[MacPorts] #54993: Processing of port openmpi-gcc7 failed

[MacPorts]

#54993: Processing of port openmpi-gcc7 failed
---------------------------+------------------------
  Reporter:  ogourgue      |      Owner:  seanfarley
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.4.1
Resolution:                |   Keywords:  highsierra
      Port:  openmpi-gcc7  |
---------------------------+------------------------

Comment (by SigneRiemer):

 I cannot navigate to /Volumes/xxx/usr/include/sys in rescue mode. No
 problem in normal mode, but then of course syslog.h is read-only. In
 rescue mode the only option under /Volumes/ is OS X Base System for which
 the usr directory doesn't have any include or sys subdirectories... Any
 suggestions?

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Ticket URL: <https://trac.macports.org/ticket/54993#comment:13>
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