move DivideAndConquer to mesh module, since it now depends plenty of GModel

Geo/SOrientedBoundingBox.cpp

@@ -10,11 +10,15 @@
 #include <math.h>
 #include <time.h>
 #include <stdlib.h>
+#include "GmshConfig.h"
 #include "SOrientedBoundingBox.h"
 #include "fullMatrix.h"
-#include "DivideAndConquer.h"
 #include "SBoundingBox3d.h"
 
+#if defined(HAVE_MESH)
+#include "DivideAndConquer.h"
+#endif
+
 double SOrientedBoundingRectangle::area()
 {
   double b = size->at(0);
@@ -201,6 +205,7 @@ bool SOrientedBoundingBox::intersects(SOrientedBoundingBox& obb)
 
 SOrientedBoundingBox* SOrientedBoundingBox::buildOBB(std::vector<SPoint3> vertices)
 {
+#if defined(HAVE_MESH)
   int num_vertices = vertices.size();
   // First organize the data
   fullMatrix<double> data(3,num_vertices);
@@ -547,6 +552,10 @@ SOrientedBoundingBox* SOrientedBoundingBox::buildOBB(std::vector<SPoint3> vertic
   */
   return (new SOrientedBoundingBox(center,
           size[0], size[1], size[2], Axis1, Axis2, Axis3));
+#else
+  Msg::Error("SOrientedBoundingBox requires mesh module");
+  return 0;
+#endif
 }
 
 double SOrientedBoundingBox::compare(SOrientedBoundingBox& obb1, SOrientedBoundingBox& obb2)

Mesh/CMakeLists.txt

@@ -32,6 +32,7 @@ CenterlineField.cpp
     QuadTriUtils.cpp
       QuadTriExtruded2D.cpp QuadTriExtruded3D.cpp QuadTriTransfinite3D.cpp
     simple3D.cpp
+  DivideAndConquer.cpp
     Voronoi3D.cpp
     Levy3D.cpp
     periodical.cpp

Numeric/CMakeLists.txt

@@ -23,7 +23,6 @@ set(SRC
   robustPredicates.cpp
   mathEvaluator.cpp
   Iso.cpp
-  DivideAndConquer.cpp
 )
 
 file(GLOB HDR RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.h) 

Plugin/Tetrahedralize.cpp

@@ -4,6 +4,7 @@
 // bugs and problems to <gmsh@geuz.org>.
 
 #include <vector>
+#include "GmshConfig.h"
 #include "GModel.h"
 #include "GmshMessage.h"
 #include "Tetrahedralize.h"

Plugin/Triangulate.cpp

@@ -5,14 +5,18 @@
 
 #include <vector>
 #include <stdlib.h>
+#include "GmshConfig.h"
 #include "GModel.h"
 #include "discreteFace.h"
-#include "DivideAndConquer.h"
 #include "GmshMessage.h"
 #include "MVertex.h"
 #include "Triangulate.h"
 #include "Context.h"
 
+#if defined(HAVE_MESH)
+#include "DivideAndConquer.h"
+#endif
+
 StringXNumber TriangulateOptions_Number[] = {
   {GMSH_FULLRC, "View", NULL, -1.}
 };
@@ -70,6 +74,7 @@ static void project(MVertex *v, double mat[3][3])
 
 PView *GMSH_TriangulatePlugin::execute(PView *v)
 {
+#if defined(HAVE_MESH)
   int iView = (int)TriangulateOptions_Number[0].def;
 
   PView *v1 = getView(iView, v);
@@ -176,4 +181,8 @@ PView *GMSH_TriangulatePlugin::execute(PView *v)
   data2->finalize();
 
   return v2;
+#else
+  Msg::Error("Plugin(Triangulate) requires mesh module");
+  return v;
+#endif
 }