[MacPorts] #50697: VLC @2.2.2: build fails when using recently released ffmpeg-3.0

[MacPorts]

#50697: VLC @2.2.2: build fails when using recently released ffmpeg-3.0
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  Reporter:  devans@…       |      Owner:  rjvbertin@…
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:
      Port:  VLC VLC-devel  |
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Comment (by rjvbertin@…):

 In fact it looks like the build is picking up *header* files from the
 official/3.x port, for about the same reasons the linker used to pick up
 libraries from that port. Annoying, apparently `--build-suffix` doesn't
 change the header install locations. I'll have to see what I can do about
 that because this is usually pretty complicated; might require a set of
 reinplaces on the headers in the post-destroot.

 Now, as to using shared libraries installed somewhere in a hidden place
 under ${prefix} ... I thought I'd explained why I considered that the way
 to go, before I went there - and that I didn't get any objections. Yes,
 the libraries aren't invisible, but the chances that another port will
 pick them up by accident are small. I could make them exceedingly small by
 creating the libav*.pc etc. symlinks in the VLC pre-configure. In that
 case, ports would not only have to instruct pkgconfig to look in the right
 location, the configure system would also have to request packages with
 the -VLC suffix.

 Or I can go one step further and bundle everything required to build
 against ffmpeg-VLC into a tarball to be unbundled somewhere under the
 parent work.dir in VLC's pre-configure. I think I'm going to explore that
 idea.

-- 
Ticket URL: <https://trac.macports.org/ticket/50697#comment:38>
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