[MacPorts] #58545: libsdl2 @2.0.9 +x11 configure failure on mac os x 10.10

[MacPorts]

#58545: libsdl2 @2.0.9 +x11 configure failure on mac os x 10.10
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  Reporter:  photor   |      Owner:  jmroot
      Type:  defect   |     Status:  accepted
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.5.4
Resolution:           |   Keywords:
      Port:  libsdl2  |
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Comment (by photor):

 I don't know why my comment is lost. The attched is config.log (while
 there is no main.log found in the path indicated in the error message).

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Ticket URL: <https://trac.macports.org/ticket/58545#comment:5>
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