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# FindPythonLibrary.cmake
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# ~~~~~~~~~~~~~~~~~~~~~~~
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# Find the Python interpreter and related Python directories.
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# This file defines the following variables:
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# PYTHON_EXECUTABLE - The path and filename of the Python interpreter.
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# PYTHON_SHORT_VERSION - The version of the Python interpreter found,
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# excluding the patch version number. (e.g. 2.5 and not 2.5.1))
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# PYTHON_LONG_VERSION - The version of the Python interpreter found as a human
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# PYTHON_SITE_PACKAGES_DIR - Location of the Python site-packages directory.
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# PYTHON_INCLUDE_PATH - Directory holding the python.h include file.
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# PYTHON_LIBRARY, PYTHON_LIBRARIES- Location of the Python library.
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# Copyright (c) 2007, Simon Edwards <simon@simonzone.com>
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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INCLUDE(CMakeFindFrameworks)
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if(EXISTS PYTHON_LIBRARY)
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# Already in cache, be silent
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set(PYTHONLIBRARY_FOUND TRUE)
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else(EXISTS PYTHON_LIBRARY)
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FIND_PACKAGE(PythonInterp)
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if(PYTHONINTERP_FOUND)
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FIND_FILE(_find_lib_python_py FindLibPython.py PATHS ${CMAKE_MODULE_PATH})
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EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE} ${_find_lib_python_py} OUTPUT_VARIABLE python_config)
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STRING(REGEX REPLACE ".*exec_prefix:([^\n]+).*$" "\\1" PYTHON_PREFIX ${python_config})
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STRING(REGEX REPLACE ".*\nshort_version:([^\n]+).*$" "\\1" PYTHON_SHORT_VERSION ${python_config})
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STRING(REGEX REPLACE ".*\nlong_version:([^\n]+).*$" "\\1" PYTHON_LONG_VERSION ${python_config})
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STRING(REGEX REPLACE ".*\npy_inc_dir:([^\n]+).*$" "\\1" PYTHON_INCLUDE_PATH ${python_config})
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STRING(REGEX REPLACE ".*\nsite_packages_dir:([^\n]+).*$" "\\1" PYTHON_SITE_PACKAGES_DIR ${python_config})
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STRING(REGEX REPLACE "([0-9]+).([0-9]+)" "\\1\\2" PYTHON_SHORT_VERSION_NO_DOT ${PYTHON_SHORT_VERSION})
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set(PYTHON_LIBRARY_NAMES python${PYTHON_SHORT_VERSION} python${PYTHON_SHORT_VERSION_NO_DOT})
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STRING(REPLACE "\\" "/" PYTHON_SITE_PACKAGES_DIR ${PYTHON_SITE_PACKAGES_DIR})
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FIND_LIBRARY(PYTHON_LIBRARY NAMES ${PYTHON_LIBRARY_NAMES} PATHS ${PYTHON_PREFIX}/lib ${PYTHON_PREFIX}/libs NO_DEFAULT_PATH)
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set(PYTHONLIBRARY_FOUND TRUE)
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# adapted from cmake's builtin FindPythonLibs
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CMAKE_FIND_FRAMEWORKS(Python)
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set(PYTHON_FRAMEWORK_INCLUDES)
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# If a framework has been selected for the include path,
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# make sure "-framework" is used to link it.
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if("${PYTHON_INCLUDE_PATH}" MATCHES "Python\\.framework")
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set(PYTHON_LIBRARY "")
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set(PYTHON_DEBUG_LIBRARY "")
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endif("${PYTHON_INCLUDE_PATH}" MATCHES "Python\\.framework")
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if(NOT PYTHON_LIBRARY)
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set (PYTHON_LIBRARY "-framework Python" CACHE FILEPATH "Python Framework" FORCE)
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endif(NOT PYTHON_LIBRARY)
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set(PYTHONLIBRARY_FOUND TRUE)
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endif(Python_FRAMEWORKS)
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endif(PYTHONINTERP_FOUND)
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if(PYTHONLIBRARY_FOUND)
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set(PYTHON_LIBRARIES ${PYTHON_LIBRARY})
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if(NOT PYTHONLIBRARY_FIND_QUIETLY)
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message(STATUS "Found Python executable: ${PYTHON_EXECUTABLE}")
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message(STATUS "Found Python version: ${PYTHON_LONG_VERSION}")
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endif(NOT PYTHONLIBRARY_FIND_QUIETLY)
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else(PYTHONLIBRARY_FOUND)
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if(PYTHONLIBRARY_FIND_REQUIRED)
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message(FATAL_ERROR "Could not find Python")
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endif(PYTHONLIBRARY_FIND_REQUIRED)
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endif(PYTHONLIBRARY_FOUND)
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endif (EXISTS PYTHON_LIBRARY)
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cmake/modules/FindPythonLibrary.cmake
