From 32a3f4b60ba6bafbdeb7096ba123acab68cc17b6 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Wed, 15 Jul 2015 16:36:19 +0200
Subject: [PATCH] The `make clean` can fail when there is no target at all

---
 CGAL_ipelets/demo/CGAL_ipelets/cgal_test_with_cmake | 2 +-
 Mesh_3/demo/Mesh_3/cgal_test_with_cmake             | 2 +-
 Polyhedron/demo/Polyhedron/cgal_test_with_cmake     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/CGAL_ipelets/demo/CGAL_ipelets/cgal_test_with_cmake b/CGAL_ipelets/demo/CGAL_ipelets/cgal_test_with_cmake
index e7093a67bcd..e3ea1cc9564 100755
--- a/CGAL_ipelets/demo/CGAL_ipelets/cgal_test_with_cmake
+++ b/CGAL_ipelets/demo/CGAL_ipelets/cgal_test_with_cmake
@@ -180,6 +180,6 @@ fi
 #
 if [ -n "${NEED_CLEAN}" ]; then 
   if ! ( uname | grep -q "CYGWIN" ) ; then
-    ${MAKE_CMD} -fMakefile clean
+    ${MAKE_CMD} -fMakefile clean || true
   fi
 fi
diff --git a/Mesh_3/demo/Mesh_3/cgal_test_with_cmake b/Mesh_3/demo/Mesh_3/cgal_test_with_cmake
index 8b3e2a2d4a7..f84ac21c545 100755
--- a/Mesh_3/demo/Mesh_3/cgal_test_with_cmake
+++ b/Mesh_3/demo/Mesh_3/cgal_test_with_cmake
@@ -149,6 +149,6 @@ fi
 #
 if [ -n "${NEED_CLEAN}" ]; then
   if ! ( uname | grep -q "CYGWIN" ) ; then
-    ${MAKE_CMD} -fMakefile clean
+    ${MAKE_CMD} -fMakefile clean || true
   fi
 fi
diff --git a/Polyhedron/demo/Polyhedron/cgal_test_with_cmake b/Polyhedron/demo/Polyhedron/cgal_test_with_cmake
index a1ae9d9b49e..c11be271e54 100755
--- a/Polyhedron/demo/Polyhedron/cgal_test_with_cmake
+++ b/Polyhedron/demo/Polyhedron/cgal_test_with_cmake
@@ -182,6 +182,6 @@ fi
 #
 if [ -n "${NEED_CLEAN}" ]; then 
   if ! ( uname | grep -q "CYGWIN" ) ; then
-    ${MAKE_CMD} -fMakefile clean
+    ${MAKE_CMD} -fMakefile clean || true
   fi
 fi