From 6d9329966a77a73193acfea6d8d410dd5da8d071 Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Tue, 9 Dec 2014 16:42:02 -0500
Subject: [PATCH] #1061 fixed test build behaving differently from GUI build
 due to ENABLE_CGAL flag not being passed to all relevant sources. Added
 testcase

---
 src/polyset-utils.cc                            |  15 +++++++++++++++
 src/polyset-utils.h                             |   1 +
 src/polyset.cc                                  |  15 +++------------
 testdata/scad/bugs/issue1061.scad               |   1 +
 tests/CMakeLists.txt                            |  16 +++++++++-------
 .../cgalpngtest/issue1061-expected.png          | Bin 0 -> 10709 bytes
 .../monotonepngtest/issue1061-expected.png      | Bin 0 -> 10709 bytes
 .../opencsgtest/issue1061-expected.png          | Bin 0 -> 11401 bytes
 8 files changed, 29 insertions(+), 19 deletions(-)
 create mode 100644 testdata/scad/bugs/issue1061.scad
 create mode 100644 tests/regression/cgalpngtest/issue1061-expected.png
 create mode 100644 tests/regression/monotonepngtest/issue1061-expected.png
 create mode 100644 tests/regression/opencsgtest/issue1061-expected.png

diff --git a/src/polyset-utils.cc b/src/polyset-utils.cc
index 5587be6e..b3bba6d7 100644
--- a/src/polyset-utils.cc
+++ b/src/polyset-utils.cc
@@ -2,7 +2,9 @@
 #include "polyset.h"
 #include "Polygon2d.h"
 #include "printutils.h"
+#ifdef ENABLE_CGAL
 #include "cgalutils.h"
+#endif
 
 #include <boost/foreach.hpp>
 
@@ -45,6 +47,7 @@ namespace PolysetUtils {
 	 The tessellation will be robust wrt. degenerate and self-intersecting
 */
 	void tessellate_faces(const PolySet &inps, PolySet &outps) {
+#ifdef ENABLE_CGAL
 		int degeneratePolygons = 0;
 		for (size_t i = 0; i < inps.polygons.size(); i++) {
 			const Polygon pgon = inps.polygons[i];
@@ -76,5 +79,17 @@ namespace PolysetUtils {
 			}
 		}
 		if (degeneratePolygons > 0) PRINT("WARNING: PolySet has degenerate polygons");
+#else
+		assert(false);
+#endif
 	}
+
+	bool is_approximately_convex(const PolySet &ps) {
+#ifdef ENABLE_CGAL
+		return CGALUtils::is_approximately_convex(ps);
+#else
+		return false;
+#endif
+	}
+
 }
diff --git a/src/polyset-utils.h b/src/polyset-utils.h
index 2bdaca03..41364f07 100644
--- a/src/polyset-utils.h
+++ b/src/polyset-utils.h
@@ -7,5 +7,6 @@ namespace PolysetUtils {
 
 	Polygon2d *project(const PolySet &ps);
 	void tessellate_faces(const PolySet &inps, PolySet &outps);
+	bool is_approximately_convex(const PolySet &ps);
 
 };
diff --git a/src/polyset.cc b/src/polyset.cc
index 0dfc2ba8..fc8e7e04 100644
--- a/src/polyset.cc
+++ b/src/polyset.cc
@@ -25,6 +25,7 @@
  */
 
 #include "polyset.h"
+#include "polyset-utils.h"
 #include "linalg.h"
 #include "printutils.h"
 #include <Eigen/LU>
@@ -140,20 +141,10 @@ void PolySet::transform(const Transform3d &mat)
 	}
 }
 
-namespace CGALUtils {
-	extern bool is_approximately_convex(const PolySet &ps);
-}
-
 bool PolySet::is_convex() const {
-	if (convex)  return true;
+	if (convex) return true;
 	if (!convex) return false;
-
-#ifdef ENABLE_CGAL
-	convex = CGALUtils::is_approximately_convex(*this);
-	return convex;
-#else
-	return false;
-#endif
+	return PolysetUtils::is_approximately_convex(*this);
 }
 
 void PolySet::resize(Vector3d newsize, const Eigen::Matrix<bool,3,1> &autosize)
diff --git a/testdata/scad/bugs/issue1061.scad b/testdata/scad/bugs/issue1061.scad
new file mode 100644
index 00000000..70cc35cc
--- /dev/null
+++ b/testdata/scad/bugs/issue1061.scad
@@ -0,0 +1 @@
+polyhedron(points = [[-5, -5, 0], [-5, 5, 0], [5, 5, 0], [5, -5, 0], [-1.87866, -4.21311, 3], [-4.21311, 5.51058, 3], [5.51058, 7.84504, 3], [7.84504, -1.87866, 3], [1.05099, -3.48892, 6], [-3.48892, 5.42115, 6], [5.42115, 9.96105, 6], [9.96105, 1.05099, 6], [3.39596, -3.09852, 9], [-3.09852, 4.50554, 9], [4.50554, 11, 9], [11, 3.39596, 9], [4.91038, -3.17979, 12], [-3.17979, 2.69807, 12], [2.69807, 10.7882, 12], [10.7882, 4.91038, 12], [5.53441, -3.70439, 15], [-3.70439, 0.122447, 15], [0.122447, 9.36124, 15], [9.36124, 5.53441, 15], [5.39234, -4.48455, 18], [-4.48455, -2.9202, 18], [-2.9202, 6.95668, 18], [6.95668, 5.39234, 18]], faces = [[0, 1, 5, 4], [1, 2, 6, 5], [2, 3, 7, 6], [3, 0, 4, 7], [4, 5, 9, 8], [5, 6, 10, 9], [6, 7, 11, 10], [7, 4, 8, 11], [8, 9, 13, 12], [9, 10, 14, 13], [10, 11, 15, 14], [11, 8, 12, 15], [12, 13, 17, 16], [13, 14, 18, 17], [14, 15, 19, 18], [15, 12, 16, 19], [16, 17, 21, 20], [17, 18, 22, 21], [18, 19, 23, 22], [19, 16, 20, 23], [20, 21, 25, 24], [21, 22, 26, 25], [22, 23, 27, 26], [23, 20, 24, 27], [3, 2, 1, 0], [24, 25, 26, 27]]);
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 0a3ff6ab..d9b643e8 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -632,7 +632,6 @@ set(CORE_SOURCES
   ../src/csgtermnormalizer.cc 
   ../src/Geometry.cc 
   ../src/Polygon2d.cc 
-  ../src/polyset.cc 
   ../src/csgops.cc 
   ../src/transform.cc 
   ../src/color.cc 
@@ -666,7 +665,10 @@ set(NOCGAL_SOURCES
   ../src/builtin.cc 
   ../src/import.cc
   ../src/export.cc
-  ../src/LibraryInfo.cc)
+  ../src/LibraryInfo.cc
+  ../src/polyset.cc
+  ../src/polyset-utils.cc)
+
 
 set(CGAL_SOURCES
   ${NOCGAL_SOURCES}
@@ -678,7 +680,6 @@ set(CGAL_SOURCES
   ../src/CGALCache.cc
   ../src/CGAL_Nef_polyhedron_DxfData.cc
   ../src/Polygon2d-CGAL.cc
-  ../src/polyset-utils.cc 
   ../src/svg.cc
   ../src/GeometryEvaluator.cc)
 
@@ -749,20 +750,20 @@ set_target_properties(tests-offscreen PROPERTIES COMPILE_FLAGS "${ENABLE_OPENCSG
 # modulecachetest
 #
 add_executable(modulecachetest modulecachetest.cc)
-target_link_libraries(modulecachetest tests-nocgal)
+target_link_libraries(modulecachetest tests-nocgal ${GLEW_LIBRARY} ${OPENCSG_LIBRARY} ${APP_SERVICES_LIBRARY})
 
 #
 # csgtexttest
 #
 add_executable(csgtexttest csgtexttest.cc CSGTextRenderer.cc CSGTextCache.cc)
-target_link_libraries(csgtexttest tests-nocgal)
+target_link_libraries(csgtexttest tests-nocgal ${GLEW_LIBRARY} ${OPENCSG_LIBRARY} ${APP_SERVICES_LIBRARY})
 
 #
 # cgalcachetest
 #
 add_executable(cgalcachetest cgalcachetest.cc)
 set_target_properties(cgalcachetest PROPERTIES COMPILE_FLAGS "-DENABLE_CGAL ${CGAL_CXX_FLAGS_INIT}")
-target_link_libraries(cgalcachetest tests-cgal)
+target_link_libraries(cgalcachetest tests-cgal ${GLEW_LIBRARY} ${OPENCSG_LIBRARY} ${APP_SERVICES_LIBRARY})
 
 #
 # openscad no-qt
@@ -1213,7 +1214,8 @@ list(APPEND BUGS_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue584.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue964b.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue990.scad
                        ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1004.scad
-                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1005.scad)
+                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1005.scad
+                       ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue1061.scad)
 list(APPEND EXPORT3D_TEST_FILES ${BUGS_FILES})
 list(REMOVE_ITEM EXPORT3D_TEST_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue899.scad)
 list(APPEND ALL_2D_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/issue899.scad)
diff --git a/tests/regression/cgalpngtest/issue1061-expected.png b/tests/regression/cgalpngtest/issue1061-expected.png
new file mode 100644
index 0000000000000000000000000000000000000000..78bd8525d0e2ef89c7874f2d97f9afbf5f0c0804
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