[MacPorts] #40470: ffmpeg configure error - build failure

[MacPorts]

#40470: ffmpeg configure error - build failure
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 Reporter:  ceguizabal51@…                 |      Owner:  macports-
     Type:  defect                         |  tickets@…
 Priority:  Normal                         |     Status:  new
Component:  ports                          |  Milestone:
 Keywords:  configure error build failure  |    Version:  2.2.0
                                           |       Port:  ffmpeg
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 sudo port install ffmpeg fails with
 {{{
 Failed to configure libass, consult /opt/...libass-0.10.config.log
 Error: org.macports.configure for port libass returned: configure failure:
 command execution failed
 }}}

 port version: 2.2.0 [[br]]
 clang version 4.2 (clang-425.0.28) [[br]]
 target: x86-64-apple-darwin [[br]]
 xcode 4.6.3

 Problem started when doing a port upgrade outdated. [[br]]
 Did a sudo port clean ffmpeg --- same error [[br]]
 Un-installed all of MacPorts, downloaded new package and installed ---
 same error

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Ticket URL: <https://trac.macports.org/ticket/40470>
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