[MacPorts] #44210: cmake fails to build for OS X 10.10 Yosemite

[MacPorts]

#44210: cmake fails to build for OS X 10.10 Yosemite
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  Reporter:  per.larsen@…  |      Owner:  css@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.1
Resolution:                |   Keywords:  yosemite
      Port:  cmake         |
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Comment (by carsten@…):

 > You must install Xcode 6 DP in order to have the 10.10 SDK available.
 You must set xcode-select accordinghly.

 In addition to using xcode-select, I had to set
 CMAKE_OSX_SYSROOT=/Applications/Xcode6-Beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/.
 Works for me now.

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Ticket URL: <https://trac.macports.org/ticket/44210#comment:6>
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