diff options
| -rw-r--r-- | config.lib | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/config.lib b/config.lib index e84f48d91..e814df7ef 100644 --- a/config.lib +++ b/config.lib @@ -838,6 +838,14 @@ make_cflags_and_ldflags() { CFLAGS="$CFLAGS -fno-strict-aliasing" fi + # GCC 4.2+ automatically assumes that signed overflows do + # not occur in signed arithmetics, whereas we are not + # sure that they will not happen. It furthermore complains + # about it's own optimized code in some places. + if [ $cc_version -ge 42 ]; then + CFLAGS="$CFLAGS -fno-strict-overflow" + fi + if [ "$os" != "CYGWIN" ] && [ "$os" != "FREEBSD" ] && [ "$os" != "OPENBSD" ] && [ "$os" != "MINGW" ] && [ "$os" != "MORPHOS" ] && [ "$os" != "OSX" ] && [ "$os" != "WINCE" ] && [ "$os" != "PSP" ] && [ "$os" != "OS2" ]; then LIBS="$LIBS -lpthread" LIBS="$LIBS -lrt" |