Make cgal optional

src/ifcconvert/validate_space_boundaries.cpp

@@ -1,3 +1,5 @@
+#ifdef IFOPSH_WITH_CGAL
+
 #include "validation_utils.h"
 
 using namespace ifcopenshell::geometry;
@@ -183,3 +185,5 @@ void fix_spaceboundaries(IfcParse::IfcFile& f, bool no_progress, bool quiet, boo
 		}
 	}
 }
+
+#endif

src/ifcconvert/validate_storey_containment.cpp

@@ -1,3 +1,5 @@
+#ifdef IFOPSH_WITH_CGAL
+
 #include "../ifcgeom/kernels/cgal/CgalKernel.h"
 #include "../ifcgeom/IfcGeomFilter.h"
 #include "../ifcgeom/Iterator.h"
@@ -231,3 +233,5 @@ void fix_storeycontainment(IfcParse::IfcFile& f, bool no_progress, bool quiet, b
 			" objects                                ");
 	}
 }
+
+#endif

src/ifcconvert/validate_wall_connectivity.cpp

@@ -1,3 +1,5 @@
+#ifdef IFOPSH_WITH_CGAL
+
 #include "validation_utils.h"
 
 #include <CGAL/Polygon_mesh_processing/bbox.h>
@@ -196,3 +198,4 @@ void fix_wallconnectivity(IfcParse::IfcFile& f, bool no_progress, bool quiet, bo
 	std::wcout << "total_conversion_to_poly_time " << conversion_to_poly << std::endl;
 }
 
+#endif

src/ifcconvert/validation_utils.cpp

@@ -1,3 +1,5 @@
+#ifdef IFOPSH_WITH_CGAL
+
 #include "validation_utils.h"
 
 double facet_area(const cgal_shape_t::Facet_handle& f) {
@@ -25,4 +27,6 @@ void dump_facet(const cgal_shape_t::Facet_handle& f) {
 
 	auto osss = oss.str();
 	std::wcout << osss.c_str() << std::endl;
-}
+}
+
+#endif

src/ifcconvert/validation_utils.h

@@ -1,3 +1,5 @@
+#ifdef IFOPSH_WITH_CGAL
+
 #include "../ifcgeom/kernels/cgal/CgalKernel.h"
 #include "../ifcgeom/IfcGeomFilter.h"
 #include "../ifcgeom/Iterator.h"
@@ -582,3 +584,5 @@ struct intersection_validator {
 		CGAL::box_self_intersection_d(boxes.begin(), boxes.end(), fn);
 	}
 };
+
+#endif