From b1a5cd151bddddd7193095b96ef616c469fcd3d6 Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 27 Apr 2025 15:43:28 +0000
Subject: [PATCH] m4: Fix build with GCC 15

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---
 lfs/m4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lfs/m4 b/lfs/m4
index 4756ef228..62d4a50a7 100644
--- a/lfs/m4
+++ b/lfs/m4
@@ -31,6 +31,9 @@ DL_FILE    = $(THISAPP).tar.xz
 DL_FROM    = $(URL_IPFIRE)
 DIR_APP    = $(DIR_SRC)/$(THISAPP)
 
+# Fix build with GCC 15
+CFLAGS += -std=gnu17
+
 # Normal build or $(TOOLS_DIR) build.
 #
 ifeq "$(ROOT)" ""
-- 
2.39.5