[MacPorts] #22557: MacPorts base should verify build_arch has a sensible value

[MacPorts]

#22557: MacPorts base should verify build_arch has a sensible value
-------------------------------------+--------------------------------------
 Reporter:  ryandesign@…             |       Owner:  macports-tickets@…                   
     Type:  defect                   |      Status:  new                                  
 Priority:  Normal                   |   Milestone:  MacPorts Future                      
Component:  base                     |     Version:  1.8.1                                
 Keywords:                           |        Port:                                       
-------------------------------------+--------------------------------------

Comment(by ryandesign@…):

 That wouldn't catch typos. I'd rather check for the four specific
 architectures Mac OS X currently supports. If Mac OS X supports additional
 architectures later, we can update the check.

-- 
Ticket URL: <http://trac.macports.org/ticket/22557#comment:2>
MacPorts <http://www.macports.org/>
Ports system for Mac OS