Messages in this thread Patch in this message | | | Date | Wed, 28 Jun 2006 18:54:40 +0200 | From | Adrian Bunk <> | Subject | [2.6 patch] add -Werror-implicit-function-declaration to CFLAGS |
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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>
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Makefile | 3 ++- drivers/input/joystick/iforce/Makefile | 2 -- 2 files changed, 2 insertions(+), 3 deletions(-)
--- linux-2.6.17-mm3-full/Makefile.old 2006-06-27 11:06:51.000000000 +0200 +++ linux-2.6.17-mm3-full/Makefile 2006-06-27 11:07:12.000000000 +0200 @@ -317,7 +317,8 @@ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common + -fno-strict-aliasing -fno-common \ + -Werror-implicit-function-declaration AFLAGS := -D__ASSEMBLY__ # Read KERNELRELEASE from include/config/kernel.release (if it exists) --- linux-2.6.17-mm3-full/drivers/input/joystick/iforce/Makefile.old 2006-06-27 11:07:20.000000000 +0200 +++ linux-2.6.17-mm3-full/drivers/input/joystick/iforce/Makefile 2006-06-27 11:07:32.000000000 +0200 @@ -16,5 +16,3 @@ ifeq ($(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/
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