[MacPorts] #41550: additional variant of ESS for emacs-mac-app

[MacPorts]

#41550: additional variant of ESS for emacs-mac-app
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  Reporter:  aruminat@…   |      Owner:  jrblevin@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  ess          |
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Comment (by jrblevin@…):

 I'd be happy to add such a variant.  Perhaps I should first ask for advice
 from someone more knowledgable about the MacPorts emacs packages.  Is
 using variants the preferred way to support the various emacs packages?

 I added the emacs_app variant to this package because I found some
 precedence for that in another pre-existing package, but I haven't been
 able to find anything similar for the emacs-mac-app.  This suggests that
 there may be a better way of going about it.  The main reason for the
 variant in this case is that files get installed not only in the site-lisp
 directory, but also in the info and etc directories (for example, with
 emacs-app the relevant site-lisp, etc, and info directories are under
 ${destroot}${applications_dir}/Emacs.app/Contents/Resources/).

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Ticket URL: <https://trac.macports.org/ticket/41550#comment:2>
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