[ET Trac] [Einstein Toolkit] #2049: ExternalLibraries/MPI leads to link error in some cases

[Einstein Toolkit]

#2049: ExternalLibraries/MPI leads to link error in some cases
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  Reporter:  knarf                  |       Owner:                     
      Type:  defect                 |      Status:  closed             
  Priority:  critical               |   Milestone:  ET_2017_05         
 Component:  EinsteinToolkit thorn  |     Version:  development version
Resolution:  fixed                  |    Keywords:                     
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Changes (by knarf):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 For the moment, this is solved by detecting "linux" at build time, and
 adding those libraries in this to the mpi libraries in that case. This is
 not ideal, but the best that can be done short-term. Long-term I don't see
 why libraries when built by Cactus shouldn't be able to announce their
 flags at that time. Thorns depending on them wouldn't have been built at
 that time, or would rebuilt, so the issue is "only" to propagate this into
 the Cactus build system.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/2049#comment:2>
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