[MacPorts] #22427: ftgl: separating doc as a variant

[MacPorts]

#22427: ftgl: separating doc as a variant
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 Reporter:  takeshi@…             |       Owner:  macports-tickets@…                   
     Type:  enhancement           |      Status:  new                                  
 Priority:  Normal                |   Milestone:                                       
Component:  ports                 |     Version:  1.8.1                                
 Keywords:                        |        Port:  ftgl                                 
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 doxygen is not absolutely necessary unless HTML doc is desired. The
 configure script also looks for tools to build TeX doc such as pdflatex,
 epstopdf, convert. A user may or may not need docs so it is better to be
 separated as a variant.

 In fact I had trouble upgrading octave since octave depends on ftgl and
 ftgl in turn depends on doxygen, which had a build problem (#22426).

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Ticket URL: <http://trac.macports.org/ticket/22427>
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