cMake: Clean up old Mac Python search
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Chris Hennes
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Chris Hennes
Chris Hennes
parent
b3e8add2e4
commit
30e464d82a
@@ -1,119 +1,6 @@
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macro(SetupPython)
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# -------------------------------- Python --------------------------------
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# For building on OS X
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin" AND NOT BUILD_WITH_CONDA)
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# If the user doesn't tell us which package manager they're using
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if(NOT DEFINED MACPORTS_PREFIX AND NOT DEFINED HOMEBREW_PREFIX)
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# Try to find MacPorts path
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find_program(MACPORTS_EXECUTABLE port)
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if(EXISTS ${MACPORTS_EXECUTABLE})
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string(REPLACE "/bin/port" ""
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MACPORTS_PREFIX ${MACPORTS_EXECUTABLE})
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message(STATUS "Detected MacPorts install at ${MACPORTS_PREFIX}")
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endif(EXISTS ${MACPORTS_EXECUTABLE})
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# Try to find Homebrew path
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find_program(HOMEBREW_EXECUTABLE brew)
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if(EXISTS ${HOMEBREW_EXECUTABLE})
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string(REPLACE "/bin/brew" ""
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HOMEBREW_PREFIX ${HOMEBREW_EXECUTABLE})
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message(STATUS "Detected Homebrew install at ${HOMEBREW_PREFIX}")
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endif()
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endif(NOT DEFINED MACPORTS_PREFIX AND NOT DEFINED HOMEBREW_PREFIX)
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# In case someone tries to shoot themselves in the foot
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if(DEFINED MACPORTS_PREFIX AND DEFINED HOMEBREW_PREFIX)
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message(SEND_ERROR
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"Multiple package management systems detected - ")
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message(SEND_ERROR
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"define either MACPORTS_PREFIX or HOMEBREW_PREFIX")
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# No package manager
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elseif(NOT DEFINED MACPORTS_PREFIX AND NOT DEFINED HOMEBREW_PREFIX)
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message(SEND_ERROR
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"No package manager detected - install MacPorts or Homebrew")
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# The hopefully-normal case - one package manager identified
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else(DEFINED MACPORTS_PREFIX AND DEFINED HOMEBREW_PREFIX)
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# Construct a list like python;python2.9;python2.8;...
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set(Python_ADDITIONAL_VERSIONS_REV ${Python_ADDITIONAL_VERSIONS})
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list(REVERSE Python_ADDITIONAL_VERSIONS_REV)
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set(_PYTHON_NAMES "python")
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foreach(_PYTHON_VERSION IN LISTS Python_ADDITIONAL_VERSIONS_REV)
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list(APPEND _PYTHON_NAMES "python${_PYTHON_VERSION}")
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endforeach(_PYTHON_VERSION)
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# Find python in the package management systems, using names in that
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# list in decreasing priority. Note that a manually specified
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# PYTHON_EXECUTABLE still has prescedence over this.
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find_program(PYTHON_EXECUTABLE
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NAMES ${_PYTHON_NAMES}
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PATHS ${MACPORTS_PREFIX} ${HOMEBREW_PREFIX}
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PATH_SUFFIXES /bin
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NO_DEFAULT_PATH)
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endif(DEFINED MACPORTS_PREFIX AND DEFINED HOMEBREW_PREFIX)
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# Warn user if we still only have the system Python
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string(FIND ${PYTHON_EXECUTABLE} "/usr/bin/python" _FIND_SYS_PYTHON)
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if(_FIND_SYS_PYTHON EQUAL 0)
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message(SEND_ERROR
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"Only found the stock Python, that's probably bad.")
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endif(_FIND_SYS_PYTHON EQUAL 0)
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# Ask Python to tell us it's include directory, if nobody else has
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if(NOT DEFINED PYTHON_INCLUDE_DIR)
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execute_process(COMMAND ${PYTHON_EXECUTABLE} -c
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"from distutils.sysconfig import get_python_inc;print(get_python_inc())"
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OUTPUT_VARIABLE PYTHON_INCLUDE_DIR
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RESULT_VARIABLE PYTHON_INCLUDE_DIR_RESULT
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ERROR_QUIET)
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if(NOT PYTHON_INCLUDE_DIR_RESULT MATCHES 0)
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message(SEND_ERROR "Failed to determine PYTHON_INCLUDE_DIR")
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endif(NOT PYTHON_INCLUDE_DIR_RESULT MATCHES 0)
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endif(NOT DEFINED PYTHON_INCLUDE_DIR)
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# Similar for the Python library - there must be an easier way...
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if(NOT DEFINED PYTHON_LIBRARY)
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# Get the library path
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c
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"from distutils import sysconfig;print(sysconfig.get_config_var('LIBDIR'))"
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OUTPUT_VARIABLE PYTHON_LIBRARY_DIR
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RESULT_VARIABLE PYTHON_LIBRARY_DIR_RESULT
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ERROR_QUIET)
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string(STRIP ${PYTHON_LIBRARY_DIR} PYTHON_LIBRARY_DIR)
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if(NOT PYTHON_LIBRARY_DIR_RESULT MATCHES 0)
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message(SEND_ERROR "Failed to determine PYTHON_LIBRARY")
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endif(NOT PYTHON_LIBRARY_DIR_RESULT MATCHES 0)
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# Get library filename - might not be safe to assume .dylib extension?
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c
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"import sys;print('libpython%d.%d.dylib'%sys.version_info[0:2])"
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OUTPUT_VARIABLE PYTHON_LIBRARY_FILE
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RESULT_VARIABLE PYTHON_LIBRARY_FILE_RESULT
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ERROR_QUIET)
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string(STRIP ${PYTHON_LIBRARY_FILE} PYTHON_LIBRARY_FILE)
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if(NOT PYTHON_LIBRARY_FILE_RESULT MATCHES 0)
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message(SEND_ERROR "Failed to determine PYTHON_LIBRARY")
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endif(NOT PYTHON_LIBRARY_FILE_RESULT MATCHES 0)
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set(PYTHON_LIBRARY "${PYTHON_LIBRARY_DIR}/${PYTHON_LIBRARY_FILE}")
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else(NOT DEFINED PYTHON_LIBRARY)
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# Used on MacPorts systems for finding Shiboken and PySide
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# TODO: When we start requiring minimum CMake version above
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# 2.8.11, change PATH below to DIRECTORY
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get_filename_component(PYTHON_LIBRARY_DIR ${PYTHON_LIBRARY} PATH)
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endif(NOT DEFINED PYTHON_LIBRARY)
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endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin" AND NOT BUILD_WITH_CONDA)
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find_package(Python3 COMPONENTS Interpreter Development REQUIRED)
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# For backwards compatibility with old CMake scripts
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