make safe_flag treat unknown warnings as missing

2019-08-18 01:14:45 -04:00 · 2019-08-18 01:14:45 -04:00 · cc8c4459e1
parent b6b910f032
commit cc8c4459e1
1 changed files with 1 additions and 1 deletions
--- a/2
+++ b/2
@ -21,7 +21,7 @@ CONFIG_N_ARENA := 4
 CONFIG_STATS := false

 define safe_flag
-$(shell $(CC) -E $1 - </dev/null >/dev/null 2>&1 && echo $1 || echo $2)
+$(shell $(CC) $(if $(filter clang,$(CC)),-Werror=unknown-warning-option) -E $1 - </dev/null >/dev/null 2>&1 && echo $1 || echo $2)
 endef

 CPPFLAGS := $(CPPFLAGS) -D_GNU_SOURCE