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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: ChenQi <Qi.Chen@windriver.com>
Date: Wed, 26 Feb 2014 10:44:45 +0000
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Cc: OE-core <openembedded-core@lists.openembedded.org>
Subject: Re: [PATCH 1/1] python-numpy: fix compile error for qemumips
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On Wed, 2014-02-26 at 18:22 +0800, ChenQi wrote:
> On 02/26/2014 06:02 PM, Burton, Ross wrote:
> > On 26 February 2014 07:33, Chen Qi <Qi.Chen@windriver.com> wrote:
> >> This is because for qemumips, there are no such files in SRC_URI. And
> >> actually we don't need such files. So for qemumips, the `cp' command
> >> is expected to fail.
> > Those files contain the definitions of things like word size and byte
> > ordering, so unless I've misunderstood the build process for numpy
> > what's happening with this patch is that it's using the host
> > environment.
> >
> > Ross
> >
> >
> 
> Those files are there already.
> For archs like x86, we first replace them so that the build process 
> doesn't fail (according to the comments in the recipe); but for 
> mips/ppc, we don't need to do so, the build just succeeds.
> 
> chenqi@pek-hostel-vm07:~/poky/build-qemumips64 [0] $ ls 
> tmp/work/mips64-poky-linux/python-numpy/1.7.0-r1/numpy-1.7.0/build/src.linux-i686-2.7/numpy/core/include/numpy/
> config.h  __multiarray_api.c  __multiarray_api.h multiarray_api.txt  
> _numpyconfig.h  __ufunc_api.c  __ufunc_api.h ufunc_api.txt  
> __umath_generated.c

Ross' point stands, its just using the values from the host (build)
system. If your build system was mips it might stand a chance of
working, I suspect you're building on x86 though and x86 != mips.

Cheers,

Richard