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152 lines
6.0 KiB
152 lines
6.0 KiB
10 years ago
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# Ask xcode-select where to find /Developer or fall back to ancient location.
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execute_process(COMMAND xcode-select -print-path
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OUTPUT_VARIABLE _stdout
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_VARIABLE _stderr
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RESULT_VARIABLE _failed)
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if(NOT _failed AND IS_DIRECTORY ${_stdout})
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set(OSX_DEVELOPER_ROOT ${_stdout})
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elseif(IS_DIRECTORY "/Developer")
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set(OSX_DEVELOPER_ROOT "/Developer")
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else()
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set(OSX_DEVELOPER_ROOT "")
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endif()
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execute_process(COMMAND sw_vers -productVersion
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OUTPUT_VARIABLE CURRENT_OSX_VERSION
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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# Save CMAKE_OSX_ARCHITECTURES from the environment.
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set(CMAKE_OSX_ARCHITECTURES "$ENV{CMAKE_OSX_ARCHITECTURES}" CACHE STRING
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"Build architectures for OSX")
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#----------------------------------------------------------------------------
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# _CURRENT_OSX_VERSION - as a two-component string: 10.5, 10.6, ...
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#
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string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*$" "\\1"
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_CURRENT_OSX_VERSION "${CURRENT_OSX_VERSION}")
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#----------------------------------------------------------------------------
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# CMAKE_OSX_DEPLOYMENT_TARGET
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# Set cache variable - end user may change this during ccmake or cmake-gui configure.
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if(_CURRENT_OSX_VERSION VERSION_GREATER 10.3)
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set(CMAKE_OSX_DEPLOYMENT_TARGET "$ENV{MACOSX_DEPLOYMENT_TARGET}" CACHE STRING
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"Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value.")
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endif()
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#----------------------------------------------------------------------------
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# CMAKE_OSX_SYSROOT
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if(CMAKE_OSX_SYSROOT)
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# Use the existing value without further computation to choose a default.
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set(_CMAKE_OSX_SYSROOT_DEFAULT "${CMAKE_OSX_SYSROOT}")
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elseif(NOT "x$ENV{SDKROOT}" STREQUAL "x" AND
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(NOT "x$ENV{SDKROOT}" MATCHES "/" OR IS_DIRECTORY "$ENV{SDKROOT}"))
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# Use the value of SDKROOT from the environment.
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set(_CMAKE_OSX_SYSROOT_DEFAULT "$ENV{SDKROOT}")
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elseif("${CMAKE_GENERATOR}" MATCHES Xcode
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OR CMAKE_OSX_DEPLOYMENT_TARGET
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OR CMAKE_OSX_ARCHITECTURES MATCHES "[^;]"
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OR NOT EXISTS "/usr/include/sys/types.h")
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# Find installed SDKs in either Xcode-4.3+ or pre-4.3 SDKs directory.
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set(_CMAKE_OSX_SDKS_DIR "")
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if(OSX_DEVELOPER_ROOT)
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foreach(d Platforms/MacOSX.platform/Developer/SDKs SDKs)
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file(GLOB _CMAKE_OSX_SDKS ${OSX_DEVELOPER_ROOT}/${d}/*)
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if(_CMAKE_OSX_SDKS)
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set(_CMAKE_OSX_SDKS_DIR ${OSX_DEVELOPER_ROOT}/${d})
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break()
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endif()
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endforeach()
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endif()
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if(_CMAKE_OSX_SDKS_DIR)
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# Select SDK for current OSX version accounting for the known
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# specially named SDKs.
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set(_CMAKE_OSX_SDKS_VER_SUFFIX_10.4 "u")
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set(_CMAKE_OSX_SDKS_VER_SUFFIX_10.3 ".9")
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# find the latest SDK
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set(_CMAKE_OSX_LATEST_SDK_VERSION "0.0")
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file(GLOB _CMAKE_OSX_SDKS RELATIVE "${_CMAKE_OSX_SDKS_DIR}" "${_CMAKE_OSX_SDKS_DIR}/MacOSX*.sdk")
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foreach(_SDK ${_CMAKE_OSX_SDKS})
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if(_SDK MATCHES "MacOSX([0-9]+\\.[0-9]+)[^/]*\\.sdk" AND CMAKE_MATCH_1 VERSION_GREATER ${_CMAKE_OSX_LATEST_SDK_VERSION})
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set(_CMAKE_OSX_LATEST_SDK_VERSION "${CMAKE_MATCH_1}")
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endif()
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endforeach()
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# pick an SDK that works
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set(_CMAKE_OSX_SYSROOT_DEFAULT)
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foreach(ver ${CMAKE_OSX_DEPLOYMENT_TARGET}
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${_CURRENT_OSX_VERSION}
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${_CMAKE_OSX_LATEST_SDK_VERSION})
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set(_CMAKE_OSX_DEPLOYMENT_TARGET ${ver})
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set(_CMAKE_OSX_SDKS_VER ${_CMAKE_OSX_DEPLOYMENT_TARGET}${_CMAKE_OSX_SDKS_VER_SUFFIX_${_CMAKE_OSX_DEPLOYMENT_TARGET}})
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set(_CMAKE_OSX_SYSROOT_CHECK "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_SDKS_VER}.sdk")
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if(IS_DIRECTORY "${_CMAKE_OSX_SYSROOT_CHECK}")
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set(_CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SYSROOT_CHECK}")
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break()
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endif()
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endforeach()
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if(CMAKE_OSX_DEPLOYMENT_TARGET AND
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NOT CMAKE_OSX_DEPLOYMENT_TARGET VERSION_EQUAL ${_CMAKE_OSX_DEPLOYMENT_TARGET})
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set(_CMAKE_OSX_SDKS_VER ${CMAKE_OSX_DEPLOYMENT_TARGET}${_CMAKE_OSX_SDKS_VER_SUFFIX_${CMAKE_OSX_DEPLOYMENT_TARGET}})
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set(_CMAKE_OSX_SYSROOT_CHECK "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_SDKS_VER}.sdk")
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message(WARNING
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"CMAKE_OSX_DEPLOYMENT_TARGET is '${CMAKE_OSX_DEPLOYMENT_TARGET}' "
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"but the matching SDK does not exist at:\n \"${_CMAKE_OSX_SYSROOT_CHECK}\"\n"
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"Instead using SDK:\n \"${_CMAKE_OSX_SYSROOT_DEFAULT}\"."
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)
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endif()
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else()
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# Assume developer files are in root (such as Xcode 4.5 command-line tools).
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set(_CMAKE_OSX_SYSROOT_DEFAULT "")
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endif()
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endif()
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# Set cache variable - end user may change this during ccmake or cmake-gui configure.
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# Choose the type based on the current value.
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set(_CMAKE_OSX_SYSROOT_TYPE STRING)
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foreach(v CMAKE_OSX_SYSROOT _CMAKE_OSX_SYSROOT_DEFAULT)
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if("x${${v}}" MATCHES "/")
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set(_CMAKE_OSX_SYSROOT_TYPE PATH)
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break()
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endif()
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endforeach()
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set(CMAKE_OSX_SYSROOT "${_CMAKE_OSX_SYSROOT_DEFAULT}" CACHE ${_CMAKE_OSX_SYSROOT_TYPE}
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"The product will be built against the headers and libraries located inside the indicated SDK.")
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# Transform the cached value to something we can use.
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set(_CMAKE_OSX_SYSROOT_ORIG "${CMAKE_OSX_SYSROOT}")
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set(_CMAKE_OSX_SYSROOT_PATH "")
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if(CMAKE_OSX_SYSROOT)
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if("x${CMAKE_OSX_SYSROOT}" MATCHES "/")
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# This is a path to the SDK. Make sure it exists.
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if(NOT IS_DIRECTORY "${CMAKE_OSX_SYSROOT}")
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message(WARNING "Ignoring CMAKE_OSX_SYSROOT value:\n ${CMAKE_OSX_SYSROOT}\n"
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"because the directory does not exist.")
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set(CMAKE_OSX_SYSROOT "")
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set(_CMAKE_OSX_SYSROOT_ORIG "")
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endif()
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set(_CMAKE_OSX_SYSROOT_PATH "${CMAKE_OSX_SYSROOT}")
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else()
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# Transform the sdk name into a path.
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execute_process(
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COMMAND xcodebuild -sdk ${CMAKE_OSX_SYSROOT} -version Path
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OUTPUT_VARIABLE _stdout
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_VARIABLE _stderr
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RESULT_VARIABLE _failed
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)
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if(NOT _failed AND IS_DIRECTORY "${_stdout}")
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set(_CMAKE_OSX_SYSROOT_PATH "${_stdout}")
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# For non-Xcode generators use the path.
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if(NOT "${CMAKE_GENERATOR}" MATCHES "Xcode")
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set(CMAKE_OSX_SYSROOT "${_CMAKE_OSX_SYSROOT_PATH}")
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endif()
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endif()
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endif()
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endif()
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