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Date: Wed, 31 Aug 2011 01:27:32 +0200
Message-ID: <CAKf_S2Jh5OvyKAkSV1mYXtxFOTu9QiX0phCM0Gh=c55_fj6Mpw@mail.gmail.com>
Subject: Re: [gentoo-user] Problem with cblas libraries
From: denis cohen <denis.cohen@gmail.com>
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Just an update: gmsh build with USE=3D"-blas"
Denis
On Wed, Aug 31, 2011 at 01:14, denis cohen <denis.cohen@gmail.com> wrote:
> Following Michael Mol's advice I masked these in /etc/portage/package.mas=
k:
>
>>=3Dvirtual/blas-2.0
>>=3Dvirtual/cblas-2.0
>>=3Dvirtual/lapack-3.1
>>=3Dsci-libs/cblas-reference-20030223-r5
>>=3Dsci-libs/lapack-reference-3.2.1
>>=3Dsci-libs/gsl-1.14
>
> and did an "emerge -uD world".
>
> All blocks were gone and after the emerge I got gsl working again.
> I am also not sure what use is eselect-cblas since eselect blas works
> without it.
>
> gmsh still won't emerge with these types of errors:
> ...
> [100%] Building CXX object CMakeFiles/gmsh.dir/contrib/bamg/bamglib/Meshi=
o.cpp.o
> [100%] Building CXX object
> CMakeFiles/gmsh.dir/contrib/bamg/bamglib/QuadTree.cpp.o
> [100%] Building CXX object
> CMakeFiles/gmsh.dir/contrib/bamg/bamglib/SetOfE4.cpp.o
> Linking CXX executable gmsh
> CMakeFiles/gmsh.dir/Numeric/fullMatrix.cpp.o: In function
> `fullMatrix<double>::invertInPlace()':
> fullMatrix.cpp:(.text+0xcc): undefined reference to `dgesv_'
> CMakeFiles/gmsh.dir/Numeric/fullMatrix.cpp.o: In function
> `fullMatrix<double>::gemm(fullMatrix<double> const&,
> fullMatrix<double> const&, double, double)':
> fullMatrix.cpp:(.text+0x1e9): undefined reference to `dgemm_'
> CMakeFiles/gmsh.dir/Numeric/fullMatrix.cpp.o: In function
> `fullVector<double>::axpy(fullVector<double> const&, double)':
> fullMatrix.cpp:(.text+0x260): undefined reference to `daxpy_'
> ...
>
> So making some progress.
>
> Denis
>
>
>
> On Wed, Aug 31, 2011 at 01:02, Alex Schuster <wonko@wonkology.org> wrote:
>> denis cohen writes:
>>
>>> I've unmerged cblas* blas* gsl, synced, and "emerge -uDN world "also
>>> without success (also tried cblas-external USE flag but could not see
>>> it with eix).
>>
>> What's your problem with the world update? Adding --tree to the emerge
>> command might show what pulls in what. I had to unmerge clapack and lapa=
ck-
>> reference yesterday, but I cannot remember the details - it all started =
with
>> digikam not building because some blas stuff was missing. But finally th=
e
>> @world update was possible. And both got re-installed.
>>
>>> eselect cblas also gave no results.
>>
>> Here it is set to the only option gsl.
>>
>>> One problem I may have is with eselect. eselect-cblas has been
>>> unmerged but trying to re-emerge it gives this block.
>>
>> I get the very same blocker as you. eselect cblas is working, though. So=
is
>> eselect-cblas being needed at all?
>>
>> =A0 =A0 =A0 =A0Wonko
>>
>>
>