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

[MacPorts]

#44210: cmake fails to build for OS X 10.10 Yosemite
--------------------------+--------------------------------
 Reporter:  per.larsen@…  |      Owner:  macports-tickets@…
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.3.1
 Keywords:  Yosemite      |       Port:  cmake
--------------------------+--------------------------------
 from the log

 {{{
 :info:configure CMake Error at Modules/Platform/Darwin.cmake:211
 (message):
 :info:configure   CMAKE_OSX_DEPLOYMENT_TARGET is '10.10' but
 CMAKE_OSX_SYSROOT:
 :info:configure
 :info:configure    ""
 :info:configure   is not set to a MacOSX SDK with a recognized version.
 Either set
 :info:configure   CMAKE_OSX_SYSROOT to a valid SDK or set
 CMAKE_OSX_DEPLOYMENT_TARGET to
 :info:configure   empty.
 :info:configure Call Stack (most recent call first):
 :info:configure   Modules/CMakeSystemSpecificInformation.cmake:36
 (include)
 :info:configure   CMakeLists.txt:16 (project)
 }}}

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Ticket URL: <https://trac.macports.org/ticket/44210>
MacPorts <http://www.macports.org/>
Ports system for OS X