[MacPorts] #20871: cmake universal build fails to find elf.h on 10.6

[MacPorts]

#20871: cmake universal build fails to find elf.h on 10.6
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 Reporter:  treaves@…                 |       Owner:  css@…           
     Type:  defect                    |      Status:  assigned        
 Priority:  Normal                    |   Milestone:                  
Component:  ports                     |     Version:  1.8.0           
 Keywords:                            |        Port:  cmake           
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Comment(by vince@…):

 I can confirm the bug, I can confirm also that building -universal leads
 to the same error (elf.h not found, which is normal), but the builds
 carries on anyway. The best way to fix would maybe to build two different
 binaries and then join them via lipo, as some other ports do.

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Ticket URL: <http://trac.macports.org/ticket/20871#comment:15>
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