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Date: Sat, 18 Jun 2016 09:05:01 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Vineet Gupta <vgupta@synopsys.com>
Cc: Ingo Molnar <mingo@kernel.org>, Guenter Roeck <linux@roeck-us.net>,
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        Michael Ellerman <michael@ellerman.id.au>,
        Tony Breeds <tony@bakeyournoodle.com>
Subject: Re: Build failures in -next due to 'locking/atomic, arch/arc:
 Implement atomic_fetch_{add,sub,and,andnot,or,xor}()'
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On Fri, Jun 17, 2016 at 10:22:46PM +0200, Vineet Gupta wrote:
> On Friday 17 June 2016 06:04 PM, Ingo Molnar wrote:
> >> I've misplaced my arc compiler, but does this make it go again?
> > There's no arc compiler on korg's cross-building directory.
> 
> Yeah, I'd requested that a few times...
> 
> However we do have ARC kernels building at atleast 2 places
> 1. Guenther's build service which sent this error report
> 2. kisskb build by Michale Ellerman
> 
> Although I don't know if it is possible to download cross tools from either of above.
> 
> @Peter, upstream buildroot allows you to build toolchain for ARC ! Trust me it
> does build :-)

I use segher's buildall script.

buildroot doesn't look useful. I seems to build to only build one target
at a time, and build a crapload of cross-userspace, I just want a
compiler. And I'm most certainly not going to build the compilers one
by one.

The buildall script I put to work and after about an hour I have however
many of the 20+ targets that build with gcc.git and binutils.git cross
compilers.