[MacPorts] #57156: wgrib2 fails to build on Mac OS X 10.11.6

[MacPorts]

#57156: wgrib2 fails to build on Mac OS X 10.11.6
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  Reporter:  yurukc  |      Owner:  tenomoto
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  wgrib2  |
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Comment (by jmroot):

 OK, so you should run this:
 {{{
 sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
 }}}
 But it looks like there is still a problem with the fortran compiler,
 which is not provided by Xcode but by a port.

-- 
Ticket URL: <https://trac.macports.org/ticket/57156#comment:3>
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