[MacPorts] #61858: libunistring: build fails due to failing configure checks

[MacPorts]

#61858: libunistring: build fails due to failing configure checks
---------------------------+----------------------
  Reporter:  chhil         |      Owner:  ci42
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:
      Port:  libunistring  |
---------------------------+----------------------

Comment (by chhil):

 Restarting fresh. Ports uninstalled, files removed as requested.
 XCode installed using app store.

 {{{
 /usr/bin/xcodebuild -version
 Xcode 12.3
 Build version 12C33
 }}}
 Commandline tools 12.3 installed from apple developer website.
 Macports installed for BigSur.
 Default conf files (whatever was installed)


 **Error :**
 {{{
 --->  Computing dependencies for
 darktable...................................................................................................................................................................................................................................................
 Error: Cannot install ffmpeg for the archs 'arm64 x86_64' because
 Error: its dependency libvpx only supports the archs 'x86_64 i386'.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 Error: Processing of port darktable failed
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/61858#comment:8>
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