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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index fb096a695..e8d9eaf87 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1118,6 +1118,7 @@ AC_SUBST(W32LIBS)
if test "$GCC" = yes; then
if test "$USE_MAINTAINER_MODE" = "yes"; then
CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+ CFLAGS="$CFLAGS -Wformat-nonliteral"
else
CFLAGS="$CFLAGS -Wall"
fi