configure.ac: Add -fno-strict-aliasing to CFLAGS
This should force the server to have -fno-strict-aliasing even once it is removed from the warning flags. See: https://bugs.freedesktop.org/show_bug.cgi?id=31238 Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com> Reviewed-by: Gaetan Nadon <memsize@videotron.ca>
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@ -87,6 +87,12 @@ XORG_PROG_RAWCPP
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# easier overrides at build time.
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XSERVER_CFLAGS='$(CWARNFLAGS)'
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dnl Explicitly add -fno-strict-aliasing since this option should disappear
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dnl from util-macros CWARNFLAGS
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if test "x$GCC" = xyes ; then
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XSERVER_CFLAGS="$XSERVER_CFLAGS -fno-strict-aliasing"
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fi
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dnl Check for dtrace program (needed to build Xserver dtrace probes)
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dnl Also checks for <sys/sdt.h>, since some Linux distros have an
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dnl ISDN trace program named dtrace
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