[MacPorts] #29124: AntTweakBar hardcodes i386 x86_64 archs

[MacPorts]

#29124: AntTweakBar hardcodes i386 x86_64 archs
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 Reporter:  ryandesign@…             |       Owner:  karcaw@…        
     Type:  defect                   |      Status:  new             
 Priority:  Normal                   |   Milestone:                  
Component:  ports                    |     Version:  1.9.2           
 Keywords:  haspatch                 |        Port:  AntTweakBar     
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Changes (by ryandesign@…):

  * keywords:  => haspatch


Comment:

 I propose the attached patch to fix this. May I commit it? In addition to
 respecting the user's choice of architecture(s), it uses
 ${configure.optflags} instead of assuming `-O3`, and ensures we're
 UsingTheRightCompiler.

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Ticket URL: <https://trac.macports.org/ticket/29124#comment:1>
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