[BuildTools-tickets] [BuildTools] #121: discontinue ThirdParty/Blas and Lapack

BuildTools coin-trac at coin-or.org
Sat Nov 24 08:38:59 EST 2018


#121: discontinue ThirdParty/Blas and Lapack
-----------------------------+---------------------------
Reporter:  stefan            |       Owner:  stefan
    Type:  defect            |      Status:  new
Priority:  major             |   Component:  build system
 Version:  trunk             |  Resolution:
Keywords:  autotools-update  |
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Comment (by stefan):

 While I originally thought that !OpenBlas may also include Lapack, this
 isn't the case on my system (!ArchLinux) at least. I've liblapack.so,
 libblas.so, and various libopenblas*.so. Currently, liblapack.so loads one
 of the libopenblas*.so, so the check for lapack.pc already gets openblas.
 If I were to remove the openblas package, I believe liblapack.so would
 (magically) load libblas.so instead.

 So checking for !OpenBlas in AC_COIN_CHK_LAPACK doesn't make much sense.
 I'm not sure yet whether we will still have need for an AC_COIN_CHK_BLAS
 (i.e., someone needs Blas but not Lapack), but that could then check for
 openblas before blas.

--
Ticket URL: <https://projects.coin-or.org/BuildTools/ticket/121#comment:7>
BuildTools <http://projects.coin-or.org/BuildTools>
Tools for configuring and compiling COIN-OR codes



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