[MacPorts] #15446: teTeX 3.0_5 activation failed

[MacPorts]

#15446: teTeX 3.0_5 activation failed
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  Reporter:  jmstephensjr at gmail.com  |       Owner:  stechert at macports.org
      Type:  defect                  |      Status:  new                  
  Priority:  Normal                  |   Milestone:  Port Bugs            
 Component:  ports                   |     Version:  1.6.0                
Resolution:                          |    Keywords:  teTeX octave         
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Comment (by milosh at macports.org):

 Replying to [comment:3 alakazam at melix.net]:
 > Is it possible to handle multiple ports providing the same dependencies
 without resorting to variants ? I would imagine that the answer is no,
 which would mean I need to add a variant for {{{pTeX}}} so as to avoid the
 difficulties encountered in this ticket, and at the same time allow
 japanese {{{octave}}} users to rely on {{{pTeX}}} instead of
 {{{texlive}}}.

 It is possible to accept a dependency provided by serveral ports without
 variants: the bin:tex:texlive dependency scheme is fulfilled as soon as
 some port (or even apple) installed a program named tex in the PATH. To
 ensure it was installed through macports, you can use
 path:${prefix}/bin/tex:texlive which searches for the said file (a file
 that ptex, teTeX and texlive should all create), and installs texlive if
 the file doesn't exist.

 This is exactly why most dependency on LaTeX are written as a bin: or
 path: instead of the most used port: dependency scheme.

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Ticket URL: <http://trac.macports.org/ticket/15446#comment:4>
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