[Slackbuilds-users] Error building OpenBLAS

Rich Shepard rshepard at appl-ecosys.com
Tue Oct 2 23:04:10 UTC 2018

On Wed, 3 Oct 2018, Didier Spaier wrote:

> Yes, you missed to read OpenBLAS.info that you downloaded, which provides
> a link to the source tarball like this:
> DOWNLOAD="https://github.com/xianyi/OpenBLAS/archive/v0.3.3/OpenBLAS-0.3.3.tar.gz"
> I just checked the link, it is correct.


   Downloaded the tarball and tried building it. The error reported is:

Makefile:135: *** OpenBLAS: Detecting CPU failed.  Please set TARGET
explicitly, e.g.  make TARGET=your_cpu_target.  Please read README for the
detail..  Stop.


OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

Added symbolic link to install a generic blas library that can be used by
Octave and R.

   In OpenBLAS.SlackBuild the target looks at uname -m which here reports the
processor type as x86_64. That target is not explicit in the build file, but
I assume it's accepted in the last choice after i?586 and arm*.

   Should I add a target of x86_64 to the build script?


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