Makefile.inc: Use 'Wold-style-definition'
Warn when a definition is using '()' instead of '(void)'.
Use of ‘()’ is considered an old-style definition in C1x standards,
but probably not in C2x.
Change-Id: I734cfffe3e89996ab13e846cc08e13753f24f742
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70205
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/Makefile.inc b/Makefile.inc
index ef565c2..3eaabaf 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -414,7 +414,7 @@
CFLAGS_common += -pipe -g -nostdinc -std=gnu11
CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
-CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla
+CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla -Wold-style-definition
CFLAGS_common += -Wdangling-else
CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie