[MacPorts] #48926: Xcode 7 update seems to cause /usr/bin/clang --version to hang which causes ./configure to hang

[MacPorts]

#48926: Xcode 7 update seems to cause /usr/bin/clang --version to hang which causes
./configure to hang
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  Reporter:  david@…  |      Owner:  macports-tickets@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.3.3
Resolution:           |   Keywords:
      Port:           |
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Comment (by david@…):

 This problem persisted for a while after I resinstalled Xcode-6.4 + now
 clang is working.

 Unsure what I did, as the following show the same now as when I first
 switched back to Xcode-6.4 so all's well.

 imac# xcode-select -p
 /Applications/Xcode.app/Contents/Developer

 imac# xcodebuild -showsdks
 OS X SDKs:
         OS X 10.9                       -sdk macosx10.9
         OS X 10.10                      -sdk macosx10.10

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Ticket URL: <https://trac.macports.org/ticket/48926#comment:3>
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