[MacPorts] #44581: cmake and CMAKE_OSX_SYSROOT value on mac os 10.10 yosemite

[MacPorts]

#44581: cmake and CMAKE_OSX_SYSROOT value on mac os 10.10 yosemite
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  Reporter:  daniele.pontillo@…  |      Owner:  macports-tickets@…
      Type:  defect              |     Status:  new
  Priority:  Normal              |  Milestone:
 Component:  ports               |    Version:  2.3.1
Resolution:                      |   Keywords:  yosemite
      Port:  cmake               |
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Comment (by breenh@…):

 I upgraded to Yosemite tonight and am hitting this issue with cmake.  I do
 not have Xcode installed at all; I use the command line tools only.  These
 were upgraded by the Mac App Store after the upgrade to Yosemite; it
 claims they are the command line tools "10.10 version 6.1".  So given that
 I supposedly have the 6.1 version, is there anything else I can do?  Is
 there something I should check to verify that I actually have the changes
 in Xcode 6.1 that are required?

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Ticket URL: <https://trac.macports.org/ticket/44581#comment:28>
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