Re: [PATCH] kbuild: Add extra gcc checks

From: Sam Ravnborg
Date: Sun Feb 20 2011 - 12:57:15 EST


On Sun, Feb 20, 2011 at 05:35:10PM +0100, Borislav Petkov wrote:
> Add a 'W=1' Makefile switch which adds additional checking per build
> object.
>
> The idea behind this option is targeted at developers who, in the
> process of writing their code, want to do the occasional
>
> make W=1 [target.o]
>
> and let gcc do more extensive code checking for them. Then, they
> could eyeball the output for valid gcc warnings about various
> bugs/discrepancies which are not reported during the normal build
> process.
>
> For more background information and a use case, read through this
> thread: http://marc.info/?i=20110218091716.GA4384@bicker
>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: Michal Marek <mmarek@xxxxxxx>
> Cc: linux-kbuild@xxxxxxxxxxxxxxx
> Signed-off-by: Borislav Petkov <bp@xxxxxxxxx>
> ---
> Makefile | 31 +++++++++++++++++++++++++++++++
> 1 files changed, 31 insertions(+), 0 deletions(-)

I like the idea.
But can we avoid polluting the top-level Makefile?
That file is full of unreadable stuff, and adding more
is not good.

Makefile.lib or Makefile.build seems like a better place for this.

Sam
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