From 18b4f8b359228941df10e5fc2af87a5ed56f0753 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Fri, 7 Dec 2018 10:05:51 +0100
Subject: [PATCH] build: Enable -Wformat -Wformat-security compiler warnings

---
 acinclude.m4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/acinclude.m4 b/acinclude.m4
index caa09e8b..4d09dc6e 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -22,6 +22,7 @@ AC_DEFUN([COMPILER_FLAGS], [
 		CFLAGS+=" -Wdeclaration-after-statement"
 		CFLAGS+=" -Wmissing-declarations"
 		CFLAGS+=" -Wredundant-decls"
+		CFLAGS+=" -Wformat -Wformat-security"
 		if ( $CC -v 2>/dev/null | grep "gcc version" ); then
 			CFLAGS+=" -Wcast-align"
 		fi