[Octave-bug-tracker] [bug #57222] `version -blas` no longer works with Debian libopenblas0-pthread libblas.so.3 library

[Mike Miller]

URL:
  <https://savannah.gnu.org/bugs/?57222>

                 Summary: `version -blas` no longer works with Debian
libopenblas0-pthread libblas.so.3 library
                 Project: GNU Octave
            Submitted by: mtmiller
            Submitted on: Wed 13 Nov 2019 10:39:49 AM PST
                Category: Octave Function
                Severity: 2 - Minor
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: GNU/Linux

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Details:

The Debian BLAS implementations have gone through a major reorg. The result is
that the libblas.so.3 library file provided by the libopenblas0-pthread
package no longer links with libopenblasp-r0.3.7.so. The symbol
`openblas_get_config` is no longer included in that library, so even though it
is actually OpenBLAS, Octave can't detect that it's OpenBLAS or get the config
string.

Here's a list of OpenBLAS specific symbols that are still present in this new
library

* openblas_block_factor
* openblas_fork_handler
* openblas_get_num_procs
* openblas_get_num_threads
* openblas_goto_num_threads_env
* openblas_num_threads_env
* openblas_omp_num_threads_env
* openblas_read_env
* openblas_set_num_threads
* openblas_thread_timeout
* openblas_verbose
* openblas_warning





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