[MacPorts] #28341: py26-mpi4py tries to apply -arch flag to mpicc

[MacPorts]

#28341: py26-mpi4py tries to apply -arch flag to mpicc
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 Reporter:  marshall.ward@…          |       Owner:  adfernandes@…           
     Type:  defect                   |      Status:  new                     
 Priority:  Normal                   |   Milestone:                          
Component:  ports                    |     Version:  1.9.2                   
 Keywords:                           |        Port:  py26-mpi4py             
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Comment(by marshall.ward@…):

 I had openmpi installed (openmpi @1.5_0+gcc44) but I was using mpich2
 (mpich2 @1.2.1p1_1+gcc44 (active) ). I believe the problem is because I am
 using MacPorts-built gcc compilers, which don't appear to support the
 -arch tag. If I switch to the XCode gcc42, then there aren't any problems.

 The mpi4py package builds without any problem if I deactivate mpich2 and
 activate openmpi (using +openmpi).

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Ticket URL: <https://trac.macports.org/ticket/28341#comment:3>
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