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Avoid "undefined reference to `memset'" error when building with
USE=custom-cflags and -O3 in CFLAGS with gcc-4.8.
See:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56888
http://bugs.winehq.org/show_bug.cgi?id=33521
https://bugs.gentoo.org/show_bug.cgi?id=480508
diff --git a/configure.ac b/configure.ac
index d8033cf..fe7cc7d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1767,6 +1767,7 @@ then
dnl Check for some compiler flags
WINE_TRY_CFLAGS([-fno-builtin],[AC_SUBST(BUILTINFLAG,"-fno-builtin")])
+ WINE_TRY_CFLAGS([-fno-tree-loop-distribute-patterns])
WINE_TRY_CFLAGS([-fno-strict-aliasing])
dnl clang needs to be told to fail on unknown options
saved_CFLAGS=$CFLAGS
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