[MacPorts] #29574: lemon: fix universal variant and support build_arch

[MacPorts]

#29574: lemon: fix universal variant and support build_arch
-------------------------------------+--------------------------------------
 Reporter:  ryandesign@…             |       Owner:  mww@…           
     Type:  defect                   |      Status:  new             
 Priority:  Normal                   |   Milestone:                  
Component:  ports                    |     Version:  1.9.2           
 Keywords:                           |        Port:  lemon           
-------------------------------------+--------------------------------------
 lemon's universal variant does not install universal software, nor does
 the port respect changes to build_arch in macports.conf

-- 
Ticket URL: <https://trac.macports.org/ticket/29574>
MacPorts <http://www.macports.org/>
Ports system for Mac OS