[ET Trac] [Einstein Toolkit] #1667: ExternalLibraries/MPI should report error messages

[Einstein Toolkit]

#1667: ExternalLibraries/MPI should report error messages
---------------------+------------------------------------------------------
  Reporter:  hinder  |       Owner:                     
      Type:  defect  |      Status:  new                
  Priority:  minor   |   Milestone:                     
 Component:  Cactus  |     Version:  development version
Resolution:          |    Keywords:  MPI                
---------------------+------------------------------------------------------

Comment (by knarf):

 How does your MPI configuration look like? Which MPI_ variables do you
 set, and what to?

 If I read the code correctly, you likely set MPI_DIR to some directory,
 but no other
 variables (MPI_*_DIRS or MPI_LIBS). Do you see one of the two messages

 {{{
 Found mpi compiler wrapper at ...
 }}}
 or
 {{{
 No mpi compiler wrapper found beneath MPI_DIR (MPI_DIR=$ENV{MPI_DIR})
 }}}
 or possibly
 {{{
 MPI_DIR is set to a directory that does not exist (MPI_DIR=$ENV{MPI_DIR});
 continuing anyway
 }}}
 (although I am aware that you would have reported it if so - just to make
 sure).

-- 
Ticket URL: <https://trac.einsteintoolkit.org/ticket/1667#comment:5>
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