[MacPorts] #61077: otfcc: Error: Unable to open port: can't read "short_arch": no such variable

[MacPorts]

#61077: otfcc: Error: Unable to open port: can't read "short_arch": no such
variable
------------------------+----------------------
 Reporter:  ryandesign  |      Owner:  amake
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.6.3
 Keywords:              |       Port:  otfcc
------------------------+----------------------
 On any system where build_arch is set to neither i386 nor x86_64 the otfcc
 Portfile will fail to work at all:

 {{{
 $ port info otfcc
 Error: Unable to open port: can't read "short_arch": no such variable
 }}}

 When fixing this, also consider what happens when the universal variant is
 used.

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Ticket URL: <https://trac.macports.org/ticket/61077>
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