On Mon, 11 Jun 2007 23:22:24 -0400
Dave Jones <[email protected]> wrote:
> Add -Werror-implicit-function-declaration
> This makes builds fail sooner if something is implicitly defined instead
> of having to wait half an hour for it to fail at the linking stage.
>
> Signed-off-by: Dave Jones <[email protected]>
>
> --- linux-2.6/Makefile~ 2007-06-04 16:46:24.000000000 -0400
> +++ linux-2.6/Makefile 2007-06-04 16:46:53.000000000 -0400
> @@ -313,7 +313,8 @@ LINUXINCLUDE := -Iinclude \
> 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)
This causes the i386 allmodconfig build to fail:
include/linux/uaccess.h: In function 'pagefault_disable':
include/linux/uaccess.h:23: error: implicit declaration of function '__memory_barrier'
I didn't look to see why...
-
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