From 26de9c400ee62ee70309f233b6dd68bf2ba70390 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Tue, 4 May 2021 12:47:44 +0200
Subject: [PATCH] build: Silence a cimpiler warning also in non-maintainer
 mode.

--

This yields less warnings during a release build.
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index fd249b230..f684a56a8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1643,6 +1643,9 @@ if test "$GCC" = yes; then
 
     else
         mycflags="$mycflags -Wall"
+        if test x"$_gcc_silent_wno" = xyes ; then
+          mycflags="$mycflags -Wno-format-zero-length"
+        fi
     fi
 
     if test x"$_gcc_silent_wno" = xyes ; then