On Tue, Jun 12, 2007 at 03:03:57PM -0700, Andrew Morton wrote:
> 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...
I have -Werror-implicit-function-declaration in the CFLAGS of my
testbuilds for ages without ever hitting this.
Perhaps some change in your working tree?
Can you verify this problem with 2.6.22-rc4-mm2?
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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