forked from osmocom/wireshark
197 lines
6.2 KiB
CMake
197 lines
6.2 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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# PYTHON_FOUND = have the Python libs been found
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# PYTHON_LIBRARIES = path to the python library
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# PYTHON_INCLUDE_DIRS = path to where Python.h is found
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#
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FIND_PROGRAM(CMAKE_PYTHON_CONFIG_EXECUTABLE
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NAMES
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python-config
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DOC
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"python-config executable"
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PATHS
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$ENV{PYTHON}
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$ENV{PYTHON}/bin
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)
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# check wether python-config was found:
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IF(CMAKE_PYTHON_CONFIG_EXECUTABLE)
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EXEC_PROGRAM(${CMAKE_PYTHON_CONFIG_EXECUTABLE}
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ARGS
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--includes
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OUTPUT_VARIABLE
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PYTHON_CONFIG_INCLUDE_DIR
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)
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EXEC_PROGRAM(${CMAKE_PYTHON_CONFIG_EXECUTABLE}
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ARGS
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--libs
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OUTPUT_VARIABLE
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PYTHON_CONFIG_LIBRARIES
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)
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string(REGEX REPLACE
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"^ *-I"
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""
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PYTHON_CONFIG_INCLUDE_DIR
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"${PYTHON_CONFIG_INCLUDE_DIR}"
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)
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string(REGEX REPLACE
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"^ *-l"
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""
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PYTHON_CONFIG_LIBRARIES
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"${PYTHON_CONFIG_LIBRARIES}"
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)
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string(REGEX REPLACE
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" +-I"
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";"
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PYTHON_INCLUDE_DIR
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"${PYTHON_CONFIG_INCLUDE_DIR}"
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)
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string(REGEX REPLACE
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" +-l"
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";"
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PYTHON_LIBRARY
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"${PYTHON_CONFIG_LIBRARIES}"
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)
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ELSE(CMAKE_PYTHON_CONFIG_EXECUTABLE)
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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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FOREACH(_CURRENT_VERSION 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.6 1.5)
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STRING(REPLACE "." "" _CURRENT_VERSION_NO_DOTS ${_CURRENT_VERSION})
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FIND_LIBRARY(PYTHON_LIBRARY
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NAMES python${_CURRENT_VERSION_NO_DOTS} python${_CURRENT_VERSION}
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PATHS
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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PATH_SUFFIXES
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python${_CURRENT_VERSION}/config
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)
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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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PATH_SUFFIXES
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python${_CURRENT_VERSION}
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)
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ENDFOREACH(_CURRENT_VERSION)
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ENDIF(CMAKE_PYTHON_CONFIG_EXECUTABLE)
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# Python Should be built and installed as a Framework on OSX
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IF(Python_FRAMEWORKS)
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# If a framework has been selected for the include path,
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# make sure "-framework" is used to link it.
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IF("${PYTHON_INCLUDE_DIR}" MATCHES "Python\\.framework")
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SET(PYTHON_LIBRARY "")
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ENDIF("${PYTHON_INCLUDE_DIR}" 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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ENDIF(Python_FRAMEWORKS)
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MARK_AS_ADVANCED(
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PYTHON_LIBRARIES
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PYTHON_INCLUDE_DIRS
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)
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(PYTHON DEFAULT_MSG PYTHON_LIBRARY PYTHON_INCLUDE_DIR)
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IF(PYTHON_FOUND)
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SET( PYTHON_LIBRARIES ${PYTHON_LIBRARY} )
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SET( PYTHON_INCLUDE_DIRS ${PYTHON_INCLUDE_DIR} )
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ELSE(PYTHON_FOUND)
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SET( PYTHON_LIBRARIES )
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SET( PYTHON_INCLUDE_DIRS )
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ENDIF(PYTHON_FOUND)
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# PYTHON_ADD_MODULE(<name> src1 src2 ... srcN) is used to build modules for python.
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# PYTHON_WRITE_MODULES_HEADER(<filename>) writes a header file you can include
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# in your sources to initialize the static python modules
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GET_PROPERTY(_TARGET_SUPPORTS_SHARED_LIBS
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GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS)
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FUNCTION(PYTHON_ADD_MODULE _NAME )
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OPTION(PYTHON_ENABLE_MODULE_${_NAME} "Add module ${_NAME}" TRUE)
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OPTION(PYTHON_MODULE_${_NAME}_BUILD_SHARED "Add module ${_NAME} shared" ${_TARGET_SUPPORTS_SHARED_LIBS})
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IF(PYTHON_ENABLE_MODULE_${_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} ${PYTHON_LIBRARIES})
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ENDIF(PYTHON_ENABLE_MODULE_${_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 ${_name} _name)
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SET(_filenameTmp "${_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 ${_name}
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#define ${_name}
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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 ${_filenameTmp} "int CMakeLoadPythonModule_${_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} "#ifndef EXCLUDE_LOAD_ALL_FUNCTION\nvoid CMakeLoadAllPythonModules(void)\n{\n")
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FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp} " CMakeLoadPythonModule_${_currentModule}();\n")
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ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
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FILE(APPEND ${_filenameTmp} "}\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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