From 51ae2483733a75c8e7fbaa8abe7f7b0a999c1db0 Mon Sep 17 00:00:00 2001
From: clifford <clifford@b57f626f-c46c-0410-a088-ec61d464b74c>
Date: Mon, 1 Feb 2010 10:01:05 +0000
Subject: [PATCH] Clifford Wolf: 	Fixed building without CGAL

git-svn-id: http://svn.clifford.at/openscad/trunk@406 b57f626f-c46c-0410-a088-ec61d464b74c
---
 src/dxfdata.h        |  2 ++
 src/dxflinextrude.cc |  5 +++++
 src/dxfrotextrude.cc |  5 +++++
 src/dxftess.cc       |  5 ++---
 src/mainwin.cc       |  2 ++
 src/nef2dxf.cc       |  3 +++
 src/projection.cc    | 14 ++++++++++++++
 7 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/src/dxfdata.h b/src/dxfdata.h
index e88fafd955..d59ff5ac7a 100644
--- a/src/dxfdata.h
+++ b/src/dxfdata.h
@@ -39,7 +39,9 @@ class DxfData
 
 	DxfData();
 	DxfData(double fn, double fs, double fa, QString filename, QString layername = QString(), double xorigin = 0.0, double yorigin = 0.0, double scale = 1.0);
+#ifdef ENABLE_CGAL
 	DxfData(const struct CGAL_Nef_polyhedron &N);
+#endif
 
 	Point *addPoint(double x, double y);
 
diff --git a/src/dxflinextrude.cc b/src/dxflinextrude.cc
index 0542493d37..f1aaf8cc66 100644
--- a/src/dxflinextrude.cc
+++ b/src/dxflinextrude.cc
@@ -233,6 +233,7 @@ PolySet *DxfLinearExtrudeNode::render_polyset(render_mode_e rm) const
 
 	if (filename.isEmpty())
 	{
+#ifdef ENABLE_CGAL
 		QTime t;
 		QProgressDialog *pd = NULL;
 
@@ -268,6 +269,10 @@ PolySet *DxfLinearExtrudeNode::render_polyset(render_mode_e rm) const
 			PRINTF_NOCACHE("..rendering time: %d hours, %d minutes, %d seconds", s / (60*60), (s / 60) % 60, s % 60);
 			delete pd;
 		}
+#else // ENABLE_CGAL
+		PRINT("WARNING: Found linear_extrude() statement without dxf file but compiled without CGAL support!");
+		dxf = new DxfData();
+#endif // ENABLE_CGAL
 	} else {
 		dxf = new DxfData(fn, fs, fa, filename, layername, origin_x, origin_y, scale);
 	}
diff --git a/src/dxfrotextrude.cc b/src/dxfrotextrude.cc
index ae43f53398..21718ac28e 100644
--- a/src/dxfrotextrude.cc
+++ b/src/dxfrotextrude.cc
@@ -136,6 +136,7 @@ PolySet *DxfRotateExtrudeNode::render_polyset(render_mode_e rm) const
 
 	if (filename.isEmpty())
 	{
+#ifdef ENABLE_CGAL
 		QTime t;
 		QProgressDialog *pd;
 
@@ -169,6 +170,10 @@ PolySet *DxfRotateExtrudeNode::render_polyset(render_mode_e rm) const
 			PRINTF_NOCACHE("..rendering time: %d hours, %d minutes, %d seconds", s / (60*60), (s / 60) % 60, s % 60);
 			delete pd;
 		}
+#else // ENABLE_CGAL
+		PRINT("WARNING: Found rotate_extrude() statement without dxf file but compiled without CGAL support!");
+		dxf = new DxfData();
+#endif // ENABLE_CGAL
 	} else {
 		dxf = new DxfData(fn, fs, fa, filename, layername, origin_x, origin_y, scale);
 	}
diff --git a/src/dxftess.cc b/src/dxftess.cc
index c51fb9cb49..e1453910de 100644
--- a/src/dxftess.cc
+++ b/src/dxftess.cc
@@ -25,12 +25,11 @@
 
 #include "printutils.h"
 
-#define CGAL_TESSELATE
-#ifdef CGAL_TESSELATE
+#ifdef ENABLE_CGAL
 #include "dxftess-cgal.cc"
 #else
 #include "dxftess-glu.cc"
-#endif //  CGAL_TESSELATE
+#endif
 
 /*!
 	Converts all paths in the given DxfData to PolySet::borders polygons
diff --git a/src/mainwin.cc b/src/mainwin.cc
index 9ee4d9d34f..a0ce9b0465 100644
--- a/src/mainwin.cc
+++ b/src/mainwin.cc
@@ -1215,7 +1215,9 @@ void MainWindow::actionExportDXF()
 void MainWindow::actionFlushCaches()
 {
 	PolySet::ps_cache.clear();
+#ifdef ENABLE_CGAL
 	AbstractNode::cgal_nef_cache.clear();
+#endif
 	dxf_dim_cache.clear();
 	dxf_cross_cache.clear();
 }
diff --git a/src/nef2dxf.cc b/src/nef2dxf.cc
index 5df8a45a05..44d7561f65 100644
--- a/src/nef2dxf.cc
+++ b/src/nef2dxf.cc
@@ -27,6 +27,8 @@
 #include "grid.h"
 #include "cgal.h"
 
+#ifdef ENABLE_CGAL
+
 DxfData::DxfData(const struct CGAL_Nef_polyhedron &N)
 {
 	Grid2d<int> grid(GRID_COARSE);
@@ -70,3 +72,4 @@ DxfData::DxfData(const struct CGAL_Nef_polyhedron &N)
 	fixup_path_direction();
 }
 
+#endif // ENABLE_CGAL
diff --git a/src/projection.cc b/src/projection.cc
index 77b7bf943a..75aaf44c47 100644
--- a/src/projection.cc
+++ b/src/projection.cc
@@ -93,6 +93,8 @@ void register_builtin_projection()
 	builtin_modules["projection"] = new ProjectionModule();
 }
 
+#ifdef ENABLE_CGAL
+
 static void report_func(const class AbstractNode*, void *vp, int mark)
 {
 	QProgressDialog *pd = (QProgressDialog*)vp;
@@ -291,6 +293,18 @@ PolySet *ProjectionNode::render_polyset(render_mode_e rm) const
 	return ps;
 }
 
+#else // ENABLE_CGAL
+
+PolySet *ProjectionNode::render_polyset(render_mode_e) const
+{
+	PRINT("WARNING: Found projection() statement but compiled without CGAL support!");
+	PolySet *ps = new PolySet();
+	ps->is2d = true;
+	return ps;
+}
+
+#endif // ENABLE_CGAL
+
 QString ProjectionNode::dump(QString indent) const
 {
 	if (dump_cache.isEmpty()) {