = 0") || {
-  echo No shell found that supports shell functions.
-  echo Please tell autoconf@gnu.org about your system,
-  echo including any error possibly output before this
-  echo message
-}
-
-
-
+	   if ("$as_dir/$as_base" -c '
   as_lineno_1=$LINENO
   as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
   test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
+	     $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
+	     $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
+	     CONFIG_SHELL=$as_dir/$as_base
+	     export CONFIG_SHELL
+	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
+	   fi;;
+	 esac
+       done
+done
+;;
+  esac
 
   # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
   # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
+  # line-number line before each line; the second 'sed' does the real
+  # work.  The second script uses 'N' to pair each line-number line
+  # with the numbered line, and appends trailing '-' during
+  # substitution so that $LINENO is not a special case at line end.
   # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
+  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
+  sed '=' <$as_myself |
     sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
       N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      s,$,-,
+      : loop
+      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
       t loop
-      s/-\n.*//
+      s,-$,,
+      s,^['$as_cr_digits']*\n,,
     ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
+  chmod +x $as_me.lineno ||
     { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
    { (exit 1); exit 1; }; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
+  # original and so on.  Autoconf is especially sensible to this).
+  . ./$as_me.lineno
   # Exit status is that of the last command.
   exit
 }
 
 
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
-ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
--n*)
-  case `echo 'x\c'` in
-  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
-  esac;;
-*)
-  ECHO_N='-n';;
+case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
+  *c*,-n*) ECHO_N= ECHO_C='
+' ECHO_T='	' ;;
+  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
+  *)       ECHO_N= ECHO_C='\c' ECHO_T= ;;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+if expr a : '\(a\)' >/dev/null 2>&1; then
   as_expr=expr
 else
   as_expr=false
 fi
 
 rm -f conf$$ conf$$.exe conf$$.file
-if test -d conf$$.dir; then
-  rm -f conf$$.dir/conf$$.file
-else
-  rm -f conf$$.dir
-  mkdir conf$$.dir
-fi
 echo >conf$$.file
 if ln -s conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s='ln -s'
-  # ... but there are two gotchas:
-  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-  # In both cases, we have to default to `cp -p'.
-  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+  # We could just check for DJGPP; but this test a) works b) is more generic
+  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
+  if test -f conf$$.exe; then
+    # Don't use ln at all; we don't have any links
     as_ln_s='cp -p'
+  else
+    as_ln_s='ln -s'
+  fi
 elif ln conf$$.file conf$$ 2>/dev/null; then
   as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
-rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
-rmdir conf$$.dir 2>/dev/null
+rm -f conf$$ conf$$.exe conf$$.file
 
 if mkdir -p . 2>/dev/null; then
   as_mkdir_p=:
@@ -518,28 +222,7 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-        test -d "$1/.";
-      else
-	case $1 in
-        -*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+as_executable_p="test -f"
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -548,27 +231,39 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
+# IFS
+# We need space, tab and new line, in precisely that order.
+as_nl='
+'
+IFS=" 	$as_nl"
+
+# CDPATH.
+$as_unset CDPATH
 
-exec 7<&0 </dev/null 6>&1
 
 # Name of the host.
 # hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
+exec 6>&1
+
 #
 # Initializations.
 #
 ac_default_prefix=/usr/local
-ac_clean_files=
 ac_config_libobj_dir=.
-LIBOBJS=
 cross_compiling=no
 subdirs=
 MFLAGS=
 MAKEFLAGS=
 SHELL=${CONFIG_SHELL-/bin/sh}
 
+# Maximum number of lines to put in a shell here document.
+# This variable seems obsolete.  It should probably be removed, and
+# only ac_max_sed_lines should be used.
+: ${ac_max_here_lines=38}
+
 # Identity of this package.
 PACKAGE_NAME=
 PACKAGE_TARNAME=
@@ -580,122 +275,42 @@ ac_unique_file="Parser/Gmsh.y"
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
-#ifdef HAVE_SYS_TYPES_H
+#if HAVE_SYS_TYPES_H
 # include <sys/types.h>
 #endif
-#ifdef HAVE_SYS_STAT_H
+#if HAVE_SYS_STAT_H
 # include <sys/stat.h>
 #endif
-#ifdef STDC_HEADERS
+#if STDC_HEADERS
 # include <stdlib.h>
 # include <stddef.h>
 #else
-# ifdef HAVE_STDLIB_H
+# if HAVE_STDLIB_H
 #  include <stdlib.h>
 # endif
 #endif
-#ifdef HAVE_STRING_H
-# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#if HAVE_STRING_H
+# if !STDC_HEADERS && HAVE_MEMORY_H
 #  include <memory.h>
 # endif
 # include <string.h>
 #endif
-#ifdef HAVE_STRINGS_H
+#if HAVE_STRINGS_H
 # include <strings.h>
 #endif
-#ifdef HAVE_INTTYPES_H
+#if HAVE_INTTYPES_H
 # include <inttypes.h>
+#else
+# if HAVE_STDINT_H
+#  include <stdint.h>
+# endif
 #endif
-#ifdef HAVE_STDINT_H
-# include <stdint.h>
-#endif
-#ifdef HAVE_UNISTD_H
+#if HAVE_UNISTD_H
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL
-PATH_SEPARATOR
-PACKAGE_NAME
-PACKAGE_TARNAME
-PACKAGE_VERSION
-PACKAGE_STRING
-PACKAGE_BUGREPORT
-exec_prefix
-prefix
-program_transform_name
-bindir
-sbindir
-libexecdir
-datarootdir
-datadir
-sysconfdir
-sharedstatedir
-localstatedir
-includedir
-oldincludedir
-docdir
-infodir
-htmldir
-dvidir
-pdfdir
-psdir
-libdir
-localedir
-mandir
-DEFS
-ECHO_C
-ECHO_N
-ECHO_T
-LIBS
-build_alias
-host_alias
-target_alias
-CC
-CFLAGS
-LDFLAGS
-CPPFLAGS
-ac_ct_CC
-EXEEXT
-OBJEXT
-CXX
-CXXFLAGS
-ac_ct_CXX
-CPP
-RANLIB
-AR
-FLTKCONFIG
-F77
-FFLAGS
-ac_ct_F77
-CXXCPP
-GREP
-EGREP
-UNAME
-HOSTNAME
-FLAGS
-OPTIM
-LINKER
-GMSH_DIRS
-GMSH_LIBS
-LIBOBJS
-LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX CPP RANLIB ac_ct_RANLIB AR FLTKCONFIG F77 FFLAGS ac_ct_F77 CXXCPP EGREP UNAME HOSTNAME FLAGS OPTIM LINKER GMSH_DIRS GMSH_LIBS POSTBUILD LIBOBJS LTLIBOBJS'
 ac_subst_files=''
-      ac_precious_vars='build_alias
-host_alias
-target_alias
-CC
-CFLAGS
-LDFLAGS
-LIBS
-CPPFLAGS
-CXX
-CXXFLAGS
-CCC
-CPP
-F77
-FFLAGS
-CXXCPP'
-
 
 # Initialize some variables set by options.
 ac_init_help=
@@ -722,48 +337,34 @@ x_libraries=NONE
 # and all the variables that are supposed to be based on exec_prefix
 # by default will actually change.
 # Use braces instead of parens because sh, perl, etc. also accept them.
-# (The list follows the same order as the GNU Coding Standards.)
 bindir='${exec_prefix}/bin'
 sbindir='${exec_prefix}/sbin'
 libexecdir='${exec_prefix}/libexec'
-datarootdir='${prefix}/share'
-datadir='${datarootdir}'
+datadir='${prefix}/share'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+libdir='${exec_prefix}/lib'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
-docdir='${datarootdir}/doc/${PACKAGE}'
-infodir='${datarootdir}/info'
-htmldir='${docdir}'
-dvidir='${docdir}'
-pdfdir='${docdir}'
-psdir='${docdir}'
-libdir='${exec_prefix}/lib'
-localedir='${datarootdir}/locale'
-mandir='${datarootdir}/man'
+infodir='${prefix}/info'
+mandir='${prefix}/man'
 
 ac_prev=
-ac_dashdash=
 for ac_option
 do
   # If the previous option needs an argument, assign it.
   if test -n "$ac_prev"; then
-    eval $ac_prev=\$ac_option
+    eval "$ac_prev=\$ac_option"
     ac_prev=
     continue
   fi
 
-  case $ac_option in
-  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *)	ac_optarg=yes ;;
-  esac
+  ac_optarg=`expr "x$ac_option" : 'x[^=]*=\(.*\)'`
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
 
-  case $ac_dashdash$ac_option in
-  --)
-    ac_dashdash=yes ;;
+  case $ac_option in
 
   -bindir | --bindir | --bindi | --bind | --bin | --bi)
     ac_prev=bindir ;;
@@ -785,45 +386,33 @@ do
   --config-cache | -C)
     cache_file=config.cache ;;
 
-  -datadir | --datadir | --datadi | --datad)
+  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
     ac_prev=datadir ;;
-  -datadir=* | --datadir=* | --datadi=* | --datad=*)
+  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
+  | --da=*)
     datadir=$ac_optarg ;;
 
-  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
-  | --dataroo | --dataro | --datar)
-    ac_prev=datarootdir ;;
-  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
-  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
-    datarootdir=$ac_optarg ;;
-
   -disable-* | --disable-*)
     ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+    expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
-    eval enable_$ac_feature=no ;;
-
-  -docdir | --docdir | --docdi | --doc | --do)
-    ac_prev=docdir ;;
-  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
-    docdir=$ac_optarg ;;
-
-  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
-    ac_prev=dvidir ;;
-  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
-    dvidir=$ac_optarg ;;
+    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+    eval "enable_$ac_feature=no" ;;
 
   -enable-* | --enable-*)
     ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+    expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
-    eval enable_$ac_feature=\$ac_optarg ;;
+    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+    case $ac_option in
+      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
+      *) ac_optarg=yes ;;
+    esac
+    eval "enable_$ac_feature='$ac_optarg'" ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -850,12 +439,6 @@ do
   -host=* | --host=* | --hos=* | --ho=*)
     host_alias=$ac_optarg ;;
 
-  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
-    ac_prev=htmldir ;;
-  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
-  | --ht=*)
-    htmldir=$ac_optarg ;;
-
   -includedir | --includedir | --includedi | --included | --include \
   | --includ | --inclu | --incl | --inc)
     ac_prev=includedir ;;
@@ -880,16 +463,13 @@ do
   | --libexe=* | --libex=* | --libe=*)
     libexecdir=$ac_optarg ;;
 
-  -localedir | --localedir | --localedi | --localed | --locale)
-    ac_prev=localedir ;;
-  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
-    localedir=$ac_optarg ;;
-
   -localstatedir | --localstatedir | --localstatedi | --localstated \
-  | --localstate | --localstat | --localsta | --localst | --locals)
+  | --localstate | --localstat | --localsta | --localst \
+  | --locals | --local | --loca | --loc | --lo)
     ac_prev=localstatedir ;;
   -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
-  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
+  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
     localstatedir=$ac_optarg ;;
 
   -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
@@ -954,16 +534,6 @@ do
   | --progr-tra=* | --program-tr=* | --program-t=*)
     program_transform_name=$ac_optarg ;;
 
-  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
-    ac_prev=pdfdir ;;
-  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
-    pdfdir=$ac_optarg ;;
-
-  -psdir | --psdir | --psdi | --psd | --ps)
-    ac_prev=psdir ;;
-  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
-    psdir=$ac_optarg ;;
-
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
@@ -1016,20 +586,24 @@ do
   -with-* | --with-*)
     ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+    expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
-    eval with_$ac_package=\$ac_optarg ;;
+    ac_package=`echo $ac_package| sed 's/-/_/g'`
+    case $ac_option in
+      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
+      *) ac_optarg=yes ;;
+    esac
+    eval "with_$ac_package='$ac_optarg'" ;;
 
   -without-* | --without-*)
     ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+    expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
-    eval with_$ac_package=no ;;
+    ac_package=`echo $ac_package | sed 's/-/_/g'`
+    eval "with_$ac_package=no" ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -1060,7 +634,8 @@ Try \`$0 --help' for more information." >&2
     expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
    { (exit 1); exit 1; }; }
-    eval $ac_envvar=\$ac_optarg
+    ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
+    eval "$ac_envvar='$ac_optarg'"
     export $ac_envvar ;;
 
   *)
@@ -1080,19 +655,27 @@ if test -n "$ac_prev"; then
    { (exit 1); exit 1; }; }
 fi
 
-# Be sure to have absolute directory names.
-for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
-		datadir sysconfdir sharedstatedir localstatedir includedir \
-		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+# Be sure to have absolute paths.
+for ac_var in exec_prefix prefix
 do
-  eval ac_val=\$$ac_var
+  eval ac_val=$`echo $ac_var`
   case $ac_val in
-    [\\/$]* | ?:[\\/]* )  continue;;
-    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+    [\\/$]* | ?:[\\/]* | NONE | '' ) ;;
+    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; };;
+  esac
+done
+
+# Be sure to have absolute paths.
+for ac_var in bindir sbindir libexecdir datadir sysconfdir sharedstatedir \
+	      localstatedir libdir includedir oldincludedir infodir mandir
+do
+  eval ac_val=$`echo $ac_var`
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* ) ;;
+    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; };;
   esac
-  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; }
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1119,76 +702,94 @@ test -n "$host_alias" && ac_tool_prefix=$host_alias-
 test "$silent" = yes && exec 6>/dev/null
 
 
-ac_pwd=`pwd` && test -n "$ac_pwd" &&
-ac_ls_di=`ls -di .` &&
-ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  { echo "$as_me: error: Working directory cannot be determined" >&2
-   { (exit 1); exit 1; }; }
-test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  { echo "$as_me: error: pwd does not report name of working directory" >&2
-   { (exit 1); exit 1; }; }
-
-
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then
   ac_srcdir_defaulted=yes
-  # Try the directory containing this script, then the parent directory.
-  ac_confdir=`$as_dirname -- "$0" ||
+  # Try the directory containing this script, then its parent.
+  ac_confdir=`(dirname "$0") 2>/dev/null ||
 $as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$0" : 'X\(//\)[^/]' \| \
 	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+	 X"$0" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$0" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+  	  /^X\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
   srcdir=$ac_confdir
-  if test ! -r "$srcdir/$ac_unique_file"; then
+  if test ! -r $srcdir/$ac_unique_file; then
     srcdir=..
   fi
 else
   ac_srcdir_defaulted=no
 fi
-if test ! -r "$srcdir/$ac_unique_file"; then
-  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+if test ! -r $srcdir/$ac_unique_file; then
+  if test "$ac_srcdir_defaulted" = yes; then
+    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $ac_confdir or .." >&2
    { (exit 1); exit 1; }; }
-fi
-ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
-ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || { echo "$as_me: error: $ac_msg" >&2
+  else
+    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
    { (exit 1); exit 1; }; }
-	pwd)`
-# When building in place, set srcdir=.
-if test "$ac_abs_confdir" = "$ac_pwd"; then
-  srcdir=.
-fi
-# Remove unnecessary trailing slashes from srcdir.
-# Double slashes in file names in object file debugging info
-# mess up M-x gdb in Emacs.
-case $srcdir in
-*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
-esac
-for ac_var in $ac_precious_vars; do
-  eval ac_env_${ac_var}_set=\${${ac_var}+set}
-  eval ac_env_${ac_var}_value=\$${ac_var}
-  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
-  eval ac_cv_env_${ac_var}_value=\$${ac_var}
-done
+  fi
+fi
+(cd $srcdir && test -r ./$ac_unique_file) 2>/dev/null ||
+  { echo "$as_me: error: sources are in $srcdir, but \`cd $srcdir' does not work" >&2
+   { (exit 1); exit 1; }; }
+srcdir=`echo "$srcdir" | sed 's%\([^\\/]\)[\\/]*$%\1%'`
+ac_env_build_alias_set=${build_alias+set}
+ac_env_build_alias_value=$build_alias
+ac_cv_env_build_alias_set=${build_alias+set}
+ac_cv_env_build_alias_value=$build_alias
+ac_env_host_alias_set=${host_alias+set}
+ac_env_host_alias_value=$host_alias
+ac_cv_env_host_alias_set=${host_alias+set}
+ac_cv_env_host_alias_value=$host_alias
+ac_env_target_alias_set=${target_alias+set}
+ac_env_target_alias_value=$target_alias
+ac_cv_env_target_alias_set=${target_alias+set}
+ac_cv_env_target_alias_value=$target_alias
+ac_env_CC_set=${CC+set}
+ac_env_CC_value=$CC
+ac_cv_env_CC_set=${CC+set}
+ac_cv_env_CC_value=$CC
+ac_env_CFLAGS_set=${CFLAGS+set}
+ac_env_CFLAGS_value=$CFLAGS
+ac_cv_env_CFLAGS_set=${CFLAGS+set}
+ac_cv_env_CFLAGS_value=$CFLAGS
+ac_env_LDFLAGS_set=${LDFLAGS+set}
+ac_env_LDFLAGS_value=$LDFLAGS
+ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
+ac_cv_env_LDFLAGS_value=$LDFLAGS
+ac_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_env_CPPFLAGS_value=$CPPFLAGS
+ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_cv_env_CPPFLAGS_value=$CPPFLAGS
+ac_env_CXX_set=${CXX+set}
+ac_env_CXX_value=$CXX
+ac_cv_env_CXX_set=${CXX+set}
+ac_cv_env_CXX_value=$CXX
+ac_env_CXXFLAGS_set=${CXXFLAGS+set}
+ac_env_CXXFLAGS_value=$CXXFLAGS
+ac_cv_env_CXXFLAGS_set=${CXXFLAGS+set}
+ac_cv_env_CXXFLAGS_value=$CXXFLAGS
+ac_env_CPP_set=${CPP+set}
+ac_env_CPP_value=$CPP
+ac_cv_env_CPP_set=${CPP+set}
+ac_cv_env_CPP_value=$CPP
+ac_env_F77_set=${F77+set}
+ac_env_F77_value=$F77
+ac_cv_env_F77_set=${F77+set}
+ac_cv_env_F77_value=$F77
+ac_env_FFLAGS_set=${FFLAGS+set}
+ac_env_FFLAGS_value=$FFLAGS
+ac_cv_env_FFLAGS_set=${FFLAGS+set}
+ac_cv_env_FFLAGS_value=$FFLAGS
+ac_env_CXXCPP_set=${CXXCPP+set}
+ac_env_CXXCPP_value=$CXXCPP
+ac_cv_env_CXXCPP_set=${CXXCPP+set}
+ac_cv_env_CXXCPP_value=$CXXCPP
 
 #
 # Report the --help message.
@@ -1217,6 +818,9 @@ Configuration:
   -n, --no-create         do not create output files
       --srcdir=DIR        find the sources in DIR [configure dir or \`..']
 
+_ACEOF
+
+  cat <<_ACEOF
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
 			  [$ac_default_prefix]
@@ -1234,22 +838,15 @@ Fine tuning of the installation directories:
   --bindir=DIR           user executables [EPREFIX/bin]
   --sbindir=DIR          system admin executables [EPREFIX/sbin]
   --libexecdir=DIR       program executables [EPREFIX/libexec]
+  --datadir=DIR          read-only architecture-independent data [PREFIX/share]
   --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR    modifiable single-machine data [PREFIX/var]
   --libdir=DIR           object code libraries [EPREFIX/lib]
   --includedir=DIR       C header files [PREFIX/include]
   --oldincludedir=DIR    C header files for non-gcc [/usr/include]
-  --datarootdir=DIR      read-only arch.-independent data root [PREFIX/share]
-  --datadir=DIR          read-only architecture-independent data [DATAROOTDIR]
-  --infodir=DIR          info documentation [DATAROOTDIR/info]
-  --localedir=DIR        locale-dependent data [DATAROOTDIR/locale]
-  --mandir=DIR           man documentation [DATAROOTDIR/man]
-  --docdir=DIR           documentation root [DATAROOTDIR/doc/PACKAGE]
-  --htmldir=DIR          html documentation [DOCDIR]
-  --dvidir=DIR           dvi documentation [DOCDIR]
-  --pdfdir=DIR           pdf documentation [DOCDIR]
-  --psdir=DIR            ps documentation [DOCDIR]
+  --infodir=DIR          info documentation [PREFIX/info]
+  --mandir=DIR           man documentation [PREFIX/man]
 _ACEOF
 
   cat <<\_ACEOF
@@ -1314,9 +911,8 @@ Some influential environment variables:
   CFLAGS      C compiler flags
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
-  LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
-              you have headers in a nonstandard directory <include dir>
+  CPPFLAGS    C/C++ preprocessor flags, e.g. -I<include dir> if you have
+              headers in a nonstandard directory <include dir>
   CXX         C++ compiler command
   CXXFLAGS    C++ compiler flags
   CPP         C preprocessor
@@ -1328,86 +924,118 @@ Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
 _ACEOF
-ac_status=$?
 fi
 
 if test "$ac_init_help" = "recursive"; then
   # If there are subdirs, report their specific --help.
+  ac_popdir=`pwd`
   for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
-    test -d "$ac_dir" || continue
+    test -d $ac_dir || continue
     ac_builddir=.
 
-case "$ac_dir" in
-.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
-*)
+if test "$ac_dir" != .; then
   ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-  # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
-  case $ac_top_builddir_sub in
-  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
-  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
-  esac ;;
-esac
-ac_abs_top_builddir=$ac_pwd
-ac_abs_builddir=$ac_pwd$ac_dir_suffix
-# for backward compatibility:
-ac_top_builddir=$ac_top_build_prefix
+  # A "../" for each directory in $ac_dir_suffix.
+  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
+else
+  ac_dir_suffix= ac_top_builddir=
+fi
 
 case $srcdir in
-  .)  # We are building in place.
+  .)  # No --srcdir option.  We are building in place.
     ac_srcdir=.
-    ac_top_srcdir=$ac_top_builddir_sub
-    ac_abs_top_srcdir=$ac_pwd ;;
-  [\\/]* | ?:[\\/]* )  # Absolute name.
+    if test -z "$ac_top_builddir"; then
+       ac_top_srcdir=.
+    else
+       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
+    fi ;;
+  [\\/]* | ?:[\\/]* )  # Absolute path.
     ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir
-    ac_abs_top_srcdir=$srcdir ;;
-  *) # Relative name.
-    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_build_prefix$srcdir
-    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+    ac_top_srcdir=$srcdir ;;
+  *) # Relative path.
+    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_builddir$srcdir ;;
+esac
+
+# Do not use `cd foo && pwd` to compute absolute paths, because
+# the directories may not exist.
+case `pwd` in
+.) ac_abs_builddir="$ac_dir";;
+*)
+  case "$ac_dir" in
+  .) ac_abs_builddir=`pwd`;;
+  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
+  *) ac_abs_builddir=`pwd`/"$ac_dir";;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_builddir=${ac_top_builddir}.;;
+*)
+  case ${ac_top_builddir}. in
+  .) ac_abs_top_builddir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
+  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_srcdir=$ac_srcdir;;
+*)
+  case $ac_srcdir in
+  .) ac_abs_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
+  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
+  esac;;
 esac
-ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
-
-    cd "$ac_dir" || { ac_status=$?; continue; }
-    # Check for guested configure.
-    if test -f "$ac_srcdir/configure.gnu"; then
-      echo &&
-      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
-    elif test -f "$ac_srcdir/configure"; then
-      echo &&
-      $SHELL "$ac_srcdir/configure" --help=recursive
+case $ac_abs_builddir in
+.) ac_abs_top_srcdir=$ac_top_srcdir;;
+*)
+  case $ac_top_srcdir in
+  .) ac_abs_top_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
+  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
+  esac;;
+esac
+
+    cd $ac_dir
+    # Check for guested configure; otherwise get Cygnus style configure.
+    if test -f $ac_srcdir/configure.gnu; then
+      echo
+      $SHELL $ac_srcdir/configure.gnu  --help=recursive
+    elif test -f $ac_srcdir/configure; then
+      echo
+      $SHELL $ac_srcdir/configure  --help=recursive
+    elif test -f $ac_srcdir/configure.ac ||
+	   test -f $ac_srcdir/configure.in; then
+      echo
+      $ac_configure --help
     else
       echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
-    fi || ac_status=$?
-    cd "$ac_pwd" || { ac_status=$?; break; }
+    fi
+    cd $ac_popdir
   done
 fi
 
-test -n "$ac_init_help" && exit $ac_status
+test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF
-configure
-generated by GNU Autoconf 2.61
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+Copyright (C) 2003 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
-  exit
+  exit 0
 fi
-cat >config.log <<_ACEOF
+exec 5>config.log
+cat >&5 <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.61.  Invocation command line was
+generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@
 
 _ACEOF
-exec 5>>config.log
 {
 cat <<_ASUNAME
 ## --------- ##
@@ -1426,7 +1054,7 @@ uname -v = `(uname -v) 2>/dev/null || echo unknown`
 /bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
 /usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
 /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
-/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+hostinfo               = `(hostinfo) 2>/dev/null               || echo unknown`
 /bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
 /usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
 /bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
@@ -1440,7 +1068,6 @@ do
   test -z "$as_dir" && as_dir=.
   echo "PATH: $as_dir"
 done
-IFS=$as_save_IFS
 
 } >&5
 
@@ -1462,6 +1089,7 @@ _ACEOF
 ac_configure_args=
 ac_configure_args0=
 ac_configure_args1=
+ac_sep=
 ac_must_keep_next=false
 for ac_pass in 1 2
 do
@@ -1472,7 +1100,7 @@ do
     -q | -quiet | --quiet | --quie | --qui | --qu | --q \
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
-    *\'*)
+    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
       ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
@@ -1494,7 +1122,9 @@ do
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      ac_configure_args="$ac_configure_args '$ac_arg'"
+      ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
+      # Get rid of the leading space.
+      ac_sep=" "
       ;;
     esac
   done
@@ -1505,8 +1135,8 @@ $as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
 # would cause problems or look ugly.
-# WARNING: Use '\'' to represent an apostrophe within the trap.
-# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+# WARNING: Be sure not to use single quotes in there, as some shells,
+# such as our DU 5.0 friend, will then `close' the trap.
 trap 'exit_status=$?
   # Save into config.log some information that might help in debugging.
   {
@@ -1519,34 +1149,20 @@ trap 'exit_status=$?
 _ASBOX
     echo
     # The following way of writing the cache mishandles newlines in values,
-(
-  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
-    eval ac_val=\$$ac_var
-    case $ac_val in #(
-    *${as_nl}*)
-      case $ac_var in #(
-      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
-echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
-      esac
-      case $ac_var in #(
-      _ | IFS | as_nl) ;; #(
-      *) $as_unset $ac_var ;;
-      esac ;;
-    esac
-  done
+{
   (set) 2>&1 |
-    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
-    *${as_nl}ac_space=\ *)
+    case `(ac_space='"'"' '"'"'; set | grep ac_space) 2>&1` in
+    *ac_space=\ *)
       sed -n \
-	"s/'\''/'\''\\\\'\'''\''/g;
-	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
-      ;; #(
+	"s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
+      ;;
     *)
-      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      sed -n \
+	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
       ;;
-    esac |
-    sort
-)
+    esac;
+}
     echo
 
     cat <<\_ASBOX
@@ -1557,28 +1173,22 @@ _ASBOX
     echo
     for ac_var in $ac_subst_vars
     do
-      eval ac_val=\$$ac_var
-      case $ac_val in
-      *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
-      esac
-      echo "$ac_var='\''$ac_val'\''"
+      eval ac_val=$`echo $ac_var`
+      echo "$ac_var='"'"'$ac_val'"'"'"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
       cat <<\_ASBOX
-## ------------------- ##
-## File substitutions. ##
-## ------------------- ##
+## ------------- ##
+## Output files. ##
+## ------------- ##
 _ASBOX
       echo
       for ac_var in $ac_subst_files
       do
-	eval ac_val=\$$ac_var
-	case $ac_val in
-	*\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
-	esac
-	echo "$ac_var='\''$ac_val'\''"
+	eval ac_val=$`echo $ac_var`
+	echo "$ac_var='"'"'$ac_val'"'"'"
       done | sort
       echo
     fi
@@ -1590,24 +1200,26 @@ _ASBOX
 ## ----------- ##
 _ASBOX
       echo
-      cat confdefs.h
+      sed "/^$/d" confdefs.h | sort
       echo
     fi
     test "$ac_signal" != 0 &&
       echo "$as_me: caught signal $ac_signal"
     echo "$as_me: exit $exit_status"
   } >&5
-  rm -f core *.core core.conftest.* &&
-    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+  rm -f core *.core &&
+  rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
-' 0
+     ' 0
 for ac_signal in 1 2 13 15; do
   trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
 done
 ac_signal=0
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
-rm -f -r conftest* confdefs.h
+rm -rf conftest* confdefs.h
+# AIX cpp loses on an empty file, so make sure it contains at least a newline.
+echo >confdefs.h
 
 # Predefined preprocessor variables.
 
@@ -1638,17 +1250,14 @@ _ACEOF
 
 # Let the site file select an alternate cache file if it wants to.
 # Prefer explicitly selected file to automatically selected ones.
-if test -n "$CONFIG_SITE"; then
-  set x "$CONFIG_SITE"
-elif test "x$prefix" != xNONE; then
-  set x "$prefix/share/config.site" "$prefix/etc/config.site"
-else
-  set x "$ac_default_prefix/share/config.site" \
-	"$ac_default_prefix/etc/config.site"
+if test -z "$CONFIG_SITE"; then
+  if test "x$prefix" != xNONE; then
+    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+  else
+    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+  fi
 fi
-shift
-for ac_site_file
-do
+for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
     { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
 echo "$as_me: loading site script $ac_site_file" >&6;}
@@ -1664,8 +1273,8 @@ if test -r "$cache_file"; then
     { echo "$as_me:$LINENO: loading cache $cache_file" >&5
 echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
-      [\\/]* | ?:[\\/]* ) . "$cache_file";;
-      *)                      . "./$cache_file";;
+      [\\/]* | ?:[\\/]* ) . $cache_file;;
+      *)                      . ./$cache_file;;
     esac
   fi
 else
@@ -1677,11 +1286,12 @@ fi
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
-for ac_var in $ac_precious_vars; do
+for ac_var in `(set) 2>&1 |
+	       sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
   eval ac_old_set=\$ac_cv_env_${ac_var}_set
   eval ac_new_set=\$ac_env_${ac_var}_set
-  eval ac_old_val=\$ac_cv_env_${ac_var}_value
-  eval ac_new_val=\$ac_env_${ac_var}_value
+  eval ac_old_val="\$ac_cv_env_${ac_var}_value"
+  eval ac_new_val="\$ac_env_${ac_var}_value"
   case $ac_old_set,$ac_new_set in
     set,)
       { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
@@ -1706,7 +1316,8 @@ echo "$as_me:   current value: $ac_new_val" >&2;}
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
+      ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
@@ -1723,6 +1334,11 @@ echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start ov
    { (exit 1); exit 1; }; }
 fi
 
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
@@ -1739,198 +1355,194 @@ fi
 
 
 
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
 
-# Check whether --with-fltk-prefix was given.
-if test "${with_fltk_prefix+set}" = set; then
-  withval=$with_fltk_prefix; FLTK_PREFIX=$withval
-fi
 
+# Check whether --with-fltk-prefix or --without-fltk-prefix was given.
+if test "${with_fltk_prefix+set}" = set; then
+  withval="$with_fltk_prefix"
+  FLTK_PREFIX=$withval
+fi;
 
-# Check whether --with-gsl-prefix was given.
+# Check whether --with-gsl-prefix or --without-gsl-prefix was given.
 if test "${with_gsl_prefix+set}" = set; then
-  withval=$with_gsl_prefix; GSL_PREFIX=$withval
-fi
+  withval="$with_gsl_prefix"
+  GSL_PREFIX=$withval
+fi;
 
-
-# Check whether --with-jpeg-prefix was given.
+# Check whether --with-jpeg-prefix or --without-jpeg-prefix was given.
 if test "${with_jpeg_prefix+set}" = set; then
-  withval=$with_jpeg_prefix; JPEG_PREFIX=$withval
-fi
+  withval="$with_jpeg_prefix"
+  JPEG_PREFIX=$withval
+fi;
 
-
-# Check whether --with-png-prefix was given.
+# Check whether --with-png-prefix or --without-png-prefix was given.
 if test "${with_png_prefix+set}" = set; then
-  withval=$with_png_prefix; PNG_PREFIX=$withval
-fi
+  withval="$with_png_prefix"
+  PNG_PREFIX=$withval
+fi;
 
-
-# Check whether --with-zlib-prefix was given.
+# Check whether --with-zlib-prefix or --without-zlib-prefix was given.
 if test "${with_zlib_prefix+set}" = set; then
-  withval=$with_zlib_prefix; ZLIB_PREFIX=$withval
-fi
+  withval="$with_zlib_prefix"
+  ZLIB_PREFIX=$withval
+fi;
 
-
-# Check whether --with-osmesa-prefix was given.
+# Check whether --with-osmesa-prefix or --without-osmesa-prefix was given.
 if test "${with_osmesa_prefix+set}" = set; then
-  withval=$with_osmesa_prefix; OSMESA_PREFIX=$withval
-fi
+  withval="$with_osmesa_prefix"
+  OSMESA_PREFIX=$withval
+fi;
 
-
-# Check whether --with-cgns-prefix was given.
+# Check whether --with-cgns-prefix or --without-cgns-prefix was given.
 if test "${with_cgns_prefix+set}" = set; then
-  withval=$with_cgns_prefix; CGNS_PREFIX=$withval
-fi
+  withval="$with_cgns_prefix"
+  CGNS_PREFIX=$withval
+fi;
 
-
-# Check whether --with-occ-prefix was given.
+# Check whether --with-occ-prefix or --without-occ-prefix was given.
 if test "${with_occ_prefix+set}" = set; then
-  withval=$with_occ_prefix; OCC_PREFIX=$withval
-fi
+  withval="$with_occ_prefix"
+  OCC_PREFIX=$withval
+fi;
 
-
-# Check whether --with-hdf5-prefix was given.
+# Check whether --with-hdf5-prefix or --without-hdf5-prefix was given.
 if test "${with_hdf5_prefix+set}" = set; then
-  withval=$with_hdf5_prefix; HDF5_PREFIX=$withval
-fi
+  withval="$with_hdf5_prefix"
+  HDF5_PREFIX=$withval
+fi;
 
-
-# Check whether --with-med-prefix was given.
+# Check whether --with-med-prefix or --without-med-prefix was given.
 if test "${with_med_prefix+set}" = set; then
-  withval=$with_med_prefix; MED_PREFIX=$withval
-fi
+  withval="$with_med_prefix"
+  MED_PREFIX=$withval
+fi;
 
-
-# Check whether --with-fftw3-prefix was given.
+# Check whether --with-fftw3-prefix or --without-fftw3-prefix was given.
 if test "${with_fftw3_prefix+set}" = set; then
-  withval=$with_fftw3_prefix; FFTW3_PREFIX=$withval
-fi
+  withval="$with_fftw3_prefix"
+  FFTW3_PREFIX=$withval
+fi;
 
-
-# Check whether --with-fm-prefix was given.
+# Check whether --with-fm-prefix or --without-fm-prefix was given.
 if test "${with_fm_prefix+set}" = set; then
-  withval=$with_fm_prefix; FM_PREFIX=$withval
-fi
+  withval="$with_fm_prefix"
+  FM_PREFIX=$withval
+fi;
 
-
-# Check whether --with-blas-lapack-prefix was given.
+# Check whether --with-blas-lapack-prefix or --without-blas-lapack-prefix was given.
 if test "${with_blas_lapack_prefix+set}" = set; then
-  withval=$with_blas_lapack_prefix; BLAS_LAPACK_PREFIX=$withval
-fi
+  withval="$with_blas_lapack_prefix"
+  BLAS_LAPACK_PREFIX=$withval
+fi;
 
-
-# Check whether --enable-gsl was given.
+# Check whether --enable-gsl or --disable-gsl was given.
 if test "${enable_gsl+set}" = set; then
-  enableval=$enable_gsl;
-fi
+  enableval="$enable_gsl"
 
-# Check whether --enable-gui was given.
+fi;
+# Check whether --enable-gui or --disable-gui was given.
 if test "${enable_gui+set}" = set; then
-  enableval=$enable_gui;
-fi
+  enableval="$enable_gui"
 
-# Check whether --enable-cygwin was given.
+fi;
+# Check whether --enable-cygwin or --disable-cygwin was given.
 if test "${enable_cygwin+set}" = set; then
-  enableval=$enable_cygwin;
-fi
+  enableval="$enable_cygwin"
 
-# Check whether --enable-parallel was given.
+fi;
+# Check whether --enable-parallel or --disable-parallel was given.
 if test "${enable_parallel+set}" = set; then
-  enableval=$enable_parallel;
-fi
+  enableval="$enable_parallel"
 
-# Check whether --enable-jpeg was given.
+fi;
+# Check whether --enable-jpeg or --disable-jpeg was given.
 if test "${enable_jpeg+set}" = set; then
-  enableval=$enable_jpeg;
-fi
+  enableval="$enable_jpeg"
 
-# Check whether --enable-zlib was given.
+fi;
+# Check whether --enable-zlib or --disable-zlib was given.
 if test "${enable_zlib+set}" = set; then
-  enableval=$enable_zlib;
-fi
+  enableval="$enable_zlib"
 
-# Check whether --enable-png was given.
+fi;
+# Check whether --enable-png or --disable-png was given.
 if test "${enable_png+set}" = set; then
-  enableval=$enable_png;
-fi
+  enableval="$enable_png"
 
-# Check whether --enable-contrib was given.
+fi;
+# Check whether --enable-contrib or --disable-contrib was given.
 if test "${enable_contrib+set}" = set; then
-  enableval=$enable_contrib;
-fi
+  enableval="$enable_contrib"
 
-# Check whether --enable-triangle was given.
+fi;
+# Check whether --enable-triangle or --disable-triangle was given.
 if test "${enable_triangle+set}" = set; then
-  enableval=$enable_triangle;
-fi
+  enableval="$enable_triangle"
 
-# Check whether --enable-netgen was given.
+fi;
+# Check whether --enable-netgen or --disable-netgen was given.
 if test "${enable_netgen+set}" = set; then
-  enableval=$enable_netgen;
-fi
+  enableval="$enable_netgen"
 
-# Check whether --enable-ann was given.
+fi;
+# Check whether --enable-ann or --disable-ann was given.
 if test "${enable_ann+set}" = set; then
-  enableval=$enable_ann;
-fi
+  enableval="$enable_ann"
 
-# Check whether --enable-metis was given.
+fi;
+# Check whether --enable-metis or --disable-metis was given.
 if test "${enable_metis+set}" = set; then
-  enableval=$enable_metis;
-fi
+  enableval="$enable_metis"
 
-# Check whether --enable-tetgen was given.
+fi;
+# Check whether --enable-tetgen or --disable-tetgen was given.
 if test "${enable_tetgen+set}" = set; then
-  enableval=$enable_tetgen;
-fi
+  enableval="$enable_tetgen"
 
-# Check whether --enable-matheval was given.
+fi;
+# Check whether --enable-matheval or --disable-matheval was given.
 if test "${enable_matheval+set}" = set; then
-  enableval=$enable_matheval;
-fi
+  enableval="$enable_matheval"
 
-# Check whether --enable-osmesa was given.
+fi;
+# Check whether --enable-osmesa or --disable-osmesa was given.
 if test "${enable_osmesa+set}" = set; then
-  enableval=$enable_osmesa;
-fi
+  enableval="$enable_osmesa"
 
-# Check whether --enable-cgns was given.
+fi;
+# Check whether --enable-cgns or --disable-cgns was given.
 if test "${enable_cgns+set}" = set; then
-  enableval=$enable_cgns;
-fi
+  enableval="$enable_cgns"
 
-# Check whether --enable-occ was given.
+fi;
+# Check whether --enable-occ or --disable-occ was given.
 if test "${enable_occ+set}" = set; then
-  enableval=$enable_occ;
-fi
+  enableval="$enable_occ"
 
-# Check whether --enable-med was given.
+fi;
+# Check whether --enable-med or --disable-med was given.
 if test "${enable_med+set}" = set; then
-  enableval=$enable_med;
-fi
+  enableval="$enable_med"
 
-# Check whether --enable-fm was given.
+fi;
+# Check whether --enable-fm or --disable-fm was given.
 if test "${enable_fm+set}" = set; then
-  enableval=$enable_fm;
-fi
+  enableval="$enable_fm"
 
-# Check whether --enable-universal was given.
+fi;
+# Check whether --enable-universal or --disable-universal was given.
 if test "${enable_universal+set}" = set; then
-  enableval=$enable_universal;
-fi
+  enableval="$enable_universal"
 
-# Check whether --enable-native-file-chooser was given.
+fi;
+# Check whether --enable-native-file-chooser or --disable-native-file-chooser was given.
 if test "${enable_native_file_chooser+set}" = set; then
-  enableval=$enable_native_file_chooser;
-fi
+  enableval="$enable_native_file_chooser"
 
+fi;
 
 UNAME=`uname`
 HOSTNAME=`hostname`
@@ -1943,8 +1555,8 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -1957,34 +1569,32 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
 fi
 if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -1997,51 +1607,36 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
+  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
+  CC=$ac_ct_CC
 else
   CC="$ac_cv_prog_CC"
 fi
 
 if test -z "$CC"; then
-          if test -n "$ac_tool_prefix"; then
-    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2054,34 +1649,74 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="cc"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
   fi
+done
+done
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  CC=$ac_ct_CC
+else
+  CC="$ac_cv_prog_CC"
+fi
+
 fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2095,7 +1730,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
@@ -2106,7 +1741,6 @@ do
   fi
 done
 done
-IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
   # We found a bogon in the path, so make sure we never use it.
@@ -2124,23 +1758,22 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
 fi
 if test -z "$CC"; then
   if test -n "$ac_tool_prefix"; then
-  for ac_prog in cl.exe
+  for ac_prog in cl
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2153,38 +1786,36 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
     test -n "$CC" && break
   done
 fi
 if test -z "$CC"; then
   ac_ct_CC=$CC
-  for ac_prog in cl.exe
+  for ac_prog in cl
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2197,45 +1828,29 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
+  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
   test -n "$ac_ct_CC" && break
 done
 
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
+  CC=$ac_ct_CC
 fi
 
 fi
@@ -2248,35 +1863,21 @@ See \`config.log' for more details." >&2;}
    { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
-echo "$as_me:$LINENO: checking for C compiler version" >&5
+echo "$as_me:$LINENO:" \
+     "checking for C compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
-{ (ac_try="$ac_compiler --version >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
+  (eval $ac_compiler --version </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
+  (eval $ac_compiler -v </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
+  (eval $ac_compiler -V </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
@@ -2301,77 +1902,47 @@ ac_clean_files="$ac_clean_files a.out a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
-echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
+echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6
 ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-#
-# List of possible output files, starting from the most likely.
-# The algorithm is not robust to junk in `.', hence go to wildcards (a.*)
-# only as a last resort.  b.out is created by i960 compilers.
-ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out'
-#
-# The IRIX 6 linker writes into existing files which may not be
-# executable, retaining their permissions.  Remove them first so a
-# subsequent execution test works.
-ac_rmfiles=
-for ac_file in $ac_files
-do
-  case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
-    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
-  esac
-done
-rm -f $ac_rmfiles
-
-if { (ac_try="$ac_link_default"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link_default") 2>&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
+  (eval $ac_link_default) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
-  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
-# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
-# in a Makefile.  We should not override ac_cv_exeext if it was cached,
-# so that the user can short-circuit this test for compilers unknown to
-# Autoconf.
-for ac_file in $ac_files ''
+  # Find the output, starting from the most likely.  This scheme is
+# not robust to junk in `.', hence go to wildcards (a.*) only as a last
+# resort.
+
+# Be careful to initialize this variable, since it used to be cached.
+# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.
+ac_cv_exeext=
+# b.out is created by i960 compilers.
+for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out
 do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj )
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj )
+	;;
+    conftest.$ac_ext )
+	# This is the source file.
 	;;
     [ab].out )
 	# We found the default executable, but exeext='' is most
 	# certainly right.
 	break;;
     *.* )
-        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
-	then :; else
-	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-	fi
-	# We set ac_cv_exeext here because the later test for it is not
-	# safe: cross compilers may not add the suffix if given an `-o'
-	# argument, so we may need to know it at that point already.
-	# Even if this section looks crufty: it has the advantage of
-	# actually working.
+	ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	# FIXME: I believe we export ac_cv_exeext for Libtool,
+	# but it would be cool to find out if it's true.  Does anybody
+	# maintain Libtool? --akim.
+	export ac_cv_exeext
 	break;;
     * )
 	break;;
   esac
 done
-test "$ac_cv_exeext" = no && ac_cv_exeext=
-
 else
-  ac_file=''
-fi
-
-{ echo "$as_me:$LINENO: result: $ac_file" >&5
-echo "${ECHO_T}$ac_file" >&6; }
-if test -z "$ac_file"; then
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
@@ -2383,21 +1954,19 @@ See \`config.log' for more details." >&2;}
 fi
 
 ac_exeext=$ac_cv_exeext
+echo "$as_me:$LINENO: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6
 
-# Check that the compiler produces executables we can run.  If not, either
+# Check the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5
-echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking whether the C compiler works" >&5
+echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
 # FIXME: These cross compiler hacks should be removed for Autoconf 3.0
 # If not cross compiling, check that we can run a simple program.
 if test "$cross_compiling" != yes; then
   if { ac_try='./$ac_file'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
@@ -2416,27 +1985,22 @@ See \`config.log' for more details." >&2;}
     fi
   fi
 fi
-{ echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
+echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 
 rm -f a.out a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-# Check that the compiler produces executables we can run.  If not, either
+# Check the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
-echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; }
-{ echo "$as_me:$LINENO: result: $cross_compiling" >&5
-echo "${ECHO_T}$cross_compiling" >&6; }
-
-{ echo "$as_me:$LINENO: checking for suffix of executables" >&5
-echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; }
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>&5
+echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
+echo "$as_me:$LINENO: result: $cross_compiling" >&5
+echo "${ECHO_T}$cross_compiling" >&6
+
+echo "$as_me:$LINENO: checking for suffix of executables" >&5
+echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
@@ -2447,8 +2011,9 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	  export ac_cv_exeext
 	  break;;
     * ) break;;
   esac
@@ -2462,14 +2027,14 @@ See \`config.log' for more details." >&2;}
 fi
 
 rm -f conftest$ac_cv_exeext
-{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
-echo "${ECHO_T}$ac_cv_exeext" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+echo "${ECHO_T}$ac_cv_exeext" >&6
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-{ echo "$as_me:$LINENO: checking for suffix of object files" >&5
-echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for suffix of object files" >&5
+echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6
 if test "${ac_cv_objext+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2489,20 +2054,14 @@ main ()
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
-  for ac_file in conftest.o conftest.obj conftest.*; do
-  test -f "$ac_file" || continue;
+  for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;;
     *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
        break;;
   esac
@@ -2520,12 +2079,12 @@ fi
 
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
-echo "${ECHO_T}$ac_cv_objext" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+echo "${ECHO_T}$ac_cv_objext" >&6
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
 if test "${ac_cv_c_compiler_gnu+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2548,49 +2107,50 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_compiler_gnu=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_compiler_gnu=no
+ac_compiler_gnu=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
 GCC=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }
+CFLAGS="-g"
+echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
 if test "${ac_cv_prog_cc_g+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_save_c_werror_flag=$ac_c_werror_flag
-   ac_c_werror_flag=yes
-   ac_cv_prog_cc_g=no
-   CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
+  cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -2606,118 +2166,38 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_prog_cc_g=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
   ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_c_werror_flag=$ac_save_c_werror_flag
-	 CFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
   ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); }; }; then
   ac_cv_prog_cc_g=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_prog_cc_g=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -2733,12 +2213,12 @@ else
     CFLAGS=
   fi
 fi
-{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
-echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then
+echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5
+echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
+if test "${ac_cv_prog_cc_stdc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_cv_prog_cc_c89=no
+  ac_cv_prog_cc_stdc=no
 ac_save_CC=$CC
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -2772,17 +2252,12 @@ static char *f (char * (*g) (char **, int), char **p, ...)
 /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
    function prototypes and stuff, but not '\xHH' hex character constants.
    These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std is added to get
+   as 'x'.  The following induces an error, until -std1 is added to get
    proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
    array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std.  */
+   that's true only with -std1.  */
 int osf4_cc_array ['\x00' == 0 ? 1 : -1];
 
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
-   inside strings and character constants.  */
-#define FOO(x) 'x'
-int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
-
 int test (int i, double x);
 struct s1 {int (*f) (int a);};
 struct s2 {int (*f) (double a);};
@@ -2797,79 +2272,223 @@ return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
   return 0;
 }
 _ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
-	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX			-qlanglvl=ansi
+# Ultrix and OSF/1	-std1
+# HP-UX 10.20 and later	-Ae
+# HP-UX older versions	-Aa -D_HPUX_SOURCE
+# SVR4			-Xc -D__EXTENSIONS__
+for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
   rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_prog_cc_c89=$ac_arg
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_prog_cc_stdc=$ac_arg
+break
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-
 fi
-
-rm -f core conftest.err conftest.$ac_objext
-  test "x$ac_cv_prog_cc_c89" != "xno" && break
+rm -f conftest.err conftest.$ac_objext
 done
-rm -f conftest.$ac_ext
+rm -f conftest.$ac_ext conftest.$ac_objext
 CC=$ac_save_CC
 
 fi
-# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_c89" in
-  x)
-    { echo "$as_me:$LINENO: result: none needed" >&5
-echo "${ECHO_T}none needed" >&6; } ;;
-  xno)
-    { echo "$as_me:$LINENO: result: unsupported" >&5
-echo "${ECHO_T}unsupported" >&6; } ;;
+
+case "x$ac_cv_prog_cc_stdc" in
+  x|xno)
+    echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6 ;;
   *)
-    CC="$CC $ac_cv_prog_cc_c89"
-    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
+    echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
+    CC="$CC $ac_cv_prog_cc_stdc" ;;
 esac
 
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-if test -z "$CXX"; then
-  if test -n "$CCC"; then
-    CXX=$CCC
-  else
-    if test -n "$ac_tool_prefix"; then
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+# Some people use a C++ compiler to compile C.  Since we use `exit',
+# in C++ we need to declare it.  In case someone uses the same compiler
+# for both compiling C and C++ we need to have the C++ compiler decide
+# the declaration of exit, since it's the most demanding environment.
+cat >conftest.$ac_ext <<_ACEOF
+#ifndef __cplusplus
+  choke me
+#endif
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  for ac_declaration in \
+   '' \
+   'extern "C" void std::exit (int) throw (); using std::exit;' \
+   'extern "C" void std::exit (int); using std::exit;' \
+   'extern "C" void exit (int) throw ();' \
+   'extern "C" void exit (int);' \
+   'void exit (int);'
+do
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_declaration
+#include <stdlib.h>
+int
+main ()
+{
+exit (42);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+continue
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_declaration
+int
+main ()
+{
+exit (42);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  break
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+rm -f conftest*
+if test -n "$ac_declaration"; then
+  echo '#ifdef __cplusplus' >>confdefs.h
+  echo $ac_declaration      >>confdefs.h
+  echo '#endif'             >>confdefs.h
+fi
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CXX+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2882,38 +2501,36 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { echo "$as_me:$LINENO: result: $CXX" >&5
-echo "${ECHO_T}$CXX" >&6; }
+  echo "$as_me:$LINENO: result: $CXX" >&5
+echo "${ECHO_T}$CXX" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
     test -n "$CXX" && break
   done
 fi
 if test -z "$CXX"; then
   ac_ct_CXX=$CXX
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -2926,85 +2543,55 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
-echo "${ECHO_T}$ac_ct_CXX" >&6; }
+  echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
+echo "${ECHO_T}$ac_ct_CXX" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
   test -n "$ac_ct_CXX" && break
 done
+test -n "$ac_ct_CXX" || ac_ct_CXX="g++"
 
-  if test "x$ac_ct_CXX" = x; then
-    CXX="g++"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
-    CXX=$ac_ct_CXX
-  fi
+  CXX=$ac_ct_CXX
 fi
 
-  fi
-fi
+
 # Provide some information about the compiler.
-echo "$as_me:$LINENO: checking for C++ compiler version" >&5
+echo "$as_me:$LINENO:" \
+     "checking for C++ compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
-{ (ac_try="$ac_compiler --version >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
+  (eval $ac_compiler --version </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
+  (eval $ac_compiler -v </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
+  (eval $ac_compiler -V </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
 
-{ echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6
 if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3027,49 +2614,50 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_compiler_gnu=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_compiler_gnu=no
+ac_compiler_gnu=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6
 GXX=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
-echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6; }
+CXXFLAGS="-g"
+echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
+echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6
 if test "${ac_cv_prog_cxx_g+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
-   ac_cxx_werror_flag=yes
-   ac_cv_prog_cxx_g=no
-   CXXFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
+  cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -3085,133 +2673,159 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_prog_cxx_g=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	CXXFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
+ac_cv_prog_cxx_g=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6
+if test "$ac_test_CXXFLAGS" = set; then
+  CXXFLAGS=$ac_save_CXXFLAGS
+elif test $ac_cv_prog_cxx_g = yes; then
+  if test "$GXX" = yes; then
+    CXXFLAGS="-g -O2"
+  else
+    CXXFLAGS="-g"
+  fi
+else
+  if test "$GXX" = yes; then
+    CXXFLAGS="-O2"
+  else
+    CXXFLAGS=
+  fi
+fi
+for ac_declaration in \
+   '' \
+   'extern "C" void std::exit (int) throw (); using std::exit;' \
+   'extern "C" void std::exit (int); using std::exit;' \
+   'extern "C" void exit (int) throw ();' \
+   'extern "C" void exit (int);' \
+   'void exit (int);'
+do
+  cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
+$ac_declaration
+#include <stdlib.h>
 int
 main ()
 {
-
+exit (42);
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cxx_werror_flag=$ac_save_cxx_werror_flag
-	 CXXFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
+continue
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
+$ac_declaration
 int
 main ()
 {
-
+exit (42);
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_prog_cxx_g=yes
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  break
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+rm -f conftest*
+if test -n "$ac_declaration"; then
+  echo '#ifdef __cplusplus' >>confdefs.h
+  echo $ac_declaration      >>confdefs.h
+  echo '#endif'             >>confdefs.h
 fi
 
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6; }
-if test "$ac_test_CXXFLAGS" = set; then
-  CXXFLAGS=$ac_save_CXXFLAGS
-elif test $ac_cv_prog_cxx_g = yes; then
-  if test "$GXX" = yes; then
-    CXXFLAGS="-g -O2"
-  else
-    CXXFLAGS="-g"
-  fi
-else
-  if test "$GXX" = yes; then
-    CXXFLAGS="-O2"
-  else
-    CXXFLAGS=
-  fi
-fi
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3229,8 +2843,8 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -3264,22 +2878,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
@@ -3288,10 +2904,9 @@ sed 's/^/| /' conftest.$ac_ext >&5
   # Broken: fails on valid input.
 continue
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether nonexistent headers
+  # OK, works on sane cases.  Now check whether non-existent headers
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -3301,22 +2916,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
@@ -3327,7 +2944,6 @@ sed 's/^/| /' conftest.$ac_ext >&5
 ac_preproc_ok=:
 break
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
 done
@@ -3345,8 +2961,8 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ echo "$as_me:$LINENO: result: $CPP" >&5
-echo "${ECHO_T}$CPP" >&6; }
+echo "$as_me:$LINENO: result: $CPP" >&5
+echo "${ECHO_T}$CPP" >&6
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
@@ -3369,22 +2985,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
@@ -3393,10 +3011,9 @@ sed 's/^/| /' conftest.$ac_ext >&5
   # Broken: fails on valid input.
 continue
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether nonexistent headers
+  # OK, works on sane cases.  Now check whether non-existent headers
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -3406,22 +3023,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
@@ -3432,7 +3051,6 @@ sed 's/^/| /' conftest.$ac_ext >&5
 ac_preproc_ok=:
 break
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
 done
@@ -3455,6 +3073,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 LINKER="${CXX}"
+POSTBUILD=""
 
 FLAGS=""
 OPTIM="${CXXFLAGS}"
@@ -3470,7 +3089,7 @@ case "$UNAME" in
     ;;
 esac
 
-ac_ext=cpp
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -3488,8 +3107,8 @@ case "$UNAME" in
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_RANLIB+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3502,34 +3121,32 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  { echo "$as_me:$LINENO: result: $RANLIB" >&5
-echo "${ECHO_T}$RANLIB" >&6; }
+  echo "$as_me:$LINENO: result: $RANLIB" >&5
+echo "${ECHO_T}$RANLIB" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
 fi
 if test -z "$ac_cv_prog_RANLIB"; then
   ac_ct_RANLIB=$RANLIB
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3542,49 +3159,35 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
+  test -z "$ac_cv_prog_ac_ct_RANLIB" && ac_cv_prog_ac_ct_RANLIB=":"
 fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
-echo "${ECHO_T}$ac_ct_RANLIB" >&6; }
+  echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
+echo "${ECHO_T}$ac_ct_RANLIB" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-  if test "x$ac_ct_RANLIB" = x; then
-    RANLIB=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
-    RANLIB=$ac_ct_RANLIB
-  fi
+  RANLIB=$ac_ct_RANLIB
 else
   RANLIB="$ac_cv_prog_RANLIB"
 fi
 
     # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_AR+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3599,28 +3202,27 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_AR="$as_dir/$ac_word$ac_exec_ext"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
   ;;
 esac
 fi
 AR=$ac_cv_path_AR
+
 if test -n "$AR"; then
-  { echo "$as_me:$LINENO: result: $AR" >&5
-echo "${ECHO_T}$AR" >&6; }
+  echo "$as_me:$LINENO: result: $AR" >&5
+echo "${ECHO_T}$AR" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
     if test "x${AR}" = "x:"; then
       { { echo "$as_me:$LINENO: error: Could not find the library archiver, aborting." >&5
 echo "$as_me: error: Could not find the library archiver, aborting." >&2;}
@@ -3643,8 +3245,8 @@ if test "x$enable_gui" != "xno"; then
   if test "x${FLTK_PREFIX}" != "x" ; then
     # Extract the first word of "fltk-config", so it can be a program name with args.
 set dummy fltk-config; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_FLTKCONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3660,36 +3262,35 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_FLTKCONFIG="$as_dir/$ac_word$ac_exec_ext"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
   test -z "$ac_cv_path_FLTKCONFIG" && ac_cv_path_FLTKCONFIG=""""
   ;;
 esac
 fi
 FLTKCONFIG=$ac_cv_path_FLTKCONFIG
+
 if test -n "$FLTKCONFIG"; then
-  { echo "$as_me:$LINENO: result: $FLTKCONFIG" >&5
-echo "${ECHO_T}$FLTKCONFIG" >&6; }
+  echo "$as_me:$LINENO: result: $FLTKCONFIG" >&5
+echo "${ECHO_T}$FLTKCONFIG" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
         GMSH_LIBS="${GMSH_LIBS} -L${FLTK_PREFIX}/lib"
     FLAGS="${FLAGS} -I${FLTK_PREFIX}"
   else
     # Extract the first word of "fltk-config", so it can be a program name with args.
 set dummy fltk-config; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_FLTKCONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3704,28 +3305,27 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_FLTKCONFIG="$as_dir/$ac_word$ac_exec_ext"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
   ;;
 esac
 fi
 FLTKCONFIG=$ac_cv_path_FLTKCONFIG
+
 if test -n "$FLTKCONFIG"; then
-  { echo "$as_me:$LINENO: result: $FLTKCONFIG" >&5
-echo "${ECHO_T}$FLTKCONFIG" >&6; }
+  echo "$as_me:$LINENO: result: $FLTKCONFIG" >&5
+echo "${ECHO_T}$FLTKCONFIG" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
   fi
   if test "x$FLTKCONFIG" = "x"; then
     { { echo "$as_me:$LINENO: error: Could not find fltk-config. Try --with-fltk-prefix?" >&5
@@ -3738,8 +3338,8 @@ echo "$as_me: error: Could not find fltk-config. Try --with-fltk-prefix?" >&2;}
       LDFLAGS="-L${OSMESA_PREFIX} -L${OSMESA_PREFIX}/lib ${LDFLAGS}"
     fi
 
-{ echo "$as_me:$LINENO: checking for main in -lOSMesa" >&5
-echo $ECHO_N "checking for main in -lOSMesa... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for main in -lOSMesa" >&5
+echo $ECHO_N "checking for main in -lOSMesa... $ECHO_C" >&6
 if test "${ac_cv_lib_OSMesa_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3756,43 +3356,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_OSMesa_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_OSMesa_main=no
+ac_cv_lib_OSMesa_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_OSMesa_main" >&5
-echo "${ECHO_T}$ac_cv_lib_OSMesa_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_OSMesa_main" >&5
+echo "${ECHO_T}$ac_cv_lib_OSMesa_main" >&6
 if test $ac_cv_lib_OSMesa_main = yes; then
   OSMESA="yes"
 else
@@ -3801,8 +3404,8 @@ fi
 
   fi
 
-    { echo "$as_me:$LINENO: checking for ./contrib/NativeFileChooser/Fl_Native_File_Chooser.cxx" >&5
-echo $ECHO_N "checking for ./contrib/NativeFileChooser/Fl_Native_File_Chooser.cxx... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/NativeFileChooser/Fl_Native_File_Chooser.cxx" >&5
+echo $ECHO_N "checking for ./contrib/NativeFileChooser/Fl_Native_File_Chooser.cxx... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_NativeFileChooser_Fl_Native_File_Chooser_cxx+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3816,8 +3419,8 @@ else
   ac_cv_file___contrib_NativeFileChooser_Fl_Native_File_Chooser_cxx=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_NativeFileChooser_Fl_Native_File_Chooser_cxx" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_NativeFileChooser_Fl_Native_File_Chooser_cxx" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_NativeFileChooser_Fl_Native_File_Chooser_cxx" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_NativeFileChooser_Fl_Native_File_Chooser_cxx" >&6
 if test $ac_cv_file___contrib_NativeFileChooser_Fl_Native_File_Chooser_cxx = yes; then
   NATIVE="yes"
 else
@@ -3867,8 +3470,8 @@ fi
       if test "x${JPEG_PREFIX}" != "x"; then
         LDFLAGS="-L${JPEG_PREFIX} -L${JPEG_PREFIX}/lib ${LDFLAGS}"
       fi
-      { echo "$as_me:$LINENO: checking for main in -ljpeg" >&5
-echo $ECHO_N "checking for main in -ljpeg... $ECHO_C" >&6; }
+      echo "$as_me:$LINENO: checking for main in -ljpeg" >&5
+echo $ECHO_N "checking for main in -ljpeg... $ECHO_C" >&6
 if test "${ac_cv_lib_jpeg_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3885,43 +3488,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_jpeg_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_jpeg_main=no
+ac_cv_lib_jpeg_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_jpeg_main" >&5
-echo "${ECHO_T}$ac_cv_lib_jpeg_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_jpeg_main" >&5
+echo "${ECHO_T}$ac_cv_lib_jpeg_main" >&6
 if test $ac_cv_lib_jpeg_main = yes; then
   JPEG="yes"
 else
@@ -3948,8 +3554,8 @@ fi
       if test "x${ZLIB_PREFIX}" != "x"; then
         LDFLAGS="-L${ZLIB_PREFIX} -L${ZLIB_PREFIX}/lib ${LDFLAGS}"
       fi
-      { echo "$as_me:$LINENO: checking for main in -lz" >&5
-echo $ECHO_N "checking for main in -lz... $ECHO_C" >&6; }
+      echo "$as_me:$LINENO: checking for main in -lz" >&5
+echo $ECHO_N "checking for main in -lz... $ECHO_C" >&6
 if test "${ac_cv_lib_z_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -3966,43 +3572,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_z_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_z_main=no
+ac_cv_lib_z_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_z_main" >&5
-echo "${ECHO_T}$ac_cv_lib_z_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_z_main" >&5
+echo "${ECHO_T}$ac_cv_lib_z_main" >&6
 if test $ac_cv_lib_z_main = yes; then
   ZLIB="yes"
 else
@@ -4019,8 +3628,8 @@ fi
       if test "x${PNG_PREFIX}" != "x"; then
         LDFLAGS="-L${PNG_PREFIX} -L${PNG_PREFIX}/lib ${LDFLAGS}"
       fi
-      { echo "$as_me:$LINENO: checking for main in -lpng" >&5
-echo $ECHO_N "checking for main in -lpng... $ECHO_C" >&6; }
+      echo "$as_me:$LINENO: checking for main in -lpng" >&5
+echo $ECHO_N "checking for main in -lpng... $ECHO_C" >&6
 if test "${ac_cv_lib_png_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4037,43 +3646,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_png_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_png_main=no
+ac_cv_lib_png_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_png_main" >&5
-echo "${ECHO_T}$ac_cv_lib_png_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_png_main" >&5
+echo "${ECHO_T}$ac_cv_lib_png_main" >&6
 if test $ac_cv_lib_png_main = yes; then
   PNG="yes"
 else
@@ -4104,8 +3716,8 @@ else
     if test "x${ZLIB_PREFIX}" != "x"; then
       LDFLAGS="-L${ZLIB_PREFIX} -L${ZLIB_PREFIX}/lib ${LDFLAGS}"
     fi
-    { echo "$as_me:$LINENO: checking for main in -lz" >&5
-echo $ECHO_N "checking for main in -lz... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for main in -lz" >&5
+echo $ECHO_N "checking for main in -lz... $ECHO_C" >&6
 if test "${ac_cv_lib_z_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4122,43 +3734,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_z_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_z_main=no
+ac_cv_lib_z_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_z_main" >&5
-echo "${ECHO_T}$ac_cv_lib_z_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_z_main" >&5
+echo "${ECHO_T}$ac_cv_lib_z_main" >&6
 if test $ac_cv_lib_z_main = yes; then
   ZLIB="yes"
 else
@@ -4170,8 +3785,8 @@ fi
 fi
 
 
-{ echo "$as_me:$LINENO: checking for main in -lm" >&5
-echo $ECHO_N "checking for main in -lm... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for main in -lm" >&5
+echo $ECHO_N "checking for main in -lm... $ECHO_C" >&6
 if test "${ac_cv_lib_m_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4188,43 +3803,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_m_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_m_main=no
+ac_cv_lib_m_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_m_main" >&5
-echo "${ECHO_T}$ac_cv_lib_m_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_m_main" >&5
+echo "${ECHO_T}$ac_cv_lib_m_main" >&6
 if test $ac_cv_lib_m_main = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBM 1
@@ -4235,8 +3853,8 @@ _ACEOF
 fi
 
 
-{ echo "$as_me:$LINENO: checking for vsnprintf" >&5
-echo $ECHO_N "checking for vsnprintf... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for vsnprintf" >&5
+echo $ECHO_N "checking for vsnprintf... $ECHO_C" >&6
 if test "${ac_cv_func_vsnprintf+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4263,67 +3881,76 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 #undef vsnprintf
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
+/* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
 extern "C"
+{
 #endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
 char vsnprintf ();
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
-#if defined __stub_vsnprintf || defined __stub___vsnprintf
+#if defined (__stub_vsnprintf) || defined (__stub___vsnprintf)
 choke me
+#else
+char (*f) () = vsnprintf;
+#endif
+#ifdef __cplusplus
+}
 #endif
 
 int
 main ()
 {
-return vsnprintf ();
+return f != vsnprintf;
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_func_vsnprintf=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_func_vsnprintf=no
+ac_cv_func_vsnprintf=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_func_vsnprintf" >&5
-echo "${ECHO_T}$ac_cv_func_vsnprintf" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_func_vsnprintf" >&5
+echo "${ECHO_T}$ac_cv_func_vsnprintf" >&6
 if test $ac_cv_func_vsnprintf = yes; then
   :
 else
   FLAGS="-DHAVE_NO_VSNPRINTF ${FLAGS}"
 fi
 
-{ echo "$as_me:$LINENO: checking for snprintf" >&5
-echo $ECHO_N "checking for snprintf... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for snprintf" >&5
+echo $ECHO_N "checking for snprintf... $ECHO_C" >&6
 if test "${ac_cv_func_snprintf+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4350,59 +3977,68 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 #undef snprintf
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
+/* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
 extern "C"
+{
 #endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
 char snprintf ();
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
-#if defined __stub_snprintf || defined __stub___snprintf
+#if defined (__stub_snprintf) || defined (__stub___snprintf)
 choke me
+#else
+char (*f) () = snprintf;
+#endif
+#ifdef __cplusplus
+}
 #endif
 
 int
 main ()
 {
-return snprintf ();
+return f != snprintf;
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_func_snprintf=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_func_snprintf=no
+ac_cv_func_snprintf=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_func_snprintf" >&5
-echo "${ECHO_T}$ac_cv_func_snprintf" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_func_snprintf" >&5
+echo "${ECHO_T}$ac_cv_func_snprintf" >&6
 if test $ac_cv_func_snprintf = yes; then
   :
 else
@@ -4427,36 +4063,40 @@ socklen_t len = 42; return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	FLAGS="-DHAVE_NO_SOCKLEN_T ${FLAGS}"
+FLAGS="-DHAVE_NO_SOCKLEN_T ${FLAGS}"
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test "x$enable_contrib" != "xno"; then
 
-    { echo "$as_me:$LINENO: checking for ./contrib/Triangle/triangle.c" >&5
-echo $ECHO_N "checking for ./contrib/Triangle/triangle.c... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/Triangle/triangle.c" >&5
+echo $ECHO_N "checking for ./contrib/Triangle/triangle.c... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_Triangle_triangle_c+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4470,8 +4110,8 @@ else
   ac_cv_file___contrib_Triangle_triangle_c=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Triangle_triangle_c" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_Triangle_triangle_c" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Triangle_triangle_c" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_Triangle_triangle_c" >&6
 if test $ac_cv_file___contrib_Triangle_triangle_c = yes; then
   TRIANGLE="yes"
 else
@@ -4509,8 +4149,8 @@ fi
     fi
   fi
 
-    { echo "$as_me:$LINENO: checking for ./contrib/ANN/include/ANN/ANN.h" >&5
-echo $ECHO_N "checking for ./contrib/ANN/include/ANN/ANN.h... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/ANN/include/ANN/ANN.h" >&5
+echo $ECHO_N "checking for ./contrib/ANN/include/ANN/ANN.h... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_ANN_include_ANN_ANN_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4524,8 +4164,8 @@ else
   ac_cv_file___contrib_ANN_include_ANN_ANN_h=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_ANN_include_ANN_ANN_h" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_ANN_include_ANN_ANN_h" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_ANN_include_ANN_ANN_h" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_ANN_include_ANN_ANN_h" >&6
 if test $ac_cv_file___contrib_ANN_include_ANN_ANN_h = yes; then
   ANN="yes"
 else
@@ -4558,8 +4198,8 @@ fi
     fi
   fi
 
-    { echo "$as_me:$LINENO: checking for ./contrib/Metis/metis.h" >&5
-echo $ECHO_N "checking for ./contrib/Metis/metis.h... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/Metis/metis.h" >&5
+echo $ECHO_N "checking for ./contrib/Metis/metis.h... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_Metis_metis_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4573,8 +4213,8 @@ else
   ac_cv_file___contrib_Metis_metis_h=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Metis_metis_h" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_Metis_metis_h" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Metis_metis_h" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_Metis_metis_h" >&6
 if test $ac_cv_file___contrib_Metis_metis_h = yes; then
   METIS="yes"
 else
@@ -4607,8 +4247,8 @@ fi
     fi
   fi
 
-    { echo "$as_me:$LINENO: checking for ./contrib/Netgen/libsrc/meshing/meshclass.cpp" >&5
-echo $ECHO_N "checking for ./contrib/Netgen/libsrc/meshing/meshclass.cpp... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/Netgen/libsrc/meshing/meshclass.cpp" >&5
+echo $ECHO_N "checking for ./contrib/Netgen/libsrc/meshing/meshclass.cpp... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_Netgen_libsrc_meshing_meshclass_cpp+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4622,8 +4262,8 @@ else
   ac_cv_file___contrib_Netgen_libsrc_meshing_meshclass_cpp=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Netgen_libsrc_meshing_meshclass_cpp" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_Netgen_libsrc_meshing_meshclass_cpp" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Netgen_libsrc_meshing_meshclass_cpp" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_Netgen_libsrc_meshing_meshclass_cpp" >&6
 if test $ac_cv_file___contrib_Netgen_libsrc_meshing_meshclass_cpp = yes; then
   NETGEN="yes"
 else
@@ -4657,8 +4297,8 @@ fi
     fi
   fi
 
-    { echo "$as_me:$LINENO: checking for ./contrib/Tetgen/tetgen.h" >&5
-echo $ECHO_N "checking for ./contrib/Tetgen/tetgen.h... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/Tetgen/tetgen.h" >&5
+echo $ECHO_N "checking for ./contrib/Tetgen/tetgen.h... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_Tetgen_tetgen_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4672,8 +4312,8 @@ else
   ac_cv_file___contrib_Tetgen_tetgen_h=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Tetgen_tetgen_h" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_Tetgen_tetgen_h" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_Tetgen_tetgen_h" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_Tetgen_tetgen_h" >&6
 if test $ac_cv_file___contrib_Tetgen_tetgen_h = yes; then
   TETGEN="yes"
 else
@@ -4711,8 +4351,8 @@ fi
   fi
 
     if test "x$enable_matheval" != "xno"; then
-    { echo "$as_me:$LINENO: checking for ./contrib/MathEval/matheval.cpp" >&5
-echo $ECHO_N "checking for ./contrib/MathEval/matheval.cpp... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/MathEval/matheval.cpp" >&5
+echo $ECHO_N "checking for ./contrib/MathEval/matheval.cpp... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_MathEval_matheval_cpp+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4726,8 +4366,8 @@ else
   ac_cv_file___contrib_MathEval_matheval_cpp=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_MathEval_matheval_cpp" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_MathEval_matheval_cpp" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_MathEval_matheval_cpp" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_MathEval_matheval_cpp" >&6
 if test $ac_cv_file___contrib_MathEval_matheval_cpp = yes; then
   MATHEVAL="yes"
 else
@@ -4748,8 +4388,8 @@ if test "x$enable_gsl" != "xno"; then
     LDFLAGS="-L${GSL_PREFIX} -L${GSL_PREFIX}/lib ${LDFLAGS}"
   fi
 
-{ echo "$as_me:$LINENO: checking for main in -lgslcblas" >&5
-echo $ECHO_N "checking for main in -lgslcblas... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for main in -lgslcblas" >&5
+echo $ECHO_N "checking for main in -lgslcblas... $ECHO_C" >&6
 if test "${ac_cv_lib_gslcblas_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4766,43 +4406,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_gslcblas_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_gslcblas_main=no
+ac_cv_lib_gslcblas_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_gslcblas_main" >&5
-echo "${ECHO_T}$ac_cv_lib_gslcblas_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_gslcblas_main" >&5
+echo "${ECHO_T}$ac_cv_lib_gslcblas_main" >&6
 if test $ac_cv_lib_gslcblas_main = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBGSLCBLAS 1
@@ -4812,8 +4455,8 @@ _ACEOF
 
 fi
 
-  { echo "$as_me:$LINENO: checking for main in -lgsl" >&5
-echo $ECHO_N "checking for main in -lgsl... $ECHO_C" >&6; }
+  echo "$as_me:$LINENO: checking for main in -lgsl" >&5
+echo $ECHO_N "checking for main in -lgsl... $ECHO_C" >&6
 if test "${ac_cv_lib_gsl_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4830,43 +4473,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_gsl_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_gsl_main=no
+ac_cv_lib_gsl_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_gsl_main" >&5
-echo "${ECHO_T}$ac_cv_lib_gsl_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_gsl_main" >&5
+echo "${ECHO_T}$ac_cv_lib_gsl_main" >&6
 if test $ac_cv_lib_gsl_main = yes; then
   GSL="yes"
 else
@@ -4884,8 +4530,8 @@ fi
   fi
 fi
 if test "x${GSL}" != "xyes"; then
-    { echo "$as_me:$LINENO: checking for ./contrib/NR/dsvdcmp.cpp" >&5
-echo $ECHO_N "checking for ./contrib/NR/dsvdcmp.cpp... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for ./contrib/NR/dsvdcmp.cpp" >&5
+echo $ECHO_N "checking for ./contrib/NR/dsvdcmp.cpp... $ECHO_C" >&6
 if test "${ac_cv_file___contrib_NR_dsvdcmp_cpp+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4899,8 +4545,8 @@ else
   ac_cv_file___contrib_NR_dsvdcmp_cpp=no
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_file___contrib_NR_dsvdcmp_cpp" >&5
-echo "${ECHO_T}$ac_cv_file___contrib_NR_dsvdcmp_cpp" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_file___contrib_NR_dsvdcmp_cpp" >&5
+echo "${ECHO_T}$ac_cv_file___contrib_NR_dsvdcmp_cpp" >&6
 if test $ac_cv_file___contrib_NR_dsvdcmp_cpp = yes; then
   NR="yes"
 else
@@ -4944,8 +4590,8 @@ if test "x$enable_cgns" = "xyes"; then
   if test "x${CGNS_PREFIX}" != "x"; then
     LDFLAGS="-L${CGNS_PREFIX}/lib ${LDFLAGS}"
   fi
-  { echo "$as_me:$LINENO: checking for main in -lcgns" >&5
-echo $ECHO_N "checking for main in -lcgns... $ECHO_C" >&6; }
+  echo "$as_me:$LINENO: checking for main in -lcgns" >&5
+echo $ECHO_N "checking for main in -lcgns... $ECHO_C" >&6
 if test "${ac_cv_lib_cgns_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -4962,43 +4608,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_cgns_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_cgns_main=no
+ac_cv_lib_cgns_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_cgns_main" >&5
-echo "${ECHO_T}$ac_cv_lib_cgns_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_cgns_main" >&5
+echo "${ECHO_T}$ac_cv_lib_cgns_main" >&6
 if test $ac_cv_lib_cgns_main = yes; then
   CGNS="yes"
 else
@@ -5025,8 +4674,8 @@ if test "x$enable_occ" = "xyes"; then
   if test "x${OCC_PREFIX}" != "x"; then
     LDFLAGS="-L${OCC_PREFIX}/lib ${LDFLAGS}"
   fi
-  { echo "$as_me:$LINENO: checking for main in -lTKernel" >&5
-echo $ECHO_N "checking for main in -lTKernel... $ECHO_C" >&6; }
+  echo "$as_me:$LINENO: checking for main in -lTKernel" >&5
+echo $ECHO_N "checking for main in -lTKernel... $ECHO_C" >&6
 if test "${ac_cv_lib_TKernel_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5043,43 +4692,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_TKernel_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_TKernel_main=no
+ac_cv_lib_TKernel_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_TKernel_main" >&5
-echo "${ECHO_T}$ac_cv_lib_TKernel_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_TKernel_main" >&5
+echo "${ECHO_T}$ac_cv_lib_TKernel_main" >&6
 if test $ac_cv_lib_TKernel_main = yes; then
   OCC="yes"
 else
@@ -5119,12 +4771,12 @@ ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
 ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_f77_compiler_gnu
 if test -n "$ac_tool_prefix"; then
-  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+  for ac_prog in g77 f77 xlf frt pgf77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 f95 fort xlf95 ifc efc pgf95 lf95 gfortran
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_F77+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5137,38 +4789,36 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_F77="$ac_tool_prefix$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 F77=$ac_cv_prog_F77
 if test -n "$F77"; then
-  { echo "$as_me:$LINENO: result: $F77" >&5
-echo "${ECHO_T}$F77" >&6; }
+  echo "$as_me:$LINENO: result: $F77" >&5
+echo "${ECHO_T}$F77" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
     test -n "$F77" && break
   done
 fi
 if test -z "$F77"; then
   ac_ct_F77=$F77
-  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+  for ac_prog in g77 f77 xlf frt pgf77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 f95 fort xlf95 ifc efc pgf95 lf95 gfortran
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_F77+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5181,78 +4831,48 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
   for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_F77="$ac_prog"
     echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
 done
-IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_F77=$ac_cv_prog_ac_ct_F77
 if test -n "$ac_ct_F77"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_F77" >&5
-echo "${ECHO_T}$ac_ct_F77" >&6; }
+  echo "$as_me:$LINENO: result: $ac_ct_F77" >&5
+echo "${ECHO_T}$ac_ct_F77" >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-
   test -n "$ac_ct_F77" && break
 done
 
-  if test "x$ac_ct_F77" = x; then
-    F77=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
-ac_tool_warned=yes ;;
-esac
-    F77=$ac_ct_F77
-  fi
+  F77=$ac_ct_F77
 fi
 
 
 # Provide some information about the compiler.
-echo "$as_me:$LINENO: checking for Fortran 77 compiler version" >&5
+echo "$as_me:4861:" \
+     "checking for Fortran 77 compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
-{ (ac_try="$ac_compiler --version >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
+  (eval $ac_compiler --version </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
+  (eval $ac_compiler -v </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
+  (eval $ac_compiler -V </dev/null >&5) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
@@ -5262,8 +4882,8 @@ rm -f a.out
 # input file.  (Note that this only needs to work for GNU compilers.)
 ac_save_ext=$ac_ext
 ac_ext=F
-{ echo "$as_me:$LINENO: checking whether we are using the GNU Fortran 77 compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU Fortran 77 compiler... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking whether we are using the GNU Fortran 77 compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU Fortran 77 compiler... $ECHO_C" >&6
 if test "${ac_cv_f77_compiler_gnu+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5276,42 +4896,46 @@ else
       end
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_f77_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_f77_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_compiler_gnu=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_compiler_gnu=no
+ac_compiler_gnu=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_f77_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_f77_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_f77_compiler_gnu" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_f77_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_f77_compiler_gnu" >&6
 ac_ext=$ac_save_ext
 ac_test_FFLAGS=${FFLAGS+set}
 ac_save_FFLAGS=$FFLAGS
 FFLAGS=
-{ echo "$as_me:$LINENO: checking whether $F77 accepts -g" >&5
-echo $ECHO_N "checking whether $F77 accepts -g... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking whether $F77 accepts -g" >&5
+echo $ECHO_N "checking whether $F77 accepts -g... $ECHO_C" >&6
 if test "${ac_cv_prog_f77_g+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5322,35 +4946,39 @@ cat >conftest.$ac_ext <<_ACEOF
       end
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_f77_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_f77_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_prog_f77_g=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_prog_f77_g=no
+ac_cv_prog_f77_g=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_f77_g" >&5
-echo "${ECHO_T}$ac_cv_prog_f77_g" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_prog_f77_g" >&5
+echo "${ECHO_T}$ac_cv_prog_f77_g" >&6
 if test "$ac_test_FFLAGS" = set; then
   FFLAGS=$ac_save_FFLAGS
 elif test $ac_cv_prog_f77_g = yes; then
@@ -5374,8 +5002,8 @@ ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_f77_compiler_gnu
 
 
-{ echo "$as_me:$LINENO: checking for dasum in -lblas" >&5
-echo $ECHO_N "checking for dasum in -lblas... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for dasum in -lblas" >&5
+echo $ECHO_N "checking for dasum in -lblas... $ECHO_C" >&6
 if test "${ac_cv_lib_blas_dasum+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5387,45 +5015,48 @@ cat >conftest.$ac_ext <<_ACEOF
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_f77_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_f77_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_blas_dasum=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_blas_dasum=no
+ac_cv_lib_blas_dasum=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_blas_dasum" >&5
-echo "${ECHO_T}$ac_cv_lib_blas_dasum" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_blas_dasum" >&5
+echo "${ECHO_T}$ac_cv_lib_blas_dasum" >&6
 if test $ac_cv_lib_blas_dasum = yes; then
   BLAS="yes"
 else
   BLAS="no"
 fi
 
-{ echo "$as_me:$LINENO: checking for dbdsqr in -llapack" >&5
-echo $ECHO_N "checking for dbdsqr in -llapack... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for dbdsqr in -llapack" >&5
+echo $ECHO_N "checking for dbdsqr in -llapack... $ECHO_C" >&6
 if test "${ac_cv_lib_lapack_dbdsqr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5437,44 +5068,47 @@ cat >conftest.$ac_ext <<_ACEOF
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_f77_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_f77_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_lapack_dbdsqr=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_lapack_dbdsqr=no
+ac_cv_lib_lapack_dbdsqr=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_lapack_dbdsqr" >&5
-echo "${ECHO_T}$ac_cv_lib_lapack_dbdsqr" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_lapack_dbdsqr" >&5
+echo "${ECHO_T}$ac_cv_lib_lapack_dbdsqr" >&6
 if test $ac_cv_lib_lapack_dbdsqr = yes; then
   LAPACK="yes"
 else
   LAPACK="no"
 fi
 
-ac_ext=cpp
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -5485,8 +5119,8 @@ if test "x$enable_fm" != "xno"; then
   if test "x${FM_PREFIX}" != "x"; then
     LDFLAGS="-L${FM_PREFIX}/lib ${LDFLAGS}"
   fi
-  { echo "$as_me:$LINENO: checking for main in -lFourierModel" >&5
-echo $ECHO_N "checking for main in -lFourierModel... $ECHO_C" >&6; }
+  echo "$as_me:$LINENO: checking for main in -lFourierModel" >&5
+echo $ECHO_N "checking for main in -lFourierModel... $ECHO_C" >&6
 if test "${ac_cv_lib_FourierModel_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5503,43 +5137,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_FourierModel_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_FourierModel_main=no
+ac_cv_lib_FourierModel_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_FourierModel_main" >&5
-echo "${ECHO_T}$ac_cv_lib_FourierModel_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_FourierModel_main" >&5
+echo "${ECHO_T}$ac_cv_lib_FourierModel_main" >&6
 if test $ac_cv_lib_FourierModel_main = yes; then
   FM="yes"
 else
@@ -5554,8 +5191,8 @@ echo "$as_me: WARNING: Could not find blas or lapack: disabling FourierModel." >
             if test "x${FFTW3_PREFIX}" != "x"; then
         LDFLAGS="-L${FFTW3_PREFIX}/lib ${LDFLAGS}"
       fi
-      { echo "$as_me:$LINENO: checking for main in -lfftw3" >&5
-echo $ECHO_N "checking for main in -lfftw3... $ECHO_C" >&6; }
+      echo "$as_me:$LINENO: checking for main in -lfftw3" >&5
+echo $ECHO_N "checking for main in -lfftw3... $ECHO_C" >&6
 if test "${ac_cv_lib_fftw3_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5572,43 +5209,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_fftw3_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_fftw3_main=no
+ac_cv_lib_fftw3_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_fftw3_main" >&5
-echo "${ECHO_T}$ac_cv_lib_fftw3_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_fftw3_main" >&5
+echo "${ECHO_T}$ac_cv_lib_fftw3_main" >&6
 if test $ac_cv_lib_fftw3_main = yes; then
   FFTW3="yes"
 else
@@ -5654,8 +5294,8 @@ if test "x${ZLIB}" = "xyes"; then
     if test "x${HDF5_PREFIX}" != "x"; then
       LDFLAGS="-L${HDF5_PREFIX}/lib ${LDFLAGS}"
     fi
-    { echo "$as_me:$LINENO: checking for main in -lhdf5" >&5
-echo $ECHO_N "checking for main in -lhdf5... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for main in -lhdf5" >&5
+echo $ECHO_N "checking for main in -lhdf5... $ECHO_C" >&6
 if test "${ac_cv_lib_hdf5_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5672,43 +5312,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_hdf5_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_hdf5_main=no
+ac_cv_lib_hdf5_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_hdf5_main" >&5
-echo "${ECHO_T}$ac_cv_lib_hdf5_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_hdf5_main" >&5
+echo "${ECHO_T}$ac_cv_lib_hdf5_main" >&6
 if test $ac_cv_lib_hdf5_main = yes; then
   HDF5="yes"
 else
@@ -5731,8 +5374,8 @@ if test "x${HDF5}" = "xyes"; then
     if test "x${MED_PREFIX}" != "x"; then
       LDFLAGS="-L${MED_PREFIX}/lib ${LDFLAGS}"
     fi
-    { echo "$as_me:$LINENO: checking for main in -lmed" >&5
-echo $ECHO_N "checking for main in -lmed... $ECHO_C" >&6; }
+    echo "$as_me:$LINENO: checking for main in -lmed" >&5
+echo $ECHO_N "checking for main in -lmed... $ECHO_C" >&6
 if test "${ac_cv_lib_med_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -5749,43 +5392,46 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-return main ();
+main ();
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_lib_med_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_med_main=no
+ac_cv_lib_med_main=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_med_main" >&5
-echo "${ECHO_T}$ac_cv_lib_med_main" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_lib_med_main" >&5
+echo "${ECHO_T}$ac_cv_lib_med_main" >&6
 if test $ac_cv_lib_med_main = yes; then
   MED="yes"
 else
@@ -5847,6 +5493,7 @@ case "$UNAME" in
     if test "x$enable_gui" = "xno"; then
       GMSH_LIBS="${GMSH_LIBS} -framework ApplicationServices"
     fi
+    POSTBUILD="/Developer/Tools/Rez -t APPL -o bin/gmsh Fltk/MacRes.r"
     ;;
 
   AIX*)
@@ -5883,13 +5530,13 @@ case "$UNAME" in
 
 esac
 
-ac_ext=cpp
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-{ echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5
-echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5
+echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6
 if test -z "$CXXCPP"; then
   if test "${ac_cv_prog_CXXCPP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5919,22 +5566,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
@@ -5943,10 +5592,9 @@ sed 's/^/| /' conftest.$ac_ext >&5
   # Broken: fails on valid input.
 continue
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether nonexistent headers
+  # OK, works on sane cases.  Now check whether non-existent headers
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -5956,22 +5604,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
@@ -5982,7 +5632,6 @@ sed 's/^/| /' conftest.$ac_ext >&5
 ac_preproc_ok=:
 break
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
 done
@@ -6000,8 +5649,8 @@ fi
 else
   ac_cv_prog_CXXCPP=$CXXCPP
 fi
-{ echo "$as_me:$LINENO: result: $CXXCPP" >&5
-echo "${ECHO_T}$CXXCPP" >&6; }
+echo "$as_me:$LINENO: result: $CXXCPP" >&5
+echo "${ECHO_T}$CXXCPP" >&6
 ac_preproc_ok=false
 for ac_cxx_preproc_warn_flag in '' yes
 do
@@ -6024,22 +5673,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
@@ -6048,10 +5699,9 @@ sed 's/^/| /' conftest.$ac_ext >&5
   # Broken: fails on valid input.
 continue
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
-  # OK, works on sane cases.  Now check whether nonexistent headers
+  # OK, works on sane cases.  Now check whether non-existent headers
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -6061,22 +5711,24 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
@@ -6087,7 +5739,6 @@ sed 's/^/| /' conftest.$ac_ext >&5
 ac_preproc_ok=:
 break
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
 done
@@ -6103,177 +5754,30 @@ See \`config.log' for more details." >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-ac_ext=cpp
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
-{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
-echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  # Extract the first word of "grep ggrep" to use in msg output
-if test -z "$GREP"; then
-set dummy grep ggrep; ac_prog_name=$2
-if test "${ac_cv_path_GREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_path_GREP_found=false
-# Loop through the user's path and test for each of PROGNAME-LIST
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_prog in grep ggrep; do
-  for ac_exec_ext in '' $ac_executable_extensions; do
-    ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-    { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
-    # Check for GNU ac_path_GREP and select it if it is found.
-  # Check for GNU $ac_path_GREP
-case `"$ac_path_GREP" --version 2>&1` in
-*GNU*)
-  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
-*)
-  ac_count=0
-  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
-  while :
-  do
-    cat "conftest.in" "conftest.in" >"conftest.tmp"
-    mv "conftest.tmp" "conftest.in"
-    cp "conftest.in" "conftest.nl"
-    echo 'GREP' >> "conftest.nl"
-    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
-    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
-    if test $ac_count -gt ${ac_path_GREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_GREP="$ac_path_GREP"
-      ac_path_GREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
-
-    $ac_path_GREP_found && break 3
-  done
-done
-
-done
-IFS=$as_save_IFS
-
-
-fi
-
-GREP="$ac_cv_path_GREP"
-if test -z "$GREP"; then
-  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-else
-  ac_cv_path_GREP=$GREP
-fi
-
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
-echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
-
-
-{ echo "$as_me:$LINENO: checking for egrep" >&5
-echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
-   then ac_cv_path_EGREP="$GREP -E"
-   else
-     # Extract the first word of "egrep" to use in msg output
-if test -z "$EGREP"; then
-set dummy egrep; ac_prog_name=$2
-if test "${ac_cv_path_EGREP+set}" = set; then
+echo "$as_me:$LINENO: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6
+if test "${ac_cv_prog_egrep+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_path_EGREP_found=false
-# Loop through the user's path and test for each of PROGNAME-LIST
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_prog in egrep; do
-  for ac_exec_ext in '' $ac_executable_extensions; do
-    ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-    { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
-    # Check for GNU ac_path_EGREP and select it if it is found.
-  # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in
-*GNU*)
-  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
-*)
-  ac_count=0
-  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
-  while :
-  do
-    cat "conftest.in" "conftest.in" >"conftest.tmp"
-    mv "conftest.tmp" "conftest.in"
-    cp "conftest.in" "conftest.nl"
-    echo 'EGREP' >> "conftest.nl"
-    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
-    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
-    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_EGREP="$ac_path_EGREP"
-      ac_path_EGREP_max=$ac_count
+  if echo a | (grep -E '(a|b)') >/dev/null 2>&1
+    then ac_cv_prog_egrep='grep -E'
+    else ac_cv_prog_egrep='egrep'
     fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
-
-    $ac_path_EGREP_found && break 3
-  done
-done
-
-done
-IFS=$as_save_IFS
-
-
-fi
-
-EGREP="$ac_cv_path_EGREP"
-if test -z "$EGREP"; then
-  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-else
-  ac_cv_path_EGREP=$EGREP
-fi
-
-
-   fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
-echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
- EGREP="$ac_cv_path_EGREP"
+echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
+echo "${ECHO_T}$ac_cv_prog_egrep" >&6
+ EGREP=$ac_cv_prog_egrep
 
 
-{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5
-echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
 if test "${ac_cv_header_stdc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -6297,31 +5801,35 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_header_stdc=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_header_stdc=no
+ac_cv_header_stdc=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
@@ -6377,7 +5885,6 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ctype.h>
-#include <stdlib.h>
 #if ((' ' & 0x0FF) == 0x020)
 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
@@ -6397,27 +5904,18 @@ main ()
   for (i = 0; i < 256; i++)
     if (XOR (islower (i), ISLOWER (i))
 	|| toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
+      exit(2);
+  exit (0);
 }
 _ACEOF
 rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
@@ -6430,14 +5928,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 ( exit $ac_status )
 ac_cv_header_stdc=no
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
-
-
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6
 if test $ac_cv_header_stdc = yes; then
 
 cat >>confdefs.h <<\_ACEOF
@@ -6460,9 +5956,9 @@ for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 		  inttypes.h stdint.h unistd.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-{ echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -6476,35 +5972,38 @@ $ac_includes_default
 #include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	eval "$as_ac_Header=no"
+eval "$as_ac_Header=no"
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-ac_res=`eval echo '${'$as_ac_Header'}'`
-	       { echo "$as_me:$LINENO: result: $ac_res" >&5
-echo "${ECHO_T}$ac_res" >&6; }
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
 if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
@@ -6515,8 +6014,8 @@ fi
 done
 
 
-{ echo "$as_me:$LINENO: checking for size_t" >&5
-echo $ECHO_N "checking for size_t... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking for size_t" >&5
+echo $ECHO_N "checking for size_t... $ECHO_C" >&6
 if test "${ac_cv_type_size_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -6527,57 +6026,61 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-typedef size_t ac__type_new_;
 int
 main ()
 {
-if ((ac__type_new_ *) 0)
+if ((size_t *) 0)
   return 0;
-if (sizeof (ac__type_new_))
+if (sizeof (size_t))
   return 0;
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_type_size_t=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_type_size_t=no
+ac_cv_type_size_t=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
-echo "${ECHO_T}$ac_cv_type_size_t" >&6; }
+echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
+echo "${ECHO_T}$ac_cv_type_size_t" >&6
 
-# The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ echo "$as_me:$LINENO: checking size of size_t" >&5
-echo $ECHO_N "checking size of size_t... $ECHO_C" >&6; }
+echo "$as_me:$LINENO: checking size of size_t" >&5
+echo $ECHO_N "checking size of size_t... $ECHO_C" >&6
 if test "${ac_cv_sizeof_size_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
+  if test "$ac_cv_type_size_t" = yes; then
+  # The cast to unsigned long works around a bug in the HP C Compiler
+  # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+  # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+  # This bug is HP SR number 8606223364.
   if test "$cross_compiling" = yes; then
   # Depending upon the size, compute the lo and hi bounds.
 cat >conftest.$ac_ext <<_ACEOF
@@ -6587,11 +6090,10 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef size_t ac__type_sizeof_;
 int
 main ()
 {
-static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) >= 0)];
+static int test_array [1 - 2 * !(((long) (sizeof (size_t))) >= 0)];
 test_array [0] = 0
 
   ;
@@ -6599,22 +6101,27 @@ test_array [0] = 0
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_lo=0 ac_mid=0
   while :; do
     cat >conftest.$ac_ext <<_ACEOF
@@ -6624,11 +6131,10 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef size_t ac__type_sizeof_;
 int
 main ()
 {
-static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) <= $ac_mid)];
+static int test_array [1 - 2 * !(((long) (sizeof (size_t))) <= $ac_mid)];
 test_array [0] = 0
 
   ;
@@ -6636,53 +6142,56 @@ test_array [0] = 0
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_hi=$ac_mid; break
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_lo=`expr $ac_mid + 1`
-			if test $ac_lo -le $ac_mid; then
-			  ac_lo= ac_hi=
-			  break
-			fi
-			ac_mid=`expr 2 '*' $ac_mid + 1`
+ac_lo=`expr $ac_mid + 1`
+		    if test $ac_lo -le $ac_mid; then
+		      ac_lo= ac_hi=
+		      break
+		    fi
+		    ac_mid=`expr 2 '*' $ac_mid + 1`
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
   done
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	cat >conftest.$ac_ext <<_ACEOF
+cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef size_t ac__type_sizeof_;
 int
 main ()
 {
-static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) < 0)];
+static int test_array [1 - 2 * !(((long) (sizeof (size_t))) < 0)];
 test_array [0] = 0
 
   ;
@@ -6690,22 +6199,27 @@ test_array [0] = 0
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_hi=-1 ac_mid=-1
   while :; do
     cat >conftest.$ac_ext <<_ACEOF
@@ -6715,11 +6229,10 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef size_t ac__type_sizeof_;
 int
 main ()
 {
-static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) >= $ac_mid)];
+static int test_array [1 - 2 * !(((long) (sizeof (size_t))) >= $ac_mid)];
 test_array [0] = 0
 
   ;
@@ -6727,48 +6240,50 @@ test_array [0] = 0
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_lo=$ac_mid; break
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_hi=`expr '(' $ac_mid ')' - 1`
-			if test $ac_mid -le $ac_hi; then
-			  ac_lo= ac_hi=
-			  break
-			fi
-			ac_mid=`expr 2 '*' $ac_mid`
+ac_hi=`expr '(' $ac_mid ')' - 1`
+		       if test $ac_mid -le $ac_hi; then
+			 ac_lo= ac_hi=
+			 break
+		       fi
+		       ac_mid=`expr 2 '*' $ac_mid`
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
   done
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_lo= ac_hi=
+ac_lo= ac_hi=
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 # Binary search between lo and hi bounds.
 while test "x$ac_lo" != "x$ac_hi"; do
   ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
@@ -6779,11 +6294,10 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef size_t ac__type_sizeof_;
 int
 main ()
 {
-static int test_array [1 - 2 * !(((long int) (sizeof (ac__type_sizeof_))) <= $ac_mid)];
+static int test_array [1 - 2 * !(((long) (sizeof (size_t))) <= $ac_mid)];
 test_array [0] = 0
 
   ;
@@ -6791,44 +6305,51 @@ test_array [0] = 0
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_hi=$ac_mid
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_lo=`expr '(' $ac_mid ')' + 1`
+ac_lo=`expr '(' $ac_mid ')' + 1`
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 case $ac_lo in
 ?*) ac_cv_sizeof_size_t=$ac_lo;;
-'') if test "$ac_cv_type_size_t" = yes; then
-     { { echo "$as_me:$LINENO: error: cannot compute sizeof (size_t)
+'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (size_t), 77
 See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute sizeof (size_t)
+echo "$as_me: error: cannot compute sizeof (size_t), 77
 See \`config.log' for more details." >&2;}
-   { (exit 77); exit 77; }; }
-   else
-     ac_cv_sizeof_size_t=0
-   fi ;;
+   { (exit 1); exit 1; }; } ;;
 esac
+else
+  if test "$cross_compiling" = yes; then
+  { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 else
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -6837,9 +6358,8 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-   typedef size_t ac__type_sizeof_;
-static long int longval () { return (long int) (sizeof (ac__type_sizeof_)); }
-static unsigned long int ulongval () { return (long int) (sizeof (ac__type_sizeof_)); }
+long longval () { return (long) (sizeof (size_t)); }
+unsigned long ulongval () { return (long) (sizeof (size_t)); }
 #include <stdio.h>
 #include <stdlib.h>
 int
@@ -6848,44 +6368,35 @@ main ()
 
   FILE *f = fopen ("conftest.val", "w");
   if (! f)
-    return 1;
-  if (((long int) (sizeof (ac__type_sizeof_))) < 0)
+    exit (1);
+  if (((long) (sizeof (size_t))) < 0)
     {
-      long int i = longval ();
-      if (i != ((long int) (sizeof (ac__type_sizeof_))))
-	return 1;
+      long i = longval ();
+      if (i != ((long) (sizeof (size_t))))
+	exit (1);
       fprintf (f, "%ld\n", i);
     }
   else
     {
-      unsigned long int i = ulongval ();
-      if (i != ((long int) (sizeof (ac__type_sizeof_))))
-	return 1;
+      unsigned long i = ulongval ();
+      if (i != ((long) (sizeof (size_t))))
+	exit (1);
       fprintf (f, "%lu\n", i);
     }
-  return ferror (f) || fclose (f) != 0;
+  exit (ferror (f) || fclose (f) != 0);
 
   ;
   return 0;
 }
 _ACEOF
 rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
@@ -6896,25 +6407,22 @@ echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 ( exit $ac_status )
-if test "$ac_cv_type_size_t" = yes; then
-     { { echo "$as_me:$LINENO: error: cannot compute sizeof (size_t)
+{ { echo "$as_me:$LINENO: error: cannot compute sizeof (size_t), 77
 See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute sizeof (size_t)
+echo "$as_me: error: cannot compute sizeof (size_t), 77
 See \`config.log' for more details." >&2;}
-   { (exit 77); exit 77; }; }
-   else
-     ac_cv_sizeof_size_t=0
-   fi
+   { (exit 1); exit 1; }; }
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 rm -f conftest.val
+else
+  ac_cv_sizeof_size_t=0
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_sizeof_size_t" >&5
-echo "${ECHO_T}$ac_cv_sizeof_size_t" >&6; }
-
-
-
+fi
+echo "$as_me:$LINENO: result: $ac_cv_sizeof_size_t" >&5
+echo "${ECHO_T}$ac_cv_sizeof_size_t" >&6
 cat >>confdefs.h <<_ACEOF
 #define SIZEOF_SIZE_T $ac_cv_sizeof_size_t
 _ACEOF
@@ -6937,8 +6445,8 @@ fi
 
 
 
-ac_config_files="$ac_config_files variables"
 
+          ac_config_files="$ac_config_files variables"
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -6957,58 +6465,39 @@ _ACEOF
 
 # The following way of writing the cache mishandles newlines in values,
 # but we know of no workaround that is simple, portable, and efficient.
-# So, we kill variables containing newlines.
+# So, don't put newlines in cache variables' values.
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
-(
-  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
-    eval ac_val=\$$ac_var
-    case $ac_val in #(
-    *${as_nl}*)
-      case $ac_var in #(
-      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
-echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
-      esac
-      case $ac_var in #(
-      _ | IFS | as_nl) ;; #(
-      *) $as_unset $ac_var ;;
-      esac ;;
-    esac
-  done
-
+{
   (set) 2>&1 |
-    case $as_nl`(ac_space=' '; set) 2>&1` in #(
-    *${as_nl}ac_space=\ *)
+    case `(ac_space=' '; set | grep ac_space) 2>&1` in
+    *ac_space=\ *)
       # `set' does not quote correctly, so add quotes (double-quote
       # substitution turns \\\\ into \\, and sed turns \\ into \).
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
-      ;; #(
+      ;;
     *)
       # `set' quotes correctly as required by POSIX, so do not add quotes.
-      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      sed -n \
+	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
       ;;
-    esac |
-    sort
-) |
+    esac;
+} |
   sed '
-     /^ac_cv_env_/b end
      t clear
-     :clear
+     : clear
      s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
      t end
-     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
-     :end' >>confcache
-if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
-  if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
-      { echo "$as_me:$LINENO: updating cache $cache_file" >&5
-echo "$as_me: updating cache $cache_file" >&6;}
+     /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     : end' >>confcache
+if diff $cache_file confcache >/dev/null 2>&1; then :; else
+  if test -w $cache_file; then
+    test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
     cat confcache >$cache_file
   else
-    { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
-echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+    echo "not updating unwritable cache $cache_file"
   fi
 fi
 rm -f confcache
@@ -7017,48 +6506,63 @@ test "x$prefix" = xNONE && prefix=$ac_default_prefix
 # Let make expand exec_prefix.
 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/;
+s/:*\${srcdir}:*/:/;
+s/:*@srcdir@:*/:/;
+s/^\([^=]*=[	 ]*\):*/\1/;
+s/:*$//;
+s/^[^=]*=[	 ]*$//;
+}'
+fi
+
 # Transform confdefs.h into DEFS.
 # Protect against shell expansion while executing Makefile rules.
 # Protect against Makefile macro expansion.
 #
 # If the first sed substitution is executed (which looks for macros that
-# take arguments), then branch to the quote section.  Otherwise,
+# take arguments), then we branch to the quote section.  Otherwise,
 # look for a macro that doesn't take arguments.
-ac_script='
+cat >confdef2opt.sed <<\_ACEOF
 t clear
-:clear
-s/^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 (][^	 (]*([^)]*)\)[	 ]*\(.*\)/-D\1=\2/g
+: clear
+s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 (][^	 (]*([^)]*)\)[	 ]*\(.*\),-D\1=\2,g
 t quote
-s/^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 ][^	 ]*\)[	 ]*\(.*\)/-D\1=\2/g
+s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 ][^	 ]*\)[	 ]*\(.*\),-D\1=\2,g
 t quote
-b any
-:quote
-s/[	 `~#$^&*(){}\\|;'\''"<>?]/\\&/g
-s/\[/\\&/g
-s/\]/\\&/g
-s/\$/$$/g
-H
-:any
-${
-	g
-	s/^\n//
-	s/\n/ /g
-	p
-}
-'
-DEFS=`sed -n "$ac_script" confdefs.h`
+d
+: quote
+s,[	 `~#$^&*(){}\\|;'"<>?],\\&,g
+s,\[,\\&,g
+s,\],\\&,g
+s,\$,$$,g
+p
+_ACEOF
+# We use echo to avoid assuming a particular line-breaking character.
+# The extra dot is to prevent the shell from consuming trailing
+# line-breaks from the sub-command output.  A line-break within
+# single-quotes doesn't work because, if this script is created in a
+# platform that uses two characters for line-breaks (e.g., DOS), tr
+# would break.
+ac_LF_and_DOT=`echo; echo .`
+DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'`
+rm -f confdef2opt.sed
 
 
 ac_libobjs=
 ac_ltlibobjs=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
-  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`echo "$ac_i" | sed "$ac_script"`
-  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
-  #    will be set to the directory where LIBOBJS objects are built.
-  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+  ac_i=`echo "$ac_i" |
+	 sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
+  # 2. Add them.
+  ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -7089,45 +6593,17 @@ cat >>$CONFIG_STATUS <<\_ACEOF
 ## M4sh Initialization.  ##
 ## --------------------- ##
 
-# Be more Bourne compatible
-DUALCASE=1; export DUALCASE # for MKS sh
+# Be Bourne compatible
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
   # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
-fi
-
-
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
-  else
-    PATH_SEPARATOR=:
-  fi
-  rm -f conf$$.sh
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+  set -o posix
 fi
+DUALCASE=1; export DUALCASE # for MKS sh
 
 # Support unset when possible.
 if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
@@ -7137,43 +6613,8 @@ else
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-as_nl='
-'
-IFS=" ""	$as_nl"
-
-# Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
-  *[\\/]* ) as_myself=$0 ;;
-  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
-IFS=$as_save_IFS
-
-     ;;
-esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
-# in which case we are not to be found in the path.
-if test "x$as_myself" = x; then
-  as_myself=$0
-fi
-if test ! -f "$as_myself"; then
-  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
-fi
-
 # Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-done
+$as_unset ENV MAIL MAILPATH
 PS1='$ '
 PS2='> '
 PS4='+ '
@@ -7187,19 +6628,18 @@ do
   if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
     eval $as_var=C; export $as_var
   else
-    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+    $as_unset $as_var
   fi
 done
 
 # Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+if expr a : '\(a\)' >/dev/null 2>&1; then
   as_expr=expr
 else
   as_expr=false
 fi
 
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
   as_basename=basename
 else
   as_basename=false
@@ -7207,120 +6647,159 @@ fi
 
 
 # Name of the executable.
-as_me=`$as_basename -- "$0" ||
+as_me=`$as_basename "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+	 X"$0" : 'X\(/\)$' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
+    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
+  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\/\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
 
-# CDPATH.
-$as_unset CDPATH
 
+# PATH needs CR, and LINENO needs CR and PATH.
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
+fi
 
 
   as_lineno_1=$LINENO
   as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
   test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
+  # Find who we are.  Look in the path if we contain no path at all
+  # relative or not.
+  case $0 in
+    *[\\/]* ) as_myself=$0 ;;
+    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+
+       ;;
+  esac
+  # We did not find ourselves, most probably we were run as `sh COMMAND'
+  # in which case we are not to be found in the path.
+  if test "x$as_myself" = x; then
+    as_myself=$0
+  fi
+  if test ! -f "$as_myself"; then
+    { { echo "$as_me:$LINENO: error: cannot find myself; rerun with an absolute path" >&5
+echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+  case $CONFIG_SHELL in
+  '')
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for as_base in sh bash ksh sh5; do
+	 case $as_dir in
+	 /*)
+	   if ("$as_dir/$as_base" -c '
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
+	     $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
+	     $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
+	     CONFIG_SHELL=$as_dir/$as_base
+	     export CONFIG_SHELL
+	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
+	   fi;;
+	 esac
+       done
+done
+;;
+  esac
 
   # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
   # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
+  # line-number line before each line; the second 'sed' does the real
+  # work.  The second script uses 'N' to pair each line-number line
+  # with the numbered line, and appends trailing '-' during
+  # substitution so that $LINENO is not a special case at line end.
   # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
+  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
+  sed '=' <$as_myself |
     sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
       N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      s,$,-,
+      : loop
+      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
       t loop
-      s/-\n.*//
+      s,-$,,
+      s,^['$as_cr_digits']*\n,,
     ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+  chmod +x $as_me.lineno ||
+    { { echo "$as_me:$LINENO: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&5
+echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2;}
    { (exit 1); exit 1; }; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
+  # original and so on.  Autoconf is especially sensible to this).
+  . ./$as_me.lineno
   # Exit status is that of the last command.
   exit
 }
 
 
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
-ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
--n*)
-  case `echo 'x\c'` in
-  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
-  esac;;
-*)
-  ECHO_N='-n';;
+case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
+  *c*,-n*) ECHO_N= ECHO_C='
+' ECHO_T='	' ;;
+  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
+  *)       ECHO_N= ECHO_C='\c' ECHO_T= ;;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+if expr a : '\(a\)' >/dev/null 2>&1; then
   as_expr=expr
 else
   as_expr=false
 fi
 
 rm -f conf$$ conf$$.exe conf$$.file
-if test -d conf$$.dir; then
-  rm -f conf$$.dir/conf$$.file
-else
-  rm -f conf$$.dir
-  mkdir conf$$.dir
-fi
 echo >conf$$.file
 if ln -s conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s='ln -s'
-  # ... but there are two gotchas:
-  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-  # In both cases, we have to default to `cp -p'.
-  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+  # We could just check for DJGPP; but this test a) works b) is more generic
+  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
+  if test -f conf$$.exe; then
+    # Don't use ln at all; we don't have any links
     as_ln_s='cp -p'
+  else
+    as_ln_s='ln -s'
+  fi
 elif ln conf$$.file conf$$ 2>/dev/null; then
   as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
-rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
-rmdir conf$$.dir 2>/dev/null
+rm -f conf$$ conf$$.exe conf$$.file
 
 if mkdir -p . 2>/dev/null; then
   as_mkdir_p=:
@@ -7329,28 +6808,7 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-        test -d "$1/.";
-      else
-	case $1 in
-        -*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+as_executable_p="test -f"
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -7359,14 +6817,31 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
+# IFS
+# We need space, tab and new line, in precisely that order.
+as_nl='
+'
+IFS=" 	$as_nl"
+
+# CDPATH.
+$as_unset CDPATH
+
 exec 6>&1
 
-# Save the log message, to keep $[0] and so on meaningful, and to
+# Open the log real soon, to keep \$[0] and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
-# values after options handling.
-ac_log="
+# values after options handling.  Logging --version etc. is OK.
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+} >&5
+cat >&5 <<_CSEOF
+
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.61.  Invocation command line was
+generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -7374,18 +6849,30 @@ generated by GNU Autoconf 2.61.  Invocation command line was
   CONFIG_COMMANDS = $CONFIG_COMMANDS
   $ $0 $@
 
-on `(hostname || uname -n) 2>/dev/null | sed 1q`
-"
-
+_CSEOF
+echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5
+echo >&5
 _ACEOF
 
-cat >>$CONFIG_STATUS <<_ACEOF
 # Files that config.status was made for.
-config_files="$ac_config_files"
+if test -n "$ac_config_files"; then
+  echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS
+fi
 
-_ACEOF
+if test -n "$ac_config_headers"; then
+  echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_links"; then
+  echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_commands"; then
+  echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS
+fi
 
 cat >>$CONFIG_STATUS <<\_ACEOF
+
 ac_cs_usage="\
 \`$as_me' instantiates files from templates according to the
 current configuration.
@@ -7393,7 +6880,7 @@ current configuration.
 Usage: $0 [OPTIONS] [FILE]...
 
   -h, --help       print this help, then exit
-  -V, --version    print version number and configuration settings, then exit
+  -V, --version    print version number, then exit
   -q, --quiet      do not print progress messages
   -d, --debug      don't remove temporary files
       --recheck    update $as_me by reconfiguring in the same conditions
@@ -7404,20 +6891,18 @@ Configuration files:
 $config_files
 
 Report bugs to <bug-autoconf@gnu.org>."
-
 _ACEOF
+
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.61,
-  with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+configured by $0, generated by GNU Autoconf 2.59,
+  with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
-Copyright (C) 2006 Free Software Foundation, Inc.
+Copyright (C) 2003 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
-
-ac_pwd='$ac_pwd'
-srcdir='$srcdir'
+srcdir=$srcdir
 _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF
@@ -7428,42 +6913,60 @@ while test $# != 0
 do
   case $1 in
   --*=*)
-    ac_option=`expr "X$1" : 'X\([^=]*\)='`
-    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_option=`expr "x$1" : 'x\([^=]*\)='`
+    ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'`
     ac_shift=:
     ;;
-  *)
+  -*)
     ac_option=$1
     ac_optarg=$2
     ac_shift=shift
     ;;
+  *) # This is not an option, so the user has probably given explicit
+     # arguments.
+     ac_option=$1
+     ac_need_defaults=false;;
   esac
 
   case $ac_option in
   # Handling of the options.
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
-  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    echo "$ac_cs_version"; exit ;;
-  --debug | --debu | --deb | --de | --d | -d )
+  --version | --vers* | -V )
+    echo "$ac_cs_version"; exit 0 ;;
+  --he | --h)
+    # Conflict between --help and --header
+    { { echo "$as_me:$LINENO: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2;}
+   { (exit 1); exit 1; }; };;
+  --help | --hel | -h )
+    echo "$ac_cs_usage"; exit 0 ;;
+  --debug | --d* | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     CONFIG_FILES="$CONFIG_FILES $ac_optarg"
     ac_need_defaults=false;;
-  --he | --h |  --help | --hel | -h )
-    echo "$ac_cs_usage"; exit ;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
+    ac_need_defaults=false;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) { echo "$as_me: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&2
+  -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2;}
    { (exit 1); exit 1; }; } ;;
 
-  *) ac_config_targets="$ac_config_targets $1"
-     ac_need_defaults=false ;;
+  *) ac_config_targets="$ac_config_targets $1" ;;
 
   esac
   shift
@@ -7479,42 +6982,28 @@ fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 if \$ac_cs_recheck; then
-  echo "running CONFIG_SHELL=$SHELL $SHELL $0 "$ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
-  CONFIG_SHELL=$SHELL
-  export CONFIG_SHELL
-  exec $SHELL "$0"$ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
+  exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
-exec 5>>config.log
-{
-  echo
-  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
-## Running $as_me. ##
-_ASBOX
-  echo "$ac_log"
-} >&5
 
-_ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
-_ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
 
-# Handling of arguments.
+
+
+cat >>$CONFIG_STATUS <<\_ACEOF
 for ac_config_target in $ac_config_targets
 do
-  case $ac_config_target in
-    "variables") CONFIG_FILES="$CONFIG_FILES variables" ;;
-
+  case "$ac_config_target" in
+  # Handling of arguments.
+  "variables" ) CONFIG_FILES="$CONFIG_FILES variables" ;;
   *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
 echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
    { (exit 1); exit 1; }; };;
   esac
 done
 
-
 # If the user did not use the arguments to specify the items to instantiate,
 # then the envvar interface is used.  Set only those that are not.
 # We use the long form for the default assignment because of an extremely
@@ -7524,376 +7013,310 @@ if $ac_need_defaults; then
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
-# simply because there is no reason against having it here, and in addition,
+# simply because there is no reason to put it here, and in addition,
 # creating and moving files from /tmp can sometimes cause problems.
-# Hook for its removal unless debugging.
-# Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to `$tmp'.
+# Create a temporary directory, and hook for its removal unless debugging.
 $debug ||
 {
-  tmp=
-  trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
-' 0
+  trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
   trap '{ (exit 1); exit 1; }' 1 2 13 15
 }
+
 # Create a (secure) tmp directory for tmp files.
 
 {
-  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
   test -n "$tmp" && test -d "$tmp"
 }  ||
 {
-  tmp=./conf$$-$RANDOM
-  (umask 077 && mkdir "$tmp")
+  tmp=./confstat$$-$RANDOM
+  (umask 077 && mkdir $tmp)
 } ||
 {
    echo "$me: cannot create a temporary directory in ." >&2
    { (exit 1); exit 1; }
 }
 
+_ACEOF
+
+cat >>$CONFIG_STATUS <<_ACEOF
+
 #
-# Set up the sed scripts for CONFIG_FILES section.
+# CONFIG_FILES section.
 #
 
 # No need to generate the scripts if there are no CONFIG_FILES.
 # This happens for instance when ./config.status config.h
-if test -n "$CONFIG_FILES"; then
-
-_ACEOF
-
-
-
-ac_delim='%!_!# '
-for ac_last_try in false false false false false :; do
-  cat >conf$$subs.sed <<_ACEOF
-SHELL!$SHELL$ac_delim
-PATH_SEPARATOR!$PATH_SEPARATOR$ac_delim
-PACKAGE_NAME!$PACKAGE_NAME$ac_delim
-PACKAGE_TARNAME!$PACKAGE_TARNAME$ac_delim
-PACKAGE_VERSION!$PACKAGE_VERSION$ac_delim
-PACKAGE_STRING!$PACKAGE_STRING$ac_delim
-PACKAGE_BUGREPORT!$PACKAGE_BUGREPORT$ac_delim
-exec_prefix!$exec_prefix$ac_delim
-prefix!$prefix$ac_delim
-program_transform_name!$program_transform_name$ac_delim
-bindir!$bindir$ac_delim
-sbindir!$sbindir$ac_delim
-libexecdir!$libexecdir$ac_delim
-datarootdir!$datarootdir$ac_delim
-datadir!$datadir$ac_delim
-sysconfdir!$sysconfdir$ac_delim
-sharedstatedir!$sharedstatedir$ac_delim
-localstatedir!$localstatedir$ac_delim
-includedir!$includedir$ac_delim
-oldincludedir!$oldincludedir$ac_delim
-docdir!$docdir$ac_delim
-infodir!$infodir$ac_delim
-htmldir!$htmldir$ac_delim
-dvidir!$dvidir$ac_delim
-pdfdir!$pdfdir$ac_delim
-psdir!$psdir$ac_delim
-libdir!$libdir$ac_delim
-localedir!$localedir$ac_delim
-mandir!$mandir$ac_delim
-DEFS!$DEFS$ac_delim
-ECHO_C!$ECHO_C$ac_delim
-ECHO_N!$ECHO_N$ac_delim
-ECHO_T!$ECHO_T$ac_delim
-LIBS!$LIBS$ac_delim
-build_alias!$build_alias$ac_delim
-host_alias!$host_alias$ac_delim
-target_alias!$target_alias$ac_delim
-CC!$CC$ac_delim
-CFLAGS!$CFLAGS$ac_delim
-LDFLAGS!$LDFLAGS$ac_delim
-CPPFLAGS!$CPPFLAGS$ac_delim
-ac_ct_CC!$ac_ct_CC$ac_delim
-EXEEXT!$EXEEXT$ac_delim
-OBJEXT!$OBJEXT$ac_delim
-CXX!$CXX$ac_delim
-CXXFLAGS!$CXXFLAGS$ac_delim
-ac_ct_CXX!$ac_ct_CXX$ac_delim
-CPP!$CPP$ac_delim
-RANLIB!$RANLIB$ac_delim
-AR!$AR$ac_delim
-FLTKCONFIG!$FLTKCONFIG$ac_delim
-F77!$F77$ac_delim
-FFLAGS!$FFLAGS$ac_delim
-ac_ct_F77!$ac_ct_F77$ac_delim
-CXXCPP!$CXXCPP$ac_delim
-GREP!$GREP$ac_delim
-EGREP!$EGREP$ac_delim
-UNAME!$UNAME$ac_delim
-HOSTNAME!$HOSTNAME$ac_delim
-FLAGS!$FLAGS$ac_delim
-OPTIM!$OPTIM$ac_delim
-LINKER!$LINKER$ac_delim
-GMSH_DIRS!$GMSH_DIRS$ac_delim
-GMSH_LIBS!$GMSH_LIBS$ac_delim
-LIBOBJS!$LIBOBJS$ac_delim
-LTLIBOBJS!$LTLIBOBJS$ac_delim
-_ACEOF
-
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 66; then
-    break
-  elif $ac_last_try; then
-    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
-  else
-    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+if test -n "\$CONFIG_FILES"; then
+  # Protect against being on the right side of a sed subst in config.status.
+  sed 's/,@/@@/; s/@,/@@/; s/,;t t\$/@;t t/; /@;t t\$/s/[\\\\&,]/\\\\&/g;
+   s/@@/,@/; s/@@/@,/; s/@;t t\$/,;t t/' >\$tmp/subs.sed <<\\CEOF
+s,@SHELL@,$SHELL,;t t
+s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;t t
+s,@PACKAGE_NAME@,$PACKAGE_NAME,;t t
+s,@PACKAGE_TARNAME@,$PACKAGE_TARNAME,;t t
+s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t
+s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t
+s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t
+s,@exec_prefix@,$exec_prefix,;t t
+s,@prefix@,$prefix,;t t
+s,@program_transform_name@,$program_transform_name,;t t
+s,@bindir@,$bindir,;t t
+s,@sbindir@,$sbindir,;t t
+s,@libexecdir@,$libexecdir,;t t
+s,@datadir@,$datadir,;t t
+s,@sysconfdir@,$sysconfdir,;t t
+s,@sharedstatedir@,$sharedstatedir,;t t
+s,@localstatedir@,$localstatedir,;t t
+s,@libdir@,$libdir,;t t
+s,@includedir@,$includedir,;t t
+s,@oldincludedir@,$oldincludedir,;t t
+s,@infodir@,$infodir,;t t
+s,@mandir@,$mandir,;t t
+s,@build_alias@,$build_alias,;t t
+s,@host_alias@,$host_alias,;t t
+s,@target_alias@,$target_alias,;t t
+s,@DEFS@,$DEFS,;t t
+s,@ECHO_C@,$ECHO_C,;t t
+s,@ECHO_N@,$ECHO_N,;t t
+s,@ECHO_T@,$ECHO_T,;t t
+s,@LIBS@,$LIBS,;t t
+s,@CC@,$CC,;t t
+s,@CFLAGS@,$CFLAGS,;t t
+s,@LDFLAGS@,$LDFLAGS,;t t
+s,@CPPFLAGS@,$CPPFLAGS,;t t
+s,@ac_ct_CC@,$ac_ct_CC,;t t
+s,@EXEEXT@,$EXEEXT,;t t
+s,@OBJEXT@,$OBJEXT,;t t
+s,@CXX@,$CXX,;t t
+s,@CXXFLAGS@,$CXXFLAGS,;t t
+s,@ac_ct_CXX@,$ac_ct_CXX,;t t
+s,@CPP@,$CPP,;t t
+s,@RANLIB@,$RANLIB,;t t
+s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
+s,@AR@,$AR,;t t
+s,@FLTKCONFIG@,$FLTKCONFIG,;t t
+s,@F77@,$F77,;t t
+s,@FFLAGS@,$FFLAGS,;t t
+s,@ac_ct_F77@,$ac_ct_F77,;t t
+s,@CXXCPP@,$CXXCPP,;t t
+s,@EGREP@,$EGREP,;t t
+s,@UNAME@,$UNAME,;t t
+s,@HOSTNAME@,$HOSTNAME,;t t
+s,@FLAGS@,$FLAGS,;t t
+s,@OPTIM@,$OPTIM,;t t
+s,@LINKER@,$LINKER,;t t
+s,@GMSH_DIRS@,$GMSH_DIRS,;t t
+s,@GMSH_LIBS@,$GMSH_LIBS,;t t
+s,@POSTBUILD@,$POSTBUILD,;t t
+s,@LIBOBJS@,$LIBOBJS,;t t
+s,@LTLIBOBJS@,$LTLIBOBJS,;t t
+CEOF
+
+_ACEOF
+
+  cat >>$CONFIG_STATUS <<\_ACEOF
+  # Split the substitutions into bite-sized pieces for seds with
+  # small command number limits, like on Digital OSF/1 and HP-UX.
+  ac_max_sed_lines=48
+  ac_sed_frag=1 # Number of current file.
+  ac_beg=1 # First line for current file.
+  ac_end=$ac_max_sed_lines # Line after last line for current file.
+  ac_more_lines=:
+  ac_sed_cmds=
+  while $ac_more_lines; do
+    if test $ac_beg -gt 1; then
+      sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+    else
+      sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+    fi
+    if test ! -s $tmp/subs.frag; then
+      ac_more_lines=false
+    else
+      # The purpose of the label and of the branching condition is to
+      # speed up the sed processing (if there are no `@' at all, there
+      # is no need to browse any of the substitutions).
+      # These are the two extra sed commands mentioned above.
+      (echo ':t
+  /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
+      if test -z "$ac_sed_cmds"; then
+	ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
+      else
+	ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
+      fi
+      ac_sed_frag=`expr $ac_sed_frag + 1`
+      ac_beg=$ac_end
+      ac_end=`expr $ac_end + $ac_max_sed_lines`
+    fi
+  done
+  if test -z "$ac_sed_cmds"; then
+    ac_sed_cmds=cat
   fi
-done
-
-ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
-if test -n "$ac_eof"; then
-  ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
-  ac_eof=`expr $ac_eof + 1`
-fi
+fi # test -n "$CONFIG_FILES"
 
-cat >>$CONFIG_STATUS <<_ACEOF
-cat >"\$tmp/subs-1.sed" <<\CEOF$ac_eof
-/@[a-zA-Z_][a-zA-Z_0-9]*@/!b end
-_ACEOF
-sed '
-s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
-s/^/s,@/; s/!/@,|#_!!_#|/
-:n
-t n
-s/'"$ac_delim"'$/,g/; t
-s/$/\\/; p
-N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
-' >>$CONFIG_STATUS <conf$$subs.sed
-rm -f conf$$subs.sed
-cat >>$CONFIG_STATUS <<_ACEOF
-:end
-s/|#_!!_#|//g
-CEOF$ac_eof
 _ACEOF
-
-
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
-# trailing colons and then remove the whole line if VPATH becomes empty
-# (actually we leave an empty line to preserve line numbers).
-if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
-s/:*$//
-s/^[^=]*=[	 ]*$//
-}'
-fi
-
 cat >>$CONFIG_STATUS <<\_ACEOF
-fi # test -n "$CONFIG_FILES"
-
-
-for ac_tag in  :F $CONFIG_FILES
-do
-  case $ac_tag in
-  :[FHLC]) ac_mode=$ac_tag; continue;;
-  esac
-  case $ac_mode$ac_tag in
-  :[FHL]*:*);;
-  :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
-echo "$as_me: error: Invalid tag $ac_tag." >&2;}
-   { (exit 1); exit 1; }; };;
-  :[FH]-) ac_tag=-:-;;
-  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
-  esac
-  ac_save_IFS=$IFS
-  IFS=:
-  set x $ac_tag
-  IFS=$ac_save_IFS
-  shift
-  ac_file=$1
-  shift
-
-  case $ac_mode in
-  :L) ac_source=$1;;
-  :[FH])
-    ac_file_inputs=
-    for ac_f
-    do
-      case $ac_f in
-      -) ac_f="$tmp/stdin";;
-      *) # Look for the file first in the build tree, then in the source tree
-	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain `:'.
-	 test -f "$ac_f" ||
-	   case $ac_f in
-	   [\\/$]*) false;;
-	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
-	   esac ||
-	   { { echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
-echo "$as_me: error: cannot find input file: $ac_f" >&2;}
-   { (exit 1); exit 1; }; };;
-      esac
-      ac_file_inputs="$ac_file_inputs $ac_f"
-    done
-
-    # Let's still pretend it is `configure' which instantiates (i.e., don't
-    # use $as_me), people would be surprised to read:
-    #    /* config.h.  Generated by config.status.  */
-    configure_input="Generated from "`IFS=:
-	  echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure."
-    if test x"$ac_file" != x-; then
-      configure_input="$ac_file.  $configure_input"
-      { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-    fi
-
-    case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin";;
-    esac
-    ;;
+for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
+  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
+  case $ac_file in
+  - | *:- | *:-:* ) # input from stdin
+	cat >$tmp/stdin
+	ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+  *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+  * )   ac_file_in=$ac_file.in ;;
   esac
 
-  ac_dir=`$as_dirname -- "$ac_file" ||
+  # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
+  ac_dir=`(dirname "$ac_file") 2>/dev/null ||
 $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+	 X"$ac_file" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-  { as_dir="$ac_dir"
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+  	  /^X\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
+  { if $as_mkdir_p; then
+    mkdir -p "$ac_dir"
+  else
+    as_dir="$ac_dir"
     as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
+    while test ! -d "$as_dir"; do
+      as_dirs="$as_dir $as_dirs"
+      as_dir=`(dirname "$as_dir") 2>/dev/null ||
 $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+	 X"$as_dir" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      test -d "$as_dir" && break
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+  	  /^X\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
     done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
-echo "$as_me: error: cannot create directory $as_dir" >&2;}
+    test ! -n "$as_dirs" || mkdir $as_dirs
+  fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
+echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
    { (exit 1); exit 1; }; }; }
+
   ac_builddir=.
 
-case "$ac_dir" in
-.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
-*)
+if test "$ac_dir" != .; then
   ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
-  # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
-  case $ac_top_builddir_sub in
-  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
-  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
-  esac ;;
-esac
-ac_abs_top_builddir=$ac_pwd
-ac_abs_builddir=$ac_pwd$ac_dir_suffix
-# for backward compatibility:
-ac_top_builddir=$ac_top_build_prefix
+  # A "../" for each directory in $ac_dir_suffix.
+  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
+else
+  ac_dir_suffix= ac_top_builddir=
+fi
 
 case $srcdir in
-  .)  # We are building in place.
+  .)  # No --srcdir option.  We are building in place.
     ac_srcdir=.
-    ac_top_srcdir=$ac_top_builddir_sub
-    ac_abs_top_srcdir=$ac_pwd ;;
-  [\\/]* | ?:[\\/]* )  # Absolute name.
+    if test -z "$ac_top_builddir"; then
+       ac_top_srcdir=.
+    else
+       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
+    fi ;;
+  [\\/]* | ?:[\\/]* )  # Absolute path.
     ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir
-    ac_abs_top_srcdir=$srcdir ;;
-  *) # Relative name.
-    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_build_prefix$srcdir
-    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+    ac_top_srcdir=$srcdir ;;
+  *) # Relative path.
+    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_builddir$srcdir ;;
 esac
-ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
-
 
-  case $ac_mode in
-  :F)
-  #
-  # CONFIG_FILE
-  #
+# Do not use `cd foo && pwd` to compute absolute paths, because
+# the directories may not exist.
+case `pwd` in
+.) ac_abs_builddir="$ac_dir";;
+*)
+  case "$ac_dir" in
+  .) ac_abs_builddir=`pwd`;;
+  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
+  *) ac_abs_builddir=`pwd`/"$ac_dir";;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_builddir=${ac_top_builddir}.;;
+*)
+  case ${ac_top_builddir}. in
+  .) ac_abs_top_builddir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
+  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_srcdir=$ac_srcdir;;
+*)
+  case $ac_srcdir in
+  .) ac_abs_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
+  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_srcdir=$ac_top_srcdir;;
+*)
+  case $ac_top_srcdir in
+  .) ac_abs_top_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
+  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
+  esac;;
+esac
 
-_ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
-# If the template does not know about datarootdir, expand it.
-# FIXME: This hack should be removed a few years after 2.60.
-ac_datarootdir_hack=; ac_datarootdir_seen=
 
-case `sed -n '/datarootdir/ {
-  p
-  q
-}
-/@datadir@/p
-/@docdir@/p
-/@infodir@/p
-/@localedir@/p
-/@mandir@/p
-' $ac_file_inputs` in
-*datarootdir*) ac_datarootdir_seen=yes;;
-*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
-_ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
-  ac_datarootdir_hack='
-  s&@datadir@&$datadir&g
-  s&@docdir@&$docdir&g
-  s&@infodir@&$infodir&g
-  s&@localedir@&$localedir&g
-  s&@mandir@&$mandir&g
-    s&\\\${datarootdir}&$datarootdir&g' ;;
-esac
+  if test x"$ac_file" != x-; then
+    { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+    rm -f "$ac_file"
+  fi
+  # Let's still pretend it is `configure' which instantiates (i.e., don't
+  # use $as_me), people would be surprised to read:
+  #    /* config.h.  Generated by config.status.  */
+  if test x"$ac_file" = x-; then
+    configure_input=
+  else
+    configure_input="$ac_file.  "
+  fi
+  configure_input=$configure_input"Generated from `echo $ac_file_in |
+				     sed 's,.*/,,'` by configure."
+
+  # First look for the input files in the build tree, otherwise in the
+  # src tree.
+  ac_file_inputs=`IFS=:
+    for f in $ac_file_in; do
+      case $f in
+      -) echo $tmp/stdin ;;
+      [\\/$]*)
+	 # Absolute (can't be DOS-style, as IFS=:)
+	 test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+   { (exit 1); exit 1; }; }
+	 echo "$f";;
+      *) # Relative
+	 if test -f "$f"; then
+	   # Build tree
+	   echo "$f"
+	 elif test -f "$srcdir/$f"; then
+	   # Source tree
+	   echo "$srcdir/$f"
+	 else
+	   # /dev/null tree
+	   { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+   { (exit 1); exit 1; }; }
+	 fi;;
+      esac
+    done` || { (exit 1); exit 1; }
 _ACEOF
-
-# Neutralize VPATH when `$srcdir' = `.'.
-# Shell code in configure.ac might set extrasub.
-# FIXME: do we really want to maintain this feature?
 cat >>$CONFIG_STATUS <<_ACEOF
   sed "$ac_vpsub
 $extrasub
@@ -7901,39 +7324,28 @@ _ACEOF
 cat >>$CONFIG_STATUS <<\_ACEOF
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s&@configure_input@&$configure_input&;t t
-s&@top_builddir@&$ac_top_builddir_sub&;t t
-s&@srcdir@&$ac_srcdir&;t t
-s&@abs_srcdir@&$ac_abs_srcdir&;t t
-s&@top_srcdir@&$ac_top_srcdir&;t t
-s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
-s&@builddir@&$ac_builddir&;t t
-s&@abs_builddir@&$ac_abs_builddir&;t t
-s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
-$ac_datarootdir_hack
-" $ac_file_inputs | sed -f "$tmp/subs-1.sed" >$tmp/out
-
-test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
-  { echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&5
-echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&2;}
-
-  rm -f "$tmp/stdin"
-  case $ac_file in
-  -) cat "$tmp/out"; rm -f "$tmp/out";;
-  *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;;
-  esac
- ;;
-
-
-
-  esac
+s,@configure_input@,$configure_input,;t t
+s,@srcdir@,$ac_srcdir,;t t
+s,@abs_srcdir@,$ac_abs_srcdir,;t t
+s,@top_srcdir@,$ac_top_srcdir,;t t
+s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t
+s,@builddir@,$ac_builddir,;t t
+s,@abs_builddir@,$ac_abs_builddir,;t t
+s,@top_builddir@,$ac_top_builddir,;t t
+s,@abs_top_builddir@,$ac_abs_top_builddir,;t t
+" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
+  rm -f $tmp/stdin
+  if test x"$ac_file" != x-; then
+    mv $tmp/out $ac_file
+  else
+    cat $tmp/out
+    rm -f $tmp/out
+  fi
 
-done # for ac_tag
+done
+_ACEOF
 
+cat >>$CONFIG_STATUS <<\_ACEOF
 
 { (exit 0); exit 0; }
 _ACEOF
-- 
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