From d13a8ea18f852e97201269e55255a14fe4fe5d0f Mon Sep 17 00:00:00 2001
From: Christian Göttsche <cgzones@googlemail.com>
Date: Mon, 30 Jan 2023 17:36:57 +0100
Subject: Enable format compiler warnings

* libpam/include/pam_cc_compat.h (DIAG_PUSH_IGNORE_FORMAT_NONLITERAL,
DIAG_POP_IGNORE_FORMAT_NONLITERAL): New macros.
* libpam/pam_handlers.c (_pam_open_config_file): Use them to exempt
usage of format string literals from a constant array.
* m4/warn_lang_flags.m4 (gl_WARN_ADD): Add -Wformat=2.
---
 m4/warn_lang_flags.m4 | 1 +
 1 file changed, 1 insertion(+)

(limited to 'm4')

diff --git a/m4/warn_lang_flags.m4 b/m4/warn_lang_flags.m4
index 3ae03274..a4d6022f 100644
--- a/m4/warn_lang_flags.m4
+++ b/m4/warn_lang_flags.m4
@@ -8,6 +8,7 @@ gl_WARN_ADD([-Wcast-align])
 gl_WARN_ADD([-Wcast-align=strict])
 gl_WARN_ADD([-Wcast-qual])
 gl_WARN_ADD([-Wdeprecated])
+gl_WARN_ADD([-Wformat=2])
 gl_WARN_ADD([-Winit-self])
 gl_WARN_ADD([-Winline])
 gl_WARN_ADD([-Wmain])
-- 
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