[MacPorts] #30330: openmpi does not build on Lion

[MacPorts]

#30330: openmpi does not build on Lion
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 Reporter:  takeshi@…             |       Owner:  mww@…           
     Type:  defect                |      Status:  new             
 Priority:  Normal                |   Milestone:                  
Component:  ports                 |     Version:  2.0.0           
 Keywords:                        |        Port:  openmpi         
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Comment(by mmoll@…):

 Switching to clang also works. In that case xgrid doesn't need to be
 disabled. See attached diff.

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Ticket URL: <https://trac.macports.org/ticket/30330#comment:6>
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