[MacPorts] #55725: unpaper-6.1 fails configure phase (requires libav?)

[MacPorts]

#55725: unpaper-6.1 fails configure phase (requires libav?)
--------------------+---------------------
 Reporter:  jxy     |      Owner:
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  unpaper
--------------------+---------------------
 Compile unpaper-6.1 gives the following error.

 {{{
 :info:configure checking for libavformat libavcodec libavutil... no
 :info:configure configure: error: Package requirements (libavformat
 libavcodec libavutil) were not met:
 :info:configure No package 'libavformat' found
 :info:configure No package 'libavcodec' found
 :info:configure No package 'libavutil' found
 :info:configure Consider adjusting the PKG_CONFIG_PATH environment
 variable if you
 :info:configure installed software in a non-standard prefix.
 :info:configure Alternatively, you may set the environment variables
 LIBAV_CFLAGS
 :info:configure and LIBAV_LIBS to avoid the need to call pkg-config.
 :info:configure See the pkg-config man page for more details.
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_unpaper/unpaper/work/unpaper-6.1"
 && ./configure --prefix=/opt/local --disable-silent-rules
 :info:configure Exit code: 1
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55725>
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