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From: Andrew Morton <akpm@linux-foundation.org>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linux-kernel@vger.kernel.org, oberparleiter@googlemail.com,
	peter.oberparleiter@de.ibm.com, sam@ravnborg.org,
	ltp-coverage@lists.sourceforge.net
Subject: Re: [PATCH 0/7] gcov kernel support
Date: Fri, 23 May 2008 15:23:11 -0700	[thread overview]
Message-ID: <20080523152311.1dde66a7.akpm@linux-foundation.org> (raw)
In-Reply-To: <7b1023f2a9cf769f8bc047c0116be9dd@kernel.crashing.org>

On Fri, 23 May 2008 23:52:43 +0200
Segher Boessenkool <segher@kernel.crashing.org> wrote:

> >> You *can* build with a non-biarch compiler, but then you need to point
> >> the kernel build system at a 32-bit toolchain to use for the 32-bit
> >> parts (via CROSS32_COMPILE).
> >
> > Jens built this one, using crosstool.  It is
> > http://userweb.kernel.org/~akpm/cross-compilers/power64-cross.tar.bz2
> >
> > It was all working happily until gcov came along :(
> 
> You were lucky, yes.  If your compiler would have been just a little
> bit older it wouldn't have been able to build 32-bit at all.
> 
> Do you have a separate 32-bit PowerPC compiler?

I dont' cross-compile for 32-bit power.  This is all 64-bit stuff.

>  If so, just set
> CROSS32_COMPILE to it; if not, you'll need a new toolchain.  In
> that case, it's probably worthwhile to upgrade to 4.1.2 at least...

Sigh.  Life's too short.  I'll go back to testing powerpc builds on the
powerpc box.


  reply	other threads:[~2008-05-23 22:26 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-19  8:42 Peter Oberparleiter
2008-05-19 11:42 ` Andi Kleen
2008-05-23  8:12 ` Andrew Morton
2008-05-23 11:06   ` Segher Boessenkool
2008-05-23 16:56     ` Andrew Morton
2008-05-23 21:52       ` Segher Boessenkool
2008-05-23 22:23         ` Andrew Morton [this message]
2008-05-27  8:32   ` Peter Oberparleiter

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