Messages in this thread Patch in this message | | | Date | Thu, 6 Jul 2006 18:37:28 +0200 | From | Adrian Bunk <> | Subject | [2.6 patch] add -Werror-implicit-function-declaration to CFLAGS |
| |
Currently, using an undeclared function gives a compile warning, but it can lead to a nasty to debug runtime stack corruptions if the prototype of the function is different from what gcc guessed.
With -Werror-implicit-function-declaration we are getting an immediate compile error instead.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
---
Makefile | 3 ++- drivers/input/joystick/iforce/Makefile | 2 -- 2 files changed, 2 insertions(+), 3 deletions(-)
--- linux-2.6.17-mm6-full/Makefile.old 2006-07-06 12:17:02.000000000 +0200 +++ linux-2.6.17-mm6-full/Makefile 2006-07-06 12:18:52.000000000 +0200 @@ -318,7 +318,8 @@ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common + -fno-strict-aliasing -fno-common \ + -Werror-implicit-function-declaration # Force gcc to behave correct even for buggy distributions CFLAGS += $(call cc-option, -fno-stack-protector-all \ -fno-stack-protector) --- linux-2.6.17-mm6-full/drivers/input/joystick/iforce/Makefile.old 2006-07-06 12:19:08.000000000 +0200 +++ linux-2.6.17-mm6-full/drivers/input/joystick/iforce/Makefile 2006-07-06 12:19:16.000000000 +0200 @@ -16,5 +16,3 @@ ifeq ($(CONFIG_JOYSTICK_IFORCE_USB),y) iforce-objs += iforce-usb.o endif - -EXTRA_CFLAGS = -Werror-implicit-function-declaration - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |