[MacPorts] #37604: doxygen and xorg-libxcb circular dependency

[MacPorts]

#37604: doxygen and xorg-libxcb circular dependency
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  Reporter:  jmercie1@…           |      Owner:  macports-tickets@…
      Type:  defect               |     Status:  reopened
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:  2.1.2
Resolution:                       |   Keywords:
      Port:  doxygen xorg-libxcb  |
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Comment (by ryandesign@…):

 Replying to [comment:23 mojca@…]:
 > {{{
 > depends_build-append    bin:pdflatex:texlive-latex-extra \
 >                         bin:gs:ghostscript
 > }}}

 This does not make sense, because again, the texlive-latex-extra port does
 not provide a pdflatex binary; the texlive-latex port does, so to that
 extent, the dependency is now correct as set in r120417. Consider the
 scenario where the texlive-latex port is installed and the texlive-latex-
 extra port is not installed. The proposed dependency "`bin:pdflatex
 :texlive-latex-extra`" would cause MacPorts to not install the port
 texlive-latex-extra, since the pdflatex binary was found. This would cause
 the build to fail because the required components from the texlive-latex-
 extra port were not there.

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Ticket URL: <https://trac.macports.org/ticket/37604#comment:26>
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