From: Arnaud Giersch <arnaud.giersch@iut-bm.univ-fcomte.fr>
Date: Tue, 1 Nov 2011 16:49:52 +0000 (+0100)
Subject: Do not hide useful warnings: unused-but-set-variable.
X-Git-Tag: exp_20120216~513
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/e9665319cc0f5ef31b773ca24d1f95d20719742e

Do not hide useful warnings: unused-but-set-variable.

Mark them as no-error to avoid to break builds.
For example, some versions of valgrind.h cause a "variable unused but set"
warning in gcc 4.6.
---

diff --git a/buildtools/Cmake/Flags.cmake b/buildtools/Cmake/Flags.cmake
index 51c0ef8d77..57f3d70189 100644
--- a/buildtools/Cmake/Flags.cmake
+++ b/buildtools/Cmake/Flags.cmake
@@ -14,7 +14,7 @@ if(enable_compile_warnings)
 endif(enable_compile_warnings)
 
 if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
-	set(warnCFLAGS "${warnCFLAGS} -Wno-unused-but-set-variable ")
+	set(warnCFLAGS "${warnCFLAGS} -Wno-error=unused-but-set-variable ")
 endif(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
 
 if(enable_compile_optimizations)