[MacPorts] #62887: mpich: several subports failing on certain OS versions

[MacPorts]

#62887: mpich: several subports failing on certain OS versions
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  Reporter:  jmroot  |      Owner:  eborisch
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  mpich   |
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Comment (by mascguy):

 Yes, it's difficult to keep track of what issues are occurring where.

 For the 10.7 gcc9 case, it looks like configure is complaining about a
 lack of a C99-compliant compiler:
 {{{
 checking for /opt/local/bin/gcc-mp-9 option to accept ISO C99...
 unsupported
 configure: WARNING: Libfabric requires a C99-compliant compiler
 configure: error: Cannot continue
 configure: error: libfabric configure failed
 }}}

 https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/52814/steps
 /install-port/logs/stdio

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Ticket URL: <https://trac.macports.org/ticket/62887#comment:6>
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