--- a/config.lib	Fri Mar 02 00:36:16 2007 +0000
+++ b/config.lib	Fri Mar 02 00:45:08 2007 +0000
@@ -671,6 +671,9 @@
 	if [ "$os" = "CYGWIN" ] || [ "$os" = "MINGW" ]; then
 		LDFLAGS="$LDFLAGS -Wl,--subsystem,windows"
 		LIBS="$LIBS -lws2_32 -lwinmm -lgdi32 -ldxguid -lole32"
+		if [ $cc_version -ge 40 ]; then
+			CFLAGS="$CFLAGS -fno-strict-aliasing"
+		fi
 	fi
 
 	if [ "$os" != "CYGWIN" ] && [ "$os" != "FREEBSD" ] && [ "$os" != "MINGW" ] && [ "$os" != "MORPHOS" ] && [ "$os" != "OSX" ] && [ "$os" != "WINCE" ] && [ "$os" != "PSP" ]; then