[MacPorts] #30778: science/xmedcon sysgcc variant breaks portfile

[MacPorts]

#30778: science/xmedcon sysgcc variant breaks portfile
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 Reporter:  rmstonecipher@…             |       Owner:  jameskyle@…           
     Type:  defect                      |      Status:  new                   
 Priority:  Normal                      |   Milestone:                        
Component:  ports                       |     Version:  2.0.1                 
 Keywords:                              |        Port:  xmedcon               
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Comment(by rmstonecipher@…):

 Breakdown of proposed changes:
  * Use glib2 path-style dependency port-wide rather than just in +gtk2
 variant
  * Remove --enable-png configure argument (default behavior requires no
 argument)
  * Test for +universal rather than +sysgcc
  * Remove redundant glib2 dependency from +gtk2 variant - gtk2 depends on
 glib2
  * Remove redundant gtk1 dependency from +gtk1 variant - gdk-pixbuf
 depends on gtk1
  * Delete do-nothing variant +sysgcc and all references to it

 James,[[br]]
 It looks like the original reason for using gcc43 (now gcc44) by default
 from the original 2008-11-08 port was for FORTRAN support.[[br]]
 Do users benefit from FORTRAN support enough justify the hours-long build
 time required for gcc44?[[br]]
 The system compiler works, so I would like to remove the logic that leads
 to +gcc44 as a default variant - I must be sure it's the right thing to
 do.[[br]][[br]]
 Cheers,[[br]]
 Ryan Stonecipher[[br]][[br]]
 P.S. I goofed a line before generating my .diff, replacement to be
 uploaded shortly

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Ticket URL: <https://trac.macports.org/ticket/30778#comment:1>
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