you should search trac for known issues before posting to the list. In this case you would have found the long standing issue with libarchive on old OSX releases.
https://trac.macports.org/ticket/53712 On 21/03/17 02:12, t...@qx.net wrote:
Mac mini 2.7Ghz Intel Core i7 8 GB 1333 Mhz DDR3 Lion OS X 10.7.5 ffmpeg @3.1.4_0+gpl2+x11 (active) Attempting this update broke my ffmpeg. Port update was successful. Please help. Thank you, Tom
