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Date: Fri, 18 Oct 2013 20:15:10 -0500
From: Steven Trogdon <strogdon@d.umn.edu>
To: gentoo-science@lists.gentoo.org
Subject: Re: [gentoo-science] Compiling the development version of GNU
Octave
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On Fri, 18 Oct 2013 20:21:25 -0300
Jos=E9 Romildo Malaquias <j.romildo@gmail.com> wrote:
> Hello.
>=20
> I want to try the development version of GNU Octave[1] on my ~amd64
> gentoo linux system.
>=20
> After cloning the repository[2], reading the instructions at [3],
> bootstrapping, changing to directory .build and running ./configure, I
> am getting the error messages:
>=20
> [...]
> checking for sgemm_ in -lblas... (cached) no
> ../configure: line 32516: test: =3D: unary operator expected
> ../configure: line 34026: test: =3D: unary operator expected
> ../configure: line 35581: test: =3D: unary operator expected
> configure: error: BLAS and LAPACK libraries are required
>=20
>=20
> Any clues?
>=20
> [1] http://www.gnu.org/software/octave/get-involved.html
> [2] http://www.octave.org/hg/octave
> [3] http://www.octave.org/hg/octave/file/tip/etc/HACKING
>=20
> Romildo
>=20
I appears you have to configure octave with the output of pkg-config --libs
{blas/lapack}. Here I have
$ pkg-config --libs blas
-lrefblas
$ pkg-config --libs lapack
-lreflapack -lrefblas
So the following configure works here
../configure --with-blas=3Drefblas --with-lapack=3Dreflapack
Or you may get something like this (all on one line) to work
../configure --with-blas=3D`pkg-config --libs blas | sed 's:-l::g' | sed
's:[[:space:]].*$::g'` --with-lapack=3D`pkg-config --libs lapack | sed 's:-=
l::g'
| sed 's:[[:space:]].*$::g'`
There may be other things that are missing but I'm able to generate the
makefiles with the above.
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