We imported cc-option but forgot to import cc-disable-warning. Fixes: b556a992c3ad ("btrfs-progs: build: allow to build with various compiler warnings") Signed-off-by: Qu Wenruo <w...@suse.com> --- Makefile.extrawarn | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Makefile.extrawarn b/Makefile.extrawarn index 1f4bda94a167..18a3a860053e 100644 --- a/Makefile.extrawarn +++ b/Makefile.extrawarn @@ -19,6 +19,12 @@ try-run = $(shell set -e; \ cc-option = $(call try-run,\ $(CC) $(CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2)) +# cc-disable-warning +# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable) +cc-disable-warning = $(call try-run,\ + $(CC) -Werror $(CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1))) + + # From linux.git/scripts/Makefile.extrawarn # ========================================================================== # -- 2.19.2