Messages in this thread Patch in this message | | | Date | Mon, 7 Nov 2005 21:03:36 +0100 | 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 runtime error 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.
There will be some compile errors in cases where compilation previously worked because the undefined function wasn't called due to gcc dead code elimination, but in these cases a proper fix doesnt harm.
This patch also removes some unneeded spaces between two tabs in the following line.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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This patch was already sent on: - 30 Aug 2005 - 30 Jul 2005
--- linux-2.6.13-rc3-mm3-full/Makefile.old 2005-07-30 13:55:32.000000000 +0200 +++ linux-2.6.13-rc3-mm3-full/Makefile 2005-07-30 13:55:56.000000000 +0200 @@ -351,7 +351,8 @@ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common \ + -Werror-implicit-function-declaration \ + -fno-strict-aliasing -fno-common \ -ffreestanding AFLAGS := -D__ASSEMBLY__ - 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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