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-rw-r--r--configure.in5
1 files changed, 4 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 6992487b..fd972b49 100644
--- a/configure.in
+++ b/configure.in
@@ -284,7 +284,10 @@ if test "x$GCC" = "xyes"; then
esac
case " $CFLAGS " in
*[\ \ ]-Wno-pointer-sign[\ \ ]*) ;;
- *) CFLAGS="$CFLAGS -Wno-pointer-sign" ;;
+ *) if cc_supports_flag -Wno-pointer-sign; then
+ CFLAGS="$CFLAGS -Wno-pointer-sign"
+ fi
+ ;;
esac
# http://bugs.freedesktop.org/show_bug.cgi?id=19195