make CMake with GCC default to C99 off (gcc 4.3 and later have syntax changes)

diff --git a/cmake/gmxCFlags.cmake b/cmake/gmxCFlags.cmake
index 4ec969a92fee373fbae8ac3805fc23c98ff4d267..f4ff02ca5ff957cfb23b2975f989a387a21c5497 100644 (file)
--- a/cmake/gmxCFlags.cmake
+++ b/cmake/gmxCFlags.cmake
@@ -15,10 +15,10 @@ if(CMAKE_COMPILER_IS_GNUCC)
     set(GMXC_C_FLAGS "-Wall -Wno-unused ${GMXC_C_FLAGS}")
   endif()
 
-  CHECK_C_COMPILER_FLAG( "-std=gnu99" XFLAGS_GNU99)
-  if (XFLAGS_GNU99)
-    set(GMXC_C_FLAGS "-std=gnu99 ${GMXC_C_FLAGS}")
-  endif()
+#  CHECK_C_COMPILER_FLAG( "-std=gnu99" XFLAGS_GNU99)
+#  if (XFLAGS_GNU99)
+#    set(GMXC_C_FLAGS "-std=gnu99 ${GMXC_C_FLAGS}")
+#  endif()
 
   CHECK_C_COMPILER_FLAG( "-march=native" XFLAGS_MARCH)
   if (XFLAGS_MARCH)