[MacPorts] #28076: gavl @1.1.1 - build failure error linking with libpng

[MacPorts]

#28076: gavl @1.1.1 - build failure error linking with libpng
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  Reporter:  ibartoli@…                 |       Owner:  ryandesign@…           
      Type:  defect                     |      Status:  closed                 
  Priority:  Normal                     |   Milestone:                         
 Component:  ports                      |     Version:  1.9.2                  
Resolution:  fixed                      |    Keywords:                         
      Port:  gavl                       |  
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Comment(by ryandesign@…):

 I wondered about that too, but it doesn't appear to link with
 libpng.dylib.

 configure.ac says:
 {{{
 dnl Check for libpng (only needed for some tests)
 }}}

 I wasn't sure if those tests were run automatically, or only on "make
 check" or "make test" or something. There is also a `--disable-libpng`
 flag that could be used. But since libpng is already in the indirect
 dependencies of gavl (via doxygen) I didn't see any reason not to make use
 of libpng.

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Ticket URL: <https://trac.macports.org/ticket/28076#comment:4>
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