Re: kbuild - introduce support for subdir-ccflags-y

From: Ingo Molnar
Date: Sat Apr 18 2009 - 16:46:49 EST



* Russell King <rmk+lkml@xxxxxxxxxxxxxxxx> wrote:

> On Sat, Apr 18, 2009 at 02:51:59PM +0200, Sam Ravnborg wrote:
> > The typical use cases are an architecture or a subsystem that
> > decide to cover all files with -Werror.
> > Today alpha, mips and sparc uses -Werror in almost all their
> > Makefile - with subdir-ccflag-y it is now simpler to do so
> > as only the top-level directories needs to be covered.
>
> Hmm, this won't make sense for ARM. We have things like #warning
> and deprecated functions in machine specific headers, and adding
> -Werror to the whole of arch/arm/ will result in these causing
> builds to fail.

This is optional - if you dont want it, you dont set it.

Ingo
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