[MacPorts] #58804: (gnutls at 10.6.8) failed to build gnutls - command execution failed

[MacPorts]

#58804: (gnutls at 10.6.8) failed to build gnutls - command execution failed
----------------------+-------------------------------
  Reporter:  mrkapqa  |      Owner:  Schamschula
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.5.4
Resolution:           |   Keywords:  gnutls youtube-dl
      Port:  gnutls   |
----------------------+-------------------------------

Comment (by mrkapqa):

 Replying to [comment:7 kencu]:
 >  try your install again:
 > {{{
 > sudo port selfupdate
 > sudo port clean gnutls
 > sudo port -v install gnutls
 > }}}
 > if it fails, then the blacklisting and fallbacks are wrong. In that
 case, force clang-8.0 yourself like this:
 > {{{
 > sudo port clean gnutls
 > sudo port -v -N install clang-8.0
 > sudo port -v install gnutls configure.compiler=macports-clang-8.0
 > }}}
 > and that should work. Report back success or failure.
 >
 >

 That helped very much, Gnutls is now installing thanks to

 {{{
 sudo port -v install gnutls configure.compiler=macports-clang-8.0
 }}}

 Build of mpv still fails, also when used with "configure.compiler
 =macports-clang-8.0;
 if i may i can add the log here.

 Thank you very much.

-- 
Ticket URL: <https://trac.macports.org/ticket/58804#comment:8>
MacPorts <https://www.macports.org/>
Ports system for macOS