[MacPorts] #52695: doxygen fails to build after migration to Sierra

[MacPorts]

#52695: doxygen fails to build after migration to Sierra
----------------------+----------------------
  Reporter:  jooni41  |      Owner:  css@…
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.3.4
Resolution:           |   Keywords:
      Port:  doxygen  |
----------------------+----------------------

Comment (by ken-cunningham-webuse):

 The error is not in doxygen. It's in opencv, and here is the error
 {{{
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_opencv/opencv/work/opencv-3.1.0/modules/videoio/src/cap_qtkit.mm:46:9:
 fatal error: 'QTKit/QTKit.h' file not found
 148     :info:build #import <QTKit/QTKit.h>
 149     :info:build         ^
 150     :info:build 1 error generated.
 151     :info:build make[2]: ***
 [modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_qtkit.mm.o] Error 1
 152
 }}}

 I get the same error just now when I try to build opencv on Sierra as
 well.

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Ticket URL: <https://trac.macports.org/ticket/52695#comment:6>
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