* Re: gcc-4.2.0 breakage on powerpc?
[not found] ` <023132a5c5a4f07ec2d46b0515a55d4b@kernel.crashing.org>
@ 2007-05-19 16:11 ` Segher Boessenkool
0 siblings, 0 replies; 2+ messages in thread
From: Segher Boessenkool @ 2007-05-19 16:11 UTC (permalink / raw)
To: Segher Boessenkool
Cc: linuxppc-dev list, Mikael Pettersson, lkml Mailing List
>>>> and we'll end up
>>>> having major kernel releases which don't build on i386 with major
>>>> gcc
>>>> releases, which isn't altogether desirable.
>>>
>>> Yeah, like 4.2.0 with powerpc. Seems like no one tested it :-(
>>
>> Details please. What exactly are the gcc-4.2.0 problems on powerpc?
>
> http://gcc.gnu.org/PR31490 . Most stuff using named
> sections won't build; that includes CONFIG_MODULES.
> There is no viable workaround. The problem is being
> handled. I'll post a patch for the kernel refusing
> to build with this combination soon.
[Cc:ing the PowerPC list]
Oh btw, most likely this is a problem on 64-bit only.
Segher
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: gcc-4.2.0 breakage on powerpc?
@ 2007-05-19 17:28 Mikael Pettersson
0 siblings, 0 replies; 2+ messages in thread
From: Mikael Pettersson @ 2007-05-19 17:28 UTC (permalink / raw)
To: segher; +Cc: linuxppc-dev, mikpe, linux-kernel
On Sat, 19 May 2007 18:11:20 +0200, Segher Boessenkool wrote:
> >>>> and we'll end up
> >>>> having major kernel releases which don't build on i386 with major
> >>>> gcc
> >>>> releases, which isn't altogether desirable.
> >>>
> >>> Yeah, like 4.2.0 with powerpc. Seems like no one tested it :-(
> >>
> >> Details please. What exactly are the gcc-4.2.0 problems on powerpc?
> >
> > http://gcc.gnu.org/PR31490 . Most stuff using named
> > sections won't build; that includes CONFIG_MODULES.
> > There is no viable workaround. The problem is being
> > handled. I'll post a patch for the kernel refusing
> > to build with this combination soon.
>
> [Cc:ing the PowerPC list]
>
> Oh btw, most likely this is a problem on 64-bit only.
I believe so too. PR31490 mostly talks about ppc64,
and I've built both ppc32 kernels and complex ppc32
user-space programs with gcc-4.2.0 without noticing
any regressions.
/Mikael
^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] ` <023132a5c5a4f07ec2d46b0515a55d4b@kernel.crashing.org>
2007-05-19 16:11 ` gcc-4.2.0 breakage on powerpc? Segher Boessenkool
2007-05-19 17:28 Mikael Pettersson
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