Add flag -Wno-error=unused-but-set-variable to enable_compile_warnings with gcc4.6

[simgrid.git] / buildtools / Cmake / Flags.cmake

diff --git a/buildtools/Cmake/Flags.cmake b/buildtools/Cmake/Flags.cmake
index 93982f4..102dab0 100644 (file)
--- a/buildtools/Cmake/Flags.cmake
+++ b/buildtools/Cmake/Flags.cmake
@@ -12,6 +12,10 @@ if(enable_compile_warnings)
        set(warnCFLAGS "-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ")
 endif(enable_compile_warnings)
 
+if(enable_compile_warnings AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
+    set(warnCFLAGS "${warnCFLAGS} -Wno-error=unused-but-set-variable ")
+endif(enable_compile_warnings AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
+
 if(enable_compile_optimizations)
        set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
 else(enable_compile_optimizations)