[MacPorts] #59207: perl5.28 build fails on Catalina with MacPorts 2.6.1 and Xcode 11.1

[MacPorts]

#59207: perl5.28 build fails on Catalina with MacPorts 2.6.1 and Xcode 11.1
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  Reporter:  nombak    |      Owner:  mojca
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  catalina
      Port:  perl5.28  |
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Comment (by danielseemaier):

 `perl5.28` failed to build for me as well but disabling parallel building
 didn't fix it. For me the issue was a supposedly wrong value for `BPPARGS`
 in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_perl5/perl5.28/work/perl-5.28.2/ext
 /Tie-Hash-NamedCapture/Makefile`: it was set to `-typemap
 '/lib/ExtUtils/typemap'` but the correct path was
 `../../lib/ExtUtils/typemap`.

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Ticket URL: <https://trac.macports.org/ticket/59207#comment:13>
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