From 7f8b74a9ab1b9ea4676cf15490538376d3c7402d Mon Sep 17 00:00:00 2001
From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Tue, 14 Oct 2025 12:37:05 +0300
Subject: [PATCH] m4/dovecot.m4: Use -Wno-default-const-init-field-unsafe if it
 exists

This causes unnecessary warnings about buffer_t.
---
 m4/dovecot.m4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/m4/dovecot.m4 b/m4/dovecot.m4
index 25d922ccab..3e1aadf004 100644
--- a/m4/dovecot.m4
+++ b/m4/dovecot.m4
@@ -521,6 +521,9 @@ AC_DEFUN([CC_CLANG],[
   AC_MSG_CHECKING([whether $CC is clang 3.3+])
   AS_IF([$CC -dM -E -x c /dev/null | $GREP __clang__ > /dev/null 2>&1], [
       AS_VAR_SET([have_clang], [yes])
+      # buffer_t usage triggers this warning
+      gl_WARN_ADD([-Wno-default-const-init-field-unsafe])
+      AM_CFLAGS="$AM_CFLAGS $WARN_CFLAGS"
   ], [
       AS_VAR_SET([have_clang], [no])
   ])
-- 
2.47.3