265 lines
11 KiB
CMake
265 lines
11 KiB
CMake
# - Find python libraries
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# This module finds if Python is installed and determines where the
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# include files and libraries are. It also determines what the name of
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# the library is. This code sets the following variables:
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#
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# PYTHONLIBS_FOUND - have the Python libs been found
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# PYTHON_LIBRARIES - path to the python library
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# PYTHON_INCLUDE_PATH - path to where Python.h is found (deprecated)
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# PYTHON_INCLUDE_DIRS - path to where Python.h is found
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# PYTHON_DEBUG_LIBRARIES - path to the debug library (deprecated)
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# PYTHONLIBS_VERSION_STRING - version of the Python libs found (since CMake 2.8.8)
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#
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# The Python_ADDITIONAL_VERSIONS variable can be used to specify a list of
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# version numbers that should be taken into account when searching for Python.
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# You need to set this variable before calling find_package(PythonLibs).
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#=============================================================================
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# Copyright 2001-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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INCLUDE(CMakeFindFrameworks)
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# Search for the python framework on Apple.
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CMAKE_FIND_FRAMEWORKS(Python)
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SET(_PYTHON1_VERSIONS 1.6 1.5)
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SET(_PYTHON2_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
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SET(_PYTHON3_VERSIONS 3.3 3.2 3.1 3.0)
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IF(PythonLibs_FIND_VERSION)
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IF(PythonLibs_FIND_VERSION MATCHES "^[0-9]+\\.[0-9]+(\\.[0-9]+.*)?$")
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STRING(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" _PYTHON_FIND_MAJ_MIN "${PythonLibs_FIND_VERSION}")
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STRING(REGEX REPLACE "^([0-9]+).*" "\\1" _PYTHON_FIND_MAJ "${_PYTHON_FIND_MAJ_MIN}")
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UNSET(_PYTHON_FIND_OTHER_VERSIONS)
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IF(NOT PythonLibs_FIND_VERSION_EXACT)
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FOREACH(_PYTHON_V ${_PYTHON${_PYTHON_FIND_MAJ}_VERSIONS})
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IF(NOT _PYTHON_V VERSION_LESS _PYTHON_FIND_MAJ_MIN)
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LIST(APPEND _PYTHON_FIND_OTHER_VERSIONS ${_PYTHON_V})
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ENDIF()
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ENDFOREACH()
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ENDIF(NOT PythonLibs_FIND_VERSION_EXACT)
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UNSET(_PYTHON_FIND_MAJ_MIN)
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UNSET(_PYTHON_FIND_MAJ)
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ELSE(PythonLibs_FIND_VERSION MATCHES "^[0-9]+\\.[0-9]+(\\.[0-9]+.*)?$")
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SET(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonLibs_FIND_VERSION}_VERSIONS})
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ENDIF(PythonLibs_FIND_VERSION MATCHES "^[0-9]+\\.[0-9]+(\\.[0-9]+.*)?$")
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ELSE(PythonLibs_FIND_VERSION)
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SET(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS} ${_PYTHON2_VERSIONS} ${_PYTHON1_VERSIONS})
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ENDIF(PythonLibs_FIND_VERSION)
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# Set up the versions we know about, in the order we will search. Always add
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# the user supplied additional versions to the front.
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SET(_Python_VERSIONS
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${Python_ADDITIONAL_VERSIONS}
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${_PYTHON_FIND_OTHER_VERSIONS}
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)
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UNSET(_PYTHON_FIND_OTHER_VERSIONS)
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UNSET(_PYTHON1_VERSIONS)
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UNSET(_PYTHON2_VERSIONS)
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UNSET(_PYTHON3_VERSIONS)
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FOREACH(_CURRENT_VERSION ${_Python_VERSIONS})
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STRING(REPLACE "." "" _CURRENT_VERSION_NO_DOTS ${_CURRENT_VERSION})
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IF(WIN32)
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FIND_LIBRARY(PYTHON_DEBUG_LIBRARY
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NAMES python${_CURRENT_VERSION_NO_DOTS}_d python
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PATHS
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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)
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ENDIF(WIN32)
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FIND_LIBRARY(PYTHON_LIBRARY
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NAMES
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python${_CURRENT_VERSION_NO_DOTS}
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python${_CURRENT_VERSION}mu
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python${_CURRENT_VERSION}m
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python${_CURRENT_VERSION}u
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python${_CURRENT_VERSION}
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PATHS
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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# Avoid finding the .dll in the PATH. We want the .lib.
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NO_SYSTEM_ENVIRONMENT_PATH
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)
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# Look for the static library in the Python config directory
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FIND_LIBRARY(PYTHON_LIBRARY
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NAMES python${_CURRENT_VERSION_NO_DOTS} python${_CURRENT_VERSION}
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# Avoid finding the .dll in the PATH. We want the .lib.
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NO_SYSTEM_ENVIRONMENT_PATH
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# This is where the static library is usually located
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PATH_SUFFIXES python${_CURRENT_VERSION}/config
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)
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# For backward compatibility, honour value of PYTHON_INCLUDE_PATH, if
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# PYTHON_INCLUDE_DIR is not set.
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IF(DEFINED PYTHON_INCLUDE_PATH AND NOT DEFINED PYTHON_INCLUDE_DIR)
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SET(PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_PATH}" CACHE PATH
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"Path to where Python.h is found" FORCE)
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ENDIF(DEFINED PYTHON_INCLUDE_PATH AND NOT DEFINED PYTHON_INCLUDE_DIR)
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SET(PYTHON_FRAMEWORK_INCLUDES)
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IF(Python_FRAMEWORKS AND NOT PYTHON_INCLUDE_DIR)
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FOREACH(dir ${Python_FRAMEWORKS})
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SET(PYTHON_FRAMEWORK_INCLUDES ${PYTHON_FRAMEWORK_INCLUDES}
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${dir}/Versions/${_CURRENT_VERSION}/include/python${_CURRENT_VERSION})
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ENDFOREACH(dir)
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ENDIF(Python_FRAMEWORKS AND NOT PYTHON_INCLUDE_DIR)
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FIND_PATH(PYTHON_INCLUDE_DIR
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NAMES Python.h
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PATHS
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${PYTHON_FRAMEWORK_INCLUDES}
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include
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PATH_SUFFIXES
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python${_CURRENT_VERSION}mu
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python${_CURRENT_VERSION}m
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python${_CURRENT_VERSION}u
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python${_CURRENT_VERSION}
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)
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# For backward compatibility, set PYTHON_INCLUDE_PATH.
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SET(PYTHON_INCLUDE_PATH "${PYTHON_INCLUDE_DIR}")
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IF(PYTHON_INCLUDE_DIR AND EXISTS "${PYTHON_INCLUDE_DIR}/patchlevel.h")
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FILE(STRINGS "${PYTHON_INCLUDE_DIR}/patchlevel.h" python_version_str
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REGEX "^#define[ \t]+PY_VERSION[ \t]+\"[^\"]+\"")
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STRING(REGEX REPLACE "^#define[ \t]+PY_VERSION[ \t]+\"([^\"]+)\".*" "\\1"
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PYTHONLIBS_VERSION_STRING "${python_version_str}")
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UNSET(python_version_str)
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ENDIF(PYTHON_INCLUDE_DIR AND EXISTS "${PYTHON_INCLUDE_DIR}/patchlevel.h")
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IF(PYTHON_LIBRARY AND PYTHON_INCLUDE_DIR)
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BREAK()
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ENDIF(PYTHON_LIBRARY AND PYTHON_INCLUDE_DIR)
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ENDFOREACH(_CURRENT_VERSION)
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MARK_AS_ADVANCED(
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PYTHON_DEBUG_LIBRARY
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PYTHON_LIBRARY
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PYTHON_INCLUDE_DIR
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)
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# We use PYTHON_INCLUDE_DIR, PYTHON_LIBRARY and PYTHON_DEBUG_LIBRARY for the
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# cache entries because they are meant to specify the location of a single
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# library. We now set the variables listed by the documentation for this
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# module.
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SET(PYTHON_INCLUDE_DIRS "${PYTHON_INCLUDE_DIR}")
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SET(PYTHON_DEBUG_LIBRARIES "${PYTHON_DEBUG_LIBRARY}")
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# These variables have been historically named in this module different from
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# what SELECT_LIBRARY_CONFIGURATIONS() expects.
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SET(PYTHON_LIBRARY_DEBUG "${PYTHON_DEBUG_LIBRARY}")
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SET(PYTHON_LIBRARY_RELEASE "${PYTHON_LIBRARY}")
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INCLUDE(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
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SELECT_LIBRARY_CONFIGURATIONS(PYTHON)
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# SELECT_LIBRARY_CONFIGURATIONS() sets ${PREFIX}_FOUND if it has a library.
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# Unset this, this prefix doesn't match the module prefix, they are different
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# for historical reasons.
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UNSET(PYTHON_FOUND)
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INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonLibs
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REQUIRED_VARS PYTHON_LIBRARIES PYTHON_INCLUDE_DIRS
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VERSION_VAR PYTHONLIBS_VERSION_STRING)
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# PYTHON_ADD_MODULE(<name> src1 src2 ... srcN) is used to build modules for python.
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# PYTHON_WRITE_MODULES_HEADER(<filename>) writes a header file you can include
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# in your sources to initialize the static python modules
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FUNCTION(PYTHON_ADD_MODULE _NAME )
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GET_PROPERTY(_TARGET_SUPPORTS_SHARED_LIBS
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GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS)
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OPTION(PYTHON_ENABLE_MODULE_${_NAME} "Add module ${_NAME}" TRUE)
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OPTION(PYTHON_MODULE_${_NAME}_BUILD_SHARED
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"Add module ${_NAME} shared" ${_TARGET_SUPPORTS_SHARED_LIBS})
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# Mark these options as advanced
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MARK_AS_ADVANCED(PYTHON_ENABLE_MODULE_${_NAME}
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PYTHON_MODULE_${_NAME}_BUILD_SHARED)
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IF(PYTHON_ENABLE_MODULE_${_NAME})
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IF(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
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SET(PY_MODULE_TYPE MODULE)
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ELSE(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
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SET(PY_MODULE_TYPE STATIC)
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SET_PROPERTY(GLOBAL APPEND PROPERTY PY_STATIC_MODULES_LIST ${_NAME})
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ENDIF(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
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SET_PROPERTY(GLOBAL APPEND PROPERTY PY_MODULES_LIST ${_NAME})
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ADD_LIBRARY(${_NAME} ${PY_MODULE_TYPE} ${ARGN})
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# TARGET_LINK_LIBRARIES(${_NAME} ${PYTHON_LIBRARIES})
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IF(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
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SET_TARGET_PROPERTIES(${_NAME} PROPERTIES PREFIX "${PYTHON_MODULE_PREFIX}")
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IF(WIN32 AND NOT CYGWIN)
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SET_TARGET_PROPERTIES(${_NAME} PROPERTIES SUFFIX ".pyd")
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ENDIF(WIN32 AND NOT CYGWIN)
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ENDIF(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
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ENDIF(PYTHON_ENABLE_MODULE_${_NAME})
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ENDFUNCTION(PYTHON_ADD_MODULE)
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FUNCTION(PYTHON_WRITE_MODULES_HEADER _filename)
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GET_PROPERTY(PY_STATIC_MODULES_LIST GLOBAL PROPERTY PY_STATIC_MODULES_LIST)
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GET_FILENAME_COMPONENT(_name "${_filename}" NAME)
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STRING(REPLACE "." "_" _name "${_name}")
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STRING(TOUPPER ${_name} _nameUpper)
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SET(_filename ${CMAKE_CURRENT_BINARY_DIR}/${_filename})
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SET(_filenameTmp "${_filename}.in")
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FILE(WRITE ${_filenameTmp} "/*Created by cmake, do not edit, changes will be lost*/\n")
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FILE(APPEND ${_filenameTmp}
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"#ifndef ${_nameUpper}
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#define ${_nameUpper}
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#include <Python.h>
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#ifdef __cplusplus
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extern \"C\" {
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#endif /* __cplusplus */
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")
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FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp} "extern void init${PYTHON_MODULE_PREFIX}${_currentModule}(void);\n\n")
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ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp}
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"#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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")
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FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp} "int ${_name}_${_currentModule}(void) \n{\n static char name[]=\"${PYTHON_MODULE_PREFIX}${_currentModule}\"; return PyImport_AppendInittab(name, init${PYTHON_MODULE_PREFIX}${_currentModule});\n}\n\n")
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ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp} "void ${_name}_LoadAllPythonModules(void)\n{\n")
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FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp} " ${_name}_${_currentModule}();\n")
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ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp} "}\n\n")
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FILE(APPEND ${_filenameTmp} "#ifndef EXCLUDE_LOAD_ALL_FUNCTION\nvoid CMakeLoadAllPythonModules(void)\n{\n ${_name}_LoadAllPythonModules();\n}\n#endif\n\n#endif\n")
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# with CONFIGURE_FILE() cmake complains that you may not use a file created using FILE(WRITE) as input file for CONFIGURE_FILE()
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EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_filenameTmp}" "${_filename}" OUTPUT_QUIET ERROR_QUIET)
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ENDFUNCTION(PYTHON_WRITE_MODULES_HEADER)
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