From c5bdc40c26728dbcaa1bfb7f00e82b7448f32d62 Mon Sep 17 00:00:00 2001
From: Don Bright <hugh.m.bright@gmail.com>
Date: Sun, 14 Apr 2013 01:11:09 -0500
Subject: fix bug in cmake file cgal-flags when using clang


diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index fff537a..55b6924 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -354,7 +354,7 @@ if("${CGAL_MAJOR_VERSION}.${CGAL_MINOR_VERSION}" VERSION_LESS 3.6)
 endif()
 inclusion(CGAL_DIR CGAL_INCLUDE_DIRS)
 
-if(CMAKE_CXX_COMPILER MATCHES ".*clang.*")
+if(CMAKE_CXX_COMPILER MATCHES ".*clang.*" AND NOT STREQUAL ${CGAL_CXX_FLAGS_INIT} "" )
 	string(REPLACE "-frounding-math" "" CGAL_CXX_FLAGS_INIT ${CGAL_CXX_FLAGS_INIT})
 	string(REPLACE "--param=ssp-buffer-size=4" "" CGAL_CXX_FLAGS_INIT ${CGAL_CXX_FLAGS_INIT})
 endif()
-- 
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