cpp/openttd-patchpack/source Changeset - r23976:dd7d2c685eb3

Changeset - r23976:dd7d2c685eb3

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glx - 5 years ago 2019-12-14 18:08:30
glx@openttd.org

Fix: [MinGW] undefined references when _FORTIFY_SOURCE > 0

1 file changed with 8 insertions and 0 deletions:

config.lib

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config.lib

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@@ @@ -1513,18 +1513,26 @@ make_cflags_and_ldflags() { @@
 		cc_host_is_gcc=`basename "$cc_host" | grep "gcc" 2>/dev/null`
 		if [ -n "$cc_host_is_gcc" ]; then
 			# Define only when compiling with GCC. Some GLIBC versions use GNU
 			# extensions in a way that breaks build with at least ICC.
 			# This requires -O1 or more, so debug level 3 (-O0) is excluded.
 			CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"
 			if [ "$os" = "MINGW" ]; then
 				# Prevent undefined references when _FORTIFY_SOURCE > 0
 				LDFLAGS="$LDFLAGS -fstack-protector"
 			fi
 		fi
 		cc_build_is_gcc=`basename "$cc_build" | grep "gcc" 2>/dev/null`
 		if [ -n "$cc_build_is_gcc" ]; then
 			# Just add -O1 to the tools needed for building.
 			CFLAGS_BUILD="$CFLAGS_BUILD -D_FORTIFY_SOURCE=2 -O1"
 			if [ "$os" = "MINGW" ]; then
 				# Prevent undefined references when _FORTIFY_SOURCE > 0
 				LDFLAGS_BUILD="$LDFLAGS_BUILD -fstack-protector"
 			fi
 		fi
 	fi
 	if [ "$os" = "OSX" ] && [ $cc_version -eq 400 ]; then
 		# Apple's GCC 4.0 has a compiler bug for x86_64 with (higher) optimization,
 		# wrongly optimizing ^= in loops. This disables the failing optimisation.

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