Re: [UM-LINUX] what blas did octave link with?

[J. Milgram]

The man page says "ldd shows the entire dependency tree of the executable."
I "think" that means that ldd should list libopenblas.so if it were 
linked at all.


On 5/25/25 18:23, Bob Schmertz wrote:
My first thought was it could be an indirect link. Is that possible?

On Sun, May 25, 2025 at 5:55 PM Peter J. Teuben <teu...@umd.edu> wrote:

    Maybe a statc link. The strings command might give names you
    recognize

    On Sun, May 25, 2025, 17:02 J. Milgram <milg...@cgpp.com> wrote:

        Here's a mystery I'm hoping someone can explain:

        I just built octave (9.2.0). As usual, an easy build.  But
        this time I'm
        curious: How can I confirm that it linked against OpenBLAS and
        not one
        of the  other blas's I  have installed?

        ldd /usr/bin/octave doesn't turn up any blas libraries at all.
        (huh?!)

        The build procedure  is advertised as using the first blas it
        finds from
        the list [ OpenBLAS, atlas, netlib reference implementation ].
        I have
        the first and third installed so  am hoping for OpenBLAS.

        Anyone know a way to check this? Or why ldd doesn't show the
        executable
        linked to any blas at all?

        thanks! And a meaningful Mem Day to all.

        Judah



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