[MacPorts] #65921: gtk2 +quartz install and configuration failed on mac os x 10.9.5

[MacPorts]

#65921: gtk2 +quartz install and configuration failed on mac os x 10.9.5
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  Reporter:  yannlr37  |      Owner:  mascguy
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.2
Resolution:            |   Keywords:  quartz
      Port:  gtk2      |
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Comment (by yannlr37):

 After some research, I finally got the right version of Clang.
 It was located in
 {{{/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang}}}
 Now {{{clang -v}}} gave me :

 {{{
 Apple LLVM version 6.0 (clang-600.0.56) (based on LLVM 3.5svn)
 Target: x86_64-apple-darwin13.4.0
 Thread model: posix
 }}}

 But the problem on installing GTK2 remains.

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Ticket URL: <https://trac.macports.org/ticket/65921#comment:8>
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