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 <robimarko@gmail.com>
This commit is contained in:
Robert Marko 2025-04-16 11:42:54 +02:00
parent 71446d8052
commit 8c141e53d7

View file

@ -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