linux-kernel - Re: Overriding -Werror

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Date:	Fri, 15 Aug 2014 18:51:38 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
Cc:	Brian Norris <computersforpeace@...il.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Artem Bityutskiy <dedekind1@...il.com>
Subject: Re: Overriding -Werror

On Fri, Aug 15, 2014 at 5:33 PM, Lennart Sorensen
<lsorense@...lub.uwaterloo.ca> wrote:
> On Thu, Aug 14, 2014 at 03:21:19PM -0700, Brian Norris wrote:
>> I'm interested in being able to build-test kernels on various
>> architectures while enabling extra warnings (make W=[123]). I'd like to
>> be able to finish the builds and see all warnings, rather than seeing a
>> failed build. However, GCC's -Werror is incompatible with this. There is
>> plenty of code that will produce at least one warning, when warning
>> verbosity is turned up. And GCC's -Werror is not guaranteed to remain
>> stable over time; new versions may develop new warnings that may or may
>> not be legitimate.
>
> What ever is wrong with using '-k' with your make command?

While -k helps to get more compiled, and thus see more warnings, you'll still
be missing the report of missing symbols in the final link/modpost stage.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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