[MacPorts] #21699: Check that BibTool's dep on texlive is actually needed

[MacPorts]

#21699: Check that BibTool's dep on texlive is actually needed
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 Reporter:  Damien.Pollet@…          |       Owner:  macports-tickets@…                   
     Type:  request                  |      Status:  new                                  
 Priority:  Normal                   |   Milestone:                                       
Component:  ports                    |     Version:  1.8.1                                
 Keywords:                           |        Port:  BibTool                              
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 I'm not sure port `BibTool` actually needs `texlive` to run, since it's an
 independantly distributed program. TeXlive is quite a bit package and for
 me it's redundant because I have a separate non-macports install.

 Anyway, BibTool seems to build fine with the `depends_lib bin:tex:texlive`
 line commented out, and `otool -L` does not report a dependancy in the
 binary.

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Ticket URL: <http://trac.macports.org/ticket/21699>
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