[MacPorts] #18944: linking with mpicc fails with undefined symbols

[MacPorts]

#18944: linking with mpicc fails with undefined symbols
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 Reporter:  greg.novak@…          |       Owner:  macports-tickets@…                   
     Type:  defect                |      Status:  new                                  
 Priority:  Normal                |   Milestone:  Port Bugs                            
Component:  ports                 |     Version:  1.7.0                                
 Keywords:                        |        Port:                                       
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 When linking files compiled with mpicc, linking fails with undefined
 symbols _PMPI_Allreduce and similar.  This is because the build directory
 is inserted into the mpicc script.  The script contains the line:

 prefix=/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_mpich/work/destroot/opt/local

 whereas it should contain the line:
 prefix=/opt/local/

 The first prefix line does not exist after building, so mpicc looks in a
 non-existant directory for its libraries.

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Ticket URL: <http://trac.macports.org/ticket/18944>
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