[MacPorts] #59246: ffmpeg @4.2.1_1 / x265 @3.2: compile fine but cannot be executed/crash immediately mac os 10.15 catalina / Xcode 11.1

[MacPorts]

#59246: ffmpeg @4.2.1_1 / x265 @3.2: compile fine but cannot be executed/crash
immediately mac os 10.15 catalina / Xcode 11.1
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 Reporter:  jonasjonas  |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:
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 I compiled all my installed port anew on Mac OS Catalina/Xcode 11.1.

 2 of the ports don't work anymore/crash when run: ffmpeg and x265.

 {{{
 $ x265
 fish: “x265” terminated by signal SIGSEGV (Address boundary error)

 $ ffmpeg
 fish: “ffmpeg” terminated by signal SIGSEGV (Address boundary error)
 }}}

 The old versions (installed on 10.14) still work fine.

 Maybe it could be the problem, that the default compile options where
 changed.

 See: https://forums.developer.apple.com/thread/121887

 OpenZFS seemed to have worked around this by recompiling with -fno-stack-
 check:
 https://twitter.com/openzfsonosx/status/1181818389053882369

 Unfortunately I have no idea how to try that in macports.

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Ticket URL: <https://trac.macports.org/ticket/59246>
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