[MacPorts] #62104: qt5-qtbase @5.15.2_1+debug+openssl fails to build due to missing MoltenVK header

[MacPorts]

#62104: qt5-qtbase @5.15.2_1+debug+openssl fails to build due to missing MoltenVK
header
--------------------------+---------------------------------
  Reporter:  cooljeanius  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect       |     Status:  closed
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.4
Resolution:  fixed        |   Keywords:
      Port:  qt5-qtbase   |
--------------------------+---------------------------------

Comment (by chrstphrchvz):

 Replying to [comment:4 cooljeanius]:
 > Update: I tried building with trace mode turned on and that makes it
 fail with a different error:
 >
 > {{{
 > …
 > perl
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work
 /qtbase-everywhere-src-5.15.2/src/corelib/mimetypes/mime/generate.pl
 --zstd mimetypes/mime/packages/freedesktop.org.xml >
 .rcc/qmimeprovider_database.cpp
 > perl: posix_spawn: /opt/local/var/macports/sip-
 workaround/502/usr/bin/perl5.18: No such file or directory
 > make[2]: *** [.rcc/qmimeprovider_database.cpp] Error 1
 > }}}

 I encountered a nearly identical error building a different port, and have
 an idea of what may be causing it: #64061

-- 
Ticket URL: <https://trac.macports.org/ticket/62104#comment:19>
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