[MacPorts] #59951: ossp-uuid +perl5_26: fatal error: 'sys/types.h' file not found

[MacPorts]

#59951: ossp-uuid +perl5_26: fatal error: 'sys/types.h' file not found
------------------------+----------------------
  Reporter:  essandess  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  catalina
      Port:  ossp-uuid  |
------------------------+----------------------

Comment (by mouse07410):

 Immediately after upgrading the latest Mojave to Catalina, same experience
 as Derek had: **re-installing** CommandLineTools solved the problem.
 Somehow, the upgrade wiped out the {{{SDKs}}} subdirectory of the
 CommandLineTools.

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Ticket URL: <https://trac.macports.org/ticket/59951#comment:8>
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