[MacPorts] #57659: emacs-mac-app 7.4: error on clean installation

[MacPorts]

#57659: emacs-mac-app 7.4: error on clean installation
-----------------------+---------------------------
 Reporter:  rhstanton  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.5.4
 Keywords:             |       Port:  emacs-mac-app
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 I just installed Mac Ports on a new installation of High Sierra, and
 attempted to install emacs-mac-app (with variants +rsvg +imagemagick).
 After the usual minor issues with graphviz, it got to the stage where it
 was installing the main package, but died with an error message:

 Error: Failed to build emacs-mac-app: command execution failed
 Error: See /opt/local/var/macports/logs
 /_Users_stanton_scratch_macports_macports-ports_aqua_emacs-mac-app/emacs-
 mac-app/main.log for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 Error: Processing of port emacs-mac-app failed

 I've tried numerous times, with the same result, and I can install other
 ports fine.

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Ticket URL: <https://trac.macports.org/ticket/57659>
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