linux-kernel - Re: [PATCH 03/33] powerpc: Refuse to build 64-bit with GCC-4.2.0 and CONFIG

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Date:	Thu, 19 Jul 2007 17:55:25 +0200
From:	Segher Boessenkool <segher@...nel.crashing.org>
To:	Clemens Koller <clemens.koller@...gramm.de>
Cc:	Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/33] powerpc: Refuse to build 64-bit with GCC-4.2.0 and CONFIG_MODULES

>> From: Segher Boessenkool <segher@...nel.crashing.org>
>> ...since this won't work (compiler bug, see <http://gcc.gnu.org/ 
>> PR31490>).
>
> The bug report says IA64 is broken, too. Please verify and extend the
> patch if possible...

The GCC bug exists on all architectures.  Linux build is only
affected on PowerPC, and only when modules are enabled, as far
as I know.  I have no way to build IA64 kernels right now, someone
else will have to check and create a similar patch if necessary.

> gcc-4.2.1 will be released soon.

For some value of "soon".  Likely this bug will be fixed in 4.2.1,
and if not, I'll just update the range check in here.

Segher

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