From 8c141e53d720b14a1d8595e0f756f1619df6e763 Mon Sep 17 00:00:00 2001 From: Robert Marko Date: Wed, 16 Apr 2025 11:42:54 +0200 Subject: [PATCH] tools: m4: set -std=gnu17 Fedora 42 updated to GCC15 which now defaults to GNU23 as the default instead of GNU17[1], and this breaks m4 compilation. Its been reported upstream [2], so until its fixed lets simply set C language version back to GNU17. [1] https://gcc.gnu.org/gcc-15/porting_to.html#c23 [2] https://savannah.gnu.org/support/?111150 Link: https://github.com/openwrt/openwrt/pull/18505 Signed-off-by: Robert Marko --- tools/m4/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/m4/Makefile b/tools/m4/Makefile index ee369f3cbb3..c13155397d2 100644 --- a/tools/m4/Makefile +++ b/tools/m4/Makefile @@ -18,6 +18,7 @@ HOST_BUILD_PARALLEL:=1 include $(INCLUDE_DIR)/host-build.mk +HOST_CFLAGS += -std=gnu17 HOST_CONFIGURE_VARS += gl_cv_func_strstr_linear=no define Host/Uninstall -- 2.47.2