Re: mainline build: 896 warnings 1 failures (mainline/v4.6-rc5-224-gda9373d)

From: Arnd Bergmann
Date: Mon May 02 2016 - 03:24:38 EST


On Sunday 01 May 2016 16:19:53 Olof Johansson wrote:
> On Sun, May 1, 2016 at 2:26 PM, Olof's autobuilder <build@xxxxxxxxx> wrote:
> > Here are the build results from automated periodic testing.
> >
> > The tree being built was mainline, found at:
> >
> > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git (master branch)
> >
> > Topmost commit:
> >
> > da9373d Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
> >
> > Build logs (stderr only) can be found at the following link (experimental):
> >
> > http://arm-soc.lixom.net/buildlogs/mainline/v4.6-rc5-224-gda9373d/
> >
> >
> > Runtime: 5m 0s
> >
> > Passed: 117
> > Failed: 1
> >
> > Warnings: 896
> >
> > Section mismatches: 0
>
> So, yeah, I updated to GCC 6.1.0 and it looks noisy. If it doesn't get
> whittled down pretty quickly I might switch to an older compiler
> again.

Oops, it looks like I never submitted a patch to shut up
-Wunused-const-variable, though I've been building that way
myself here and fixing all /other/ warnings.

I think we want to have -Wunused-const-variable at the W=1 level, but
not by default.

Arnd