400 lines
16 KiB
CMake
400 lines
16 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindPythonLibs
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--------------
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.. deprecated:: 3.12
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Use :module:`FindPython3`, :module:`FindPython2` or :module:`FindPython` instead.
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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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The Python_ADDITIONAL_VERSIONS variable can be used to specify a list
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of version numbers that should be taken into account when searching
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for Python. You need to set this variable before calling
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find_package(PythonLibs).
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If you'd like to specify the installation of Python to use, you should
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modify the following cache variables:
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::
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PYTHON_LIBRARY - path to the python library
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PYTHON_INCLUDE_DIR - path to where Python.h is found
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If calling both ``find_package(PythonInterp)`` and
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``find_package(PythonLibs)``, call ``find_package(PythonInterp)`` first to
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get the currently active Python version by default with a consistent version
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of PYTHON_LIBRARIES.
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#]=======================================================================]
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# Use the executable's path as a hint
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set(_Python_LIBRARY_PATH_HINT)
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if(IS_ABSOLUTE "${PYTHON_EXECUTABLE}")
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if(WIN32)
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get_filename_component(_Python_PREFIX "${PYTHON_EXECUTABLE}" PATH)
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if(_Python_PREFIX)
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set(_Python_LIBRARY_PATH_HINT ${_Python_PREFIX}/libs)
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endif()
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unset(_Python_PREFIX)
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else()
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get_filename_component(_Python_PREFIX "${PYTHON_EXECUTABLE}" PATH)
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get_filename_component(_Python_PREFIX "${_Python_PREFIX}" PATH)
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if(_Python_PREFIX)
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set(_Python_LIBRARY_PATH_HINT ${_Python_PREFIX}/lib)
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endif()
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unset(_Python_PREFIX)
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endif()
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/CMakeFindFrameworks.cmake)
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# Search for the python framework on Apple.
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CMAKE_FIND_FRAMEWORKS(Python)
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# Save CMAKE_FIND_FRAMEWORK
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if(DEFINED CMAKE_FIND_FRAMEWORK)
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set(_PythonLibs_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK})
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else()
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unset(_PythonLibs_CMAKE_FIND_FRAMEWORK)
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endif()
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# To avoid picking up the system Python.h pre-maturely.
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set(CMAKE_FIND_FRAMEWORK LAST)
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set(_PYTHON1_VERSIONS 1.6 1.5)
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set(_PYTHON2_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
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set(_PYTHON3_VERSIONS 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
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if(PythonLibs_FIND_VERSION)
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if(PythonLibs_FIND_VERSION_COUNT GREATER 1)
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set(_PYTHON_FIND_MAJ_MIN "${PythonLibs_FIND_VERSION_MAJOR}.${PythonLibs_FIND_VERSION_MINOR}")
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unset(_PYTHON_FIND_OTHER_VERSIONS)
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if(PythonLibs_FIND_VERSION_EXACT)
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if(_PYTHON_FIND_MAJ_MIN STREQUAL PythonLibs_FIND_VERSION)
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set(_PYTHON_FIND_OTHER_VERSIONS "${PythonLibs_FIND_VERSION}")
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else()
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set(_PYTHON_FIND_OTHER_VERSIONS "${PythonLibs_FIND_VERSION}" "${_PYTHON_FIND_MAJ_MIN}")
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endif()
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else()
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foreach(_PYTHON_V ${_PYTHON${PythonLibs_FIND_VERSION_MAJOR}_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()
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unset(_PYTHON_FIND_MAJ_MIN)
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else()
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set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonLibs_FIND_VERSION_MAJOR}_VERSIONS})
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endif()
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else()
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set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS} ${_PYTHON2_VERSIONS} ${_PYTHON1_VERSIONS})
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endif()
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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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# If FindPythonInterp has already found the major and minor version,
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# insert that version between the user supplied versions and the stock
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# version list.
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set(_Python_VERSIONS ${Python_ADDITIONAL_VERSIONS})
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if(DEFINED PYTHON_VERSION_MAJOR AND DEFINED PYTHON_VERSION_MINOR)
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list(APPEND _Python_VERSIONS ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR})
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endif()
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list(APPEND _Python_VERSIONS ${_PYTHON_FIND_OTHER_VERSIONS})
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unset(_PYTHON_FIND_OTHER_VERSIONS)
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unset(_PYTHON1_VERSIONS)
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unset(_PYTHON2_VERSIONS)
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unset(_PYTHON3_VERSIONS)
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# Python distribution: define which architectures can be used
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if (CMAKE_SIZEOF_VOID_P)
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# In this case, search only for 64bit or 32bit
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math (EXPR _PYTHON_ARCH "${CMAKE_SIZEOF_VOID_P} * 8")
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set (_PYTHON_ARCH2 _PYTHON_PREFIX_ARCH})
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else()
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if (PYTHON_EXECUTABLE)
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# determine interpreter architecture
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execute_process (COMMAND "${PYTHON_EXECUTABLE}" -c "import sys; print(sys.maxsize > 2**32)"
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RESULT_VARIABLE _PYTHON_RESULT
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OUTPUT_VARIABLE _PYTHON_IS64BIT
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ERROR_VARIABLE _PYTHON_IS64BIT)
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if (NOT _PYTHON_RESULT)
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if (_PYTHON_IS64BIT)
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set (_PYTHON_ARCH 64)
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set (_PYTHON_ARCH2 64)
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else()
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set (_PYTHON_ARCH 32)
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set (_PYTHON_ARCH2 32)
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endif()
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endif()
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else()
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# architecture unknown, search for both 64bit and 32bit
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set (_PYTHON_ARCH 64)
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set (_PYTHON_ARCH2 32)
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endif()
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endif()
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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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NAMES_PER_DIR
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HINTS ${_Python_LIBRARY_PATH_HINT}
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PATHS
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/libs/Debug
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/libs/Debug
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/libs/Debug
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/libs/Debug
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/libs
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/libs
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)
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endif()
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set(PYTHON_FRAMEWORK_LIBRARIES)
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if(Python_FRAMEWORKS AND NOT PYTHON_LIBRARY)
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foreach(dir ${Python_FRAMEWORKS})
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list(APPEND PYTHON_FRAMEWORK_LIBRARIES
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${dir}/Versions/${_CURRENT_VERSION}/lib)
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endforeach()
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endif()
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find_library(PYTHON_LIBRARY
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NAMES
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python${_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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NAMES_PER_DIR
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HINTS
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${_Python_LIBRARY_PATH_HINT}
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PATHS
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${PYTHON_FRAMEWORK_LIBRARIES}
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/libs
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/libs
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/libs
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)
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# Look for the static library in the Python config directory
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find_library(PYTHON_LIBRARY
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NAMES python${_CURRENT_VERSION_NO_DOTS} python${_CURRENT_VERSION}
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NAMES_PER_DIR
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# This is where the static library is usually located
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PATH_SUFFIXES python${_CURRENT_VERSION}/config
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)
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# Don't search for include dir until library location is known
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if(PYTHON_LIBRARY)
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# Use the library's install prefix as a hint
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set(_Python_INCLUDE_PATH_HINT)
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# PYTHON_LIBRARY may contain a list because of SelectLibraryConfigurations
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# which may have been run previously. If it is the case, the list can be:
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# optimized;<FILEPATH_TO_RELEASE_LIBRARY>;debug;<FILEPATH_TO_DEBUG_LIBRARY>
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foreach(lib ${PYTHON_LIBRARY} ${PYTHON_DEBUG_LIBRARY})
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if(IS_ABSOLUTE "${lib}")
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get_filename_component(_Python_PREFIX "${lib}" PATH)
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get_filename_component(_Python_PREFIX "${_Python_PREFIX}" PATH)
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if(_Python_PREFIX)
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list(APPEND _Python_INCLUDE_PATH_HINT ${_Python_PREFIX}/include)
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endif()
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unset(_Python_PREFIX)
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endif()
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endforeach()
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# Add framework directories to the search paths
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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 ${Python_FRAMEWORKS})
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list(APPEND PYTHON_FRAMEWORK_INCLUDES
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${dir}/Versions/${_CURRENT_VERSION}/include)
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endforeach()
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endif()
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find_path(PYTHON_INCLUDE_DIR
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NAMES Python.h
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HINTS
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${_Python_INCLUDE_PATH_HINT}
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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_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/include
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/include
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH}\\InstallPath]/include
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[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-${_PYTHON_ARCH2}\\InstallPath]/include
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PATH_SUFFIXES
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python${_CURRENT_VERSION}mu
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python${_CURRENT_VERSION}m
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python${_CURRENT_VERSION}u
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python${_CURRENT_VERSION}
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)
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endif()
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# For backward compatibility, set PYTHON_INCLUDE_PATH.
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set(PYTHON_INCLUDE_PATH "${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 "${python_version_str}")
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unset(python_version_str)
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endif()
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if(PYTHON_LIBRARY AND PYTHON_INCLUDE_DIR)
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break()
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endif()
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endforeach()
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unset(_Python_INCLUDE_PATH_HINT)
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unset(_Python_LIBRARY_PATH_HINT)
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mark_as_advanced(
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PYTHON_DEBUG_LIBRARY
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PYTHON_LIBRARY
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PYTHON_INCLUDE_DIR
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)
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# We use PYTHON_INCLUDE_DIR, PYTHON_LIBRARY and PYTHON_DEBUG_LIBRARY for the
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# cache entries because they are meant to specify the location of a single
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# library. We now set the variables listed by the documentation for this
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# module.
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set(PYTHON_INCLUDE_DIRS "${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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# Restore CMAKE_FIND_FRAMEWORK
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if(DEFINED _PythonLibs_CMAKE_FIND_FRAMEWORK)
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set(CMAKE_FIND_FRAMEWORK ${_PythonLibs_CMAKE_FIND_FRAMEWORK})
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unset(_PythonLibs_CMAKE_FIND_FRAMEWORK)
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else()
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unset(CMAKE_FIND_FRAMEWORK)
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endif()
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include(${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_${_NAME}_BUILD_SHARED)
|
||
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|
||
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if(PYTHON_ENABLE_MODULE_${_NAME})
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||
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if(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
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||
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set(PY_MODULE_TYPE MODULE)
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||
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else()
|
||
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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()
|
||
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|
||
|
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set_property(GLOBAL APPEND PROPERTY PY_MODULES_LIST ${_NAME})
|
||
|
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add_library(${_NAME} ${PY_MODULE_TYPE} ${ARGN})
|
||
|
|
# target_link_libraries(${_NAME} ${PYTHON_LIBRARIES})
|
||
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|
||
|
|
if(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
|
||
|
|
set_target_properties(${_NAME} PROPERTIES PREFIX "${PYTHON_MODULE_PREFIX}")
|
||
|
|
if(WIN32 AND NOT CYGWIN)
|
||
|
|
set_target_properties(${_NAME} PROPERTIES SUFFIX ".pyd")
|
||
|
|
endif()
|
||
|
|
endif()
|
||
|
|
|
||
|
|
endif()
|
||
|
|
endfunction()
|
||
|
|
|
||
|
|
function(PYTHON_WRITE_MODULES_HEADER _filename)
|
||
|
|
|
||
|
|
get_property(PY_STATIC_MODULES_LIST GLOBAL PROPERTY PY_STATIC_MODULES_LIST)
|
||
|
|
|
||
|
|
get_filename_component(_name "${_filename}" NAME)
|
||
|
|
string(REPLACE "." "_" _name "${_name}")
|
||
|
|
string(TOUPPER ${_name} _nameUpper)
|
||
|
|
set(_filename ${CMAKE_CURRENT_BINARY_DIR}/${_filename})
|
||
|
|
|
||
|
|
set(_filenameTmp "${_filename}.in")
|
||
|
|
file(WRITE ${_filenameTmp} "/*Created by cmake, do not edit, changes will be lost*/\n")
|
||
|
|
file(APPEND ${_filenameTmp}
|
||
|
|
"#ifndef ${_nameUpper}
|
||
|
|
#define ${_nameUpper}
|
||
|
|
|
||
|
|
#include <Python.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern \"C\" {
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
")
|
||
|
|
|
||
|
|
foreach(_currentModule ${PY_STATIC_MODULES_LIST})
|
||
|
|
file(APPEND ${_filenameTmp} "extern void init${PYTHON_MODULE_PREFIX}${_currentModule}(void);\n\n")
|
||
|
|
endforeach()
|
||
|
|
|
||
|
|
file(APPEND ${_filenameTmp}
|
||
|
|
"#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
")
|
||
|
|
|
||
|
|
|
||
|
|
foreach(_currentModule ${PY_STATIC_MODULES_LIST})
|
||
|
|
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")
|
||
|
|
endforeach()
|
||
|
|
|
||
|
|
file(APPEND ${_filenameTmp} "void ${_name}_LoadAllPythonModules(void)\n{\n")
|
||
|
|
foreach(_currentModule ${PY_STATIC_MODULES_LIST})
|
||
|
|
file(APPEND ${_filenameTmp} " ${_name}_${_currentModule}();\n")
|
||
|
|
endforeach()
|
||
|
|
file(APPEND ${_filenameTmp} "}\n\n")
|
||
|
|
file(APPEND ${_filenameTmp} "#ifndef EXCLUDE_LOAD_ALL_FUNCTION\nvoid CMakeLoadAllPythonModules(void)\n{\n ${_name}_LoadAllPythonModules();\n}\n#endif\n\n#endif\n")
|
||
|
|
|
||
|
|
# with configure_file() cmake complains that you may not use a file created using file(WRITE) as input file for configure_file()
|
||
|
|
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_filenameTmp}" "${_filename}" OUTPUT_QUIET ERROR_QUIET)
|
||
|
|
|
||
|
|
endfunction()
|