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-rwxr-xr-xfixincludes/configure2
1 files changed, 1 insertions, 1 deletions
diff --git a/fixincludes/configure b/fixincludes/configure
index 70b7b947bcd..4a28cd1f3fe 100755
--- a/fixincludes/configure
+++ b/fixincludes/configure
@@ -4569,7 +4569,7 @@ for real_option in -W -Wall -Wwrite-strings -Wstrict-prototypes \
# Do the check with the no- prefix removed since gcc silently
# accepts any -Wno-* option on purpose
case $real_option in
- -Wno-*) option=-W`expr $real_option : '-Wno-\(.*\)'` ;;
+ -Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;;
*) option=$real_option ;;
esac
as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`