From 97592faa51eacda9a949c4f0ba2a6d7989ef5f3b Mon Sep 17 00:00:00 2001
From: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Date: Sat, 12 Jul 2014 22:11:56 +0200
Subject: [PATCH] Add -Wformat and -Werror=format-security compiler flags

These are part of the hardening flags used by Debian.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 configure | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure b/configure
index e39ecb9b580..a89639db762 100755
--- a/configure
+++ b/configure
@@ -5067,9 +5067,11 @@ elif enabled ccc; then
 elif enabled gcc; then
     check_optflags -fno-tree-vectorize
     check_cflags -Werror=implicit-function-declaration
+    check_cflags -Werror=format-security
     check_cflags -Werror=missing-prototypes
     check_cflags -Werror=return-type
     check_cflags -Werror=vla
+    check_cflags -Wformat
     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
 elif enabled llvm_gcc; then
     check_cflags -mllvm -stack-alignment=16
-- 
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