[MacPorts] #18913: gnuplot installation requires a specific version of Emacs.app

[MacPorts]

#18913: gnuplot installation requires a specific version of Emacs.app
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Reporter:  marc.shapiro@…        |       Owner:  macports-tickets@…                   
    Type:  defect                |      Status:  new                                  
Priority:  Normal                |   Component:  ports                                
 Version:  1.7.0                 |    Keywords:                                       
    Port:  gnuplot               |  
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Comment(by mojca.miklavec.lists@…):

 I added a patch which should solve #27996 and #33554, but I'm not sure if
 it also solves the particular issue in this ticket.

 Maybe one also needs
 {{{
 configure.env EMACS=${prefix}/bin/emacs
 }}}
 if another emacs takes precedence in PATH. It seems to me that lispdir is
 determined with something like
 {{{
 $EMACS -batch -q -eval '(while load-path (princ (concat (car load-path)
 "\n")) (setq load-path (cdr load-path)))' </dev/null >conftest.out
 }}}
 but I'm not sure how to test all the different combinations and border
 cases.

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Ticket URL: <https://trac.macports.org/ticket/18913#comment:7>
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