From b24dd22d002fa98a6b8ff294ae312b08a1259e06 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Thu, 1 Feb 2024 20:48:49 +0100
Subject: [PATCH] meson: define _GNU_SOURCE when checking for SO_PASSCRED
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SO_PASSCRED is not exposed in standards mode that was enabled in
commit 6240e4458cdf ("build: use -std=c99 and -std=c++11 by default").

Fixes: #2750
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---
 meson.build | 1 +
 1 file changed, 1 insertion(+)

diff --git a/meson.build b/meson.build
index 4f85cee154..7bd87e6fa2 100644
--- a/meson.build
+++ b/meson.build
@@ -783,6 +783,7 @@ have_sock_nonblock = cc.has_header_symbol(
   required : build_plymouth_support.enabled())
 have_so_passcred = cc.has_header_symbol(
   'sys/socket.h', 'SO_PASSCRED',
+  args : ['-D_GNU_SOURCE'],
   prefix : '#include <sys/types.h>',
   required : build_plymouth_support.enabled())
 
-- 
2.47.3