fix compile without SOLVER+ANN

Geo/discreteFace.cpp

@@ -263,7 +263,7 @@ void discreteFace::printAtlasMesh(std::vector<MElement*> elm, int I)
 
 void discreteFace::printAtlasMesh(discreteDiskFace* ddf, int I)
 {
-
+#if defined(HAVE_SOLVER) && defined(HAVE_ANN)
   std::map<MVertex*,int> mv2int;
   char buffer[16];
   sprintf(buffer,"atlas_mesh%d.msh",I);
@@ -296,7 +296,7 @@ void discreteFace::printAtlasMesh(discreteDiskFace* ddf, int I)
   }
   fprintf(pmesh,"$EndElements\n");
   fclose(pmesh);
-
+#endif
 }
 
 
@@ -681,7 +681,7 @@ void discreteFace::updateTopology(std::vector<triangulation*>&partition)
 
 void discreteFace::fillHoles(triangulation* trian)
 {
-
+#if defined(HAVE_SOLVER) && defined(HAVE_ANN)
   std::map<double,std::vector<MVertex*> > bords = trian->bord;
   std::map<double,std::vector<MVertex*> >::reverse_iterator it = bords.rbegin();
   ++it;
@@ -702,16 +702,19 @@ void discreteFace::fillHoles(triangulation* trian)
       addTriangle(trian,new MTriangle(mv[j],mv[j-1],center));
     addTriangle(trian,new MTriangle(mv[0],mv[mv.size()-1],center));
   }
-
+#endif
 }
 
 void discreteFace::addTriangle(triangulation* trian, MTriangle* t)
-{// #mark quid borders ?
+{
+#if defined(HAVE_SOLVER) && defined(HAVE_ANN)
+  // #mark quid borders ?
   for(int i=0; i<3; i++){
     MEdge ed = t->getEdge(i);
     trian->ed2tri[ed].push_back(trian->tri.size());
   }
   trian->tri.push_back(t);
+#endif
 }