From: Simon Rit <simon.rit@creatis.insa-lyon.fr>
Date: Mon, 1 Oct 2012 14:44:05 +0000 (+0200)
Subject: Fix for old versions of gcc
X-Git-Tag: v1.3.0~1
X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=commitdiff_plain;h=f581aa159486369f7083d15dfd7e92dad8751c23;p=clitk.git

Fix for old versions of gcc
---

diff --git a/cmake/FindGengetopt.cmake b/cmake/FindGengetopt.cmake
index 78098f9..95f2a47 100644
--- a/cmake/FindGengetopt.cmake
+++ b/cmake/FindGengetopt.cmake
@@ -33,6 +33,10 @@ MACRO (WRAP_GGO GGO_SRCS)
   ENDFOREACH(GGO_FILE)
   SET_SOURCE_FILES_PROPERTIES(${${GGO_SRCS}} PROPERTIES GENERATED TRUE)
   IF(CMAKE_COMPILER_IS_GNUCXX)
-    SET_SOURCE_FILES_PROPERTIES(${${GGO_SRCS}} PROPERTIES COMPILE_FLAGS "-Wno-unused-but-set-variable")
+    FIND_PROGRAM(DEFAULT_GCC gcc)
+    EXEC_PROGRAM(${DEFAULT_GCC} ARGS "-dumpversion" OUTPUT_VARIABLE GCCVER)
+    IF("${GCCVER}" VERSION_GREATER "4.5.2")
+      SET_SOURCE_FILES_PROPERTIES(${${GGO_SRCS}} PROPERTIES COMPILE_FLAGS "-Wno-unused-but-set-variable")
+    ENDIF("${GCCVER}" VERSION_GREATER "4.5.2")
   ENDIF(CMAKE_COMPILER_IS_GNUCXX)
 ENDMACRO (WRAP_GGO)