linux-kernel - Re: [PATCH 00/11] jump label v7

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Message-ID: <20100428020819.GN12389@ozlabs.org>
Date:	Wed, 28 Apr 2010 12:08:19 +1000
From:	Tony Breeds <tony@...eyournoodle.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	linux-kernel@...r.kernel.org, dank@...el.com
Subject: Re: [PATCH 00/11] jump label v7

On Tue, Apr 27, 2010 at 09:49:41PM -0400, Mathieu Desnoyers wrote:

> The crosstool package from Dan Kegel did a good job for this. Not sure
> it's currently maintained though. It was a very useful project, it's a
> shame if it does not live on. It would be good to have up-to-date and
> tested compilers for various architectures available on kernel.org,
> ideally with access to a package that helps building compilers for
> various architectures.

Trimmed the CC' as this is a bit of a tangent.

Crosstool did a good job but seems to be less current than we'd like for the
kernel[1].  When using crosstool in the past I found a lot of the complexity
was in *libc to the toolcahins I've built don';t have a libc so they're only
helpful for kernel (or similar) builds.

In terms of "testing", I build a kernel for each toolchain but I don't boot
them and in the past I think blackfin said that what I had wouldn't actually be
runable.  Last time I looked the wasn't a non-intel cross-toolchain for blackfin.

I shoudl also mention that a subset of these compilers are used to build test
linux-next daily.

Yours Tony

[1] http://www.kegel.com/crosstool/crosstool-0.43/buildlogs/
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