Re: [PATCH] kernel: add support for gcc 5

[Andrew Morton]

On Thu, 4 Sep 2014 23:19:34 +0200 Richard Weinberger <richard.weinberger@xxxxxxxxx> wrote:

> On Thu, Sep 4, 2014 at 11:12 PM, Andrew Morton
> <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> > On Thu,  4 Sep 2014 11:37:19 -0400 Sasha Levin <sasha.levin@xxxxxxxxxx> wrote:
> >
> >> We're missing include/linux/compiler-gcc5.h which is required now
> >> because gcc branched off to v5 in trunk.
> >>
> >> Just copy the relevant bits out of include/linux/compiler-gcc4.h,
> >> no new code is added as of now.
> >>
> >> This fixes a build error when using gcc 5.
> >
> > I think I'll stick a cc:stable on this one, as people will presumably
> > wish to compile older kernels with newer gcc's at some time in the
> > future.
> 
> CC'ing Hannes, he sent a much simpler gcc5 patch a few days ago.
> https://lkml.org/lkml/2014/8/26/710

That approach won't last for long - as soon as we add some
gcc5-specific thing, we'll need a new file.

Let history be a guide:

diff -u include/linux/compiler-gcc3.h include/linux/compiler-gcc4.h
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