[MacPorts] #62423: graphviz 2.40: libtool: compile: unable to infer tagged configuration

[MacPorts]

#62423: graphviz 2.40: libtool: compile: unable to infer tagged configuration
---------------------------+------------------------
  Reporter:  TonyCrawford  |      Owner:  ryandesign
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:
      Port:  graphviz      |
---------------------------+------------------------

Comment (by mkeller):

 Replying to [comment:2 cjones051073]:
 > works fine if you force use of macports clang 9.0
 >
 > {{{
 > sudo port install graphviz configure.compiler=macports-clang-9.0
 > }}}

 To recover from the broken state, you need to run this before installing
 again with the explicit compiler option as given above:
 {{{
 sudo port clean graphviz
 }}}

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Ticket URL: <https://trac.macports.org/ticket/62423#comment:4>
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