[GRASS-user] Library question

GRASS GRASS user
1

I run grass-7.9.dev on Slackware-14.2 with OpenBLAS-0.3.12-x86_64-1_SBo
installed. When I configure a new download from the git repo it does not
find this library, but asks for BLAS:
checking whether to use BLAS... yes
checking for location of BLAS includes... checking for location of BLAS library... checking for cblas.h... yes
checking for dnrm2_ in -lblas... no
configure: error: *** Unable to locate BLAS library.

Can I change the request for BLAS to OpenBLAS?

TIA,

Rich

2

Hi Rich,

I think you also need LAPACK (liblapack-dev, not sure how that package is named on slackware).

Cheers
Stefan

-----Original Message-----
From: grass-user <grass-user-bounces@lists.osgeo.org> On Behalf Of Rich Shepard
Sent: lørdag 27. februar 2021 15:27
To: grass-user@lists.osgeo.org
Subject: [GRASS-user] Library question

I run grass-7.9.dev on Slackware-14.2 with OpenBLAS-0.3.12-x86_64-1_SBo installed. When I configure a new download from the git repo it does not find this library, but asks for BLAS:
checking whether to use BLAS... yes
checking for location of BLAS includes...
checking for location of BLAS library...
checking for cblas.h... yes
checking for dnrm2_ in -lblas... no
checking for dnrm2_ in -lblas... no
configure: error: *** Unable to locate BLAS library.

Can I change the request for BLAS to OpenBLAS?

TIA,

Rich
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3

On Sat, 27 Feb 2021, Stefan Blumentrath wrote:

I think you also need LAPACK (liblapack-dev, not sure how that package is
named on slackware).

Stefan,

I thought that was provided in OpenBLAS, but it's not. So, I'll install
LAPACK (and Slackware doesn't separate libraries from the rest of the tool;
it's all in one package.)

Thanks,

Rich