mirror of https://github.com/ceph/ceph
370 lines
14 KiB
CMake
370 lines
14 KiB
CMake
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#.rst:
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# FindPython3Libs
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# --------------
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#
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# Find python libraries
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#
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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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# ::
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#
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# PYTHON3LIBS_FOUND - have the Python libs been found
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# PYTHON3_LIBRARIES - path to the python library
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# PYTHON3_INCLUDE_PATH - path to where Python.h is found (deprecated)
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# PYTHON3_INCLUDE_DIRS - path to where Python.h is found
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# PYTHON3_DEBUG_LIBRARIES - path to the debug library (deprecated)
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# PYTHON3LIBS_VERSION_STRING - version of the Python libs found (since CMake 2.8.8)
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#
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#
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#
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# The Python3_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(Python3Libs).
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#
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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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# ::
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#
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# PYTHON3_LIBRARY - path to the python library
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# PYTHON3_INCLUDE_DIR - path to where Python.h is found
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#
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# If calling both ``find_package(PythonInterp)`` and
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# ``find_package(Python3Libs)``, 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 PYTHON3_LIBRARIES.
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#=============================================================================
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# Copyright 2001-2009 Kitware, Inc.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# * Neither the names of Kitware, Inc., the Insight Software Consortium,
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# nor the names of their contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#=============================================================================
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# Use the executable's path as a hint
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set(_Python3_LIBRARY_PATH_HINT)
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if(PYTHON3_EXECUTABLE)
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if(WIN32)
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get_filename_component(_Python3_PREFIX ${PYTHON3_EXECUTABLE} PATH)
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if(_Python3_PREFIX)
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set(_Python3_LIBRARY_PATH_HINT ${_Python3_PREFIX}/libs)
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endif()
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unset(_Python3_PREFIX)
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else()
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get_filename_component(_Python3_PREFIX ${PYTHON3_EXECUTABLE} PATH)
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get_filename_component(_Python3_PREFIX ${_Python3_PREFIX} PATH)
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if(_Python3_PREFIX)
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set(_Python3_LIBRARY_PATH_HINT ${_Python3_PREFIX}/lib)
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endif()
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unset(_Python3_PREFIX)
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endif()
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endif()
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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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# Save CMAKE_FIND_FRAMEWORK
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if(DEFINED CMAKE_FIND_FRAMEWORK)
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set(_Python3Libs_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK})
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else()
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unset(_Python3Libs_CMAKE_FIND_FRAMEWORK)
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endif()
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# To avoid picking up the system Python.h pre-maturely.
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set(CMAKE_FIND_FRAMEWORK LAST)
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set(_PYTHON3_VERSIONS 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
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if(Python3Libs_FIND_VERSION)
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if(Python3Libs_FIND_VERSION_COUNT GREATER 1)
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set(_PYTHON3_FIND_MAJ_MIN "${Python3Libs_FIND_VERSION_MAJOR}.${Python3Libs_FIND_VERSION_MINOR}")
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unset(_PYTHON3_FIND_OTHER_VERSIONS)
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if(Python3Libs_FIND_VERSION_EXACT)
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if(_PYTHON3_FIND_MAJ_MIN STREQUAL Python3Libs_FIND_VERSION)
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set(_PYTHON3_FIND_OTHER_VERSIONS "${Python3Libs_FIND_VERSION}")
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else()
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set(_PYTHON3_FIND_OTHER_VERSIONS "${Python3Libs_FIND_VERSION}" "${_PYTHON3_FIND_MAJ_MIN}")
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endif()
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else()
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foreach(_PYTHON3_V ${_PYTHON${Python3Libs_FIND_VERSION_MAJOR}_VERSIONS})
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if(NOT _PYTHON3_V VERSION_LESS _PYTHON3_FIND_MAJ_MIN)
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list(APPEND _PYTHON3_FIND_OTHER_VERSIONS ${_PYTHON3_V})
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endif()
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endforeach()
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endif()
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unset(_PYTHON3_FIND_MAJ_MIN)
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else()
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set(_PYTHON3_FIND_OTHER_VERSIONS ${_PYTHON${Python3Libs_FIND_VERSION_MAJOR}_VERSIONS})
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endif()
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else()
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set(_PYTHON3_FIND_OTHER_VERSIONS ${_PYTHON3_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(_Python3_VERSIONS ${Python3_ADDITIONAL_VERSIONS})
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if(DEFINED PYTHON3_VERSION_MAJOR AND DEFINED PYTHON3_VERSION_MINOR)
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list(APPEND _Python3_VERSIONS ${PYTHON3_VERSION_MAJOR}.${PYTHON3_VERSION_MINOR})
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endif()
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list(APPEND _Python3_VERSIONS ${_PYTHON3_FIND_OTHER_VERSIONS})
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unset(_PYTHON3_FIND_OTHER_VERSIONS)
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unset(_PYTHON3_VERSIONS)
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foreach(_CURRENT_VERSION ${_Python3_VERSIONS})
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string(REPLACE "." "" _CURRENT_VERSION_NO_DOTS ${_CURRENT_VERSION})
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if(WIN32)
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find_library(PYTHON3_DEBUG_LIBRARY
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NAMES python${_CURRENT_VERSION_NO_DOTS}_d python
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HINTS ${_Python3_LIBRARY_PATH_HINT}
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PATHS
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug
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[HKEY_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()
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set(PYTHON3_FRAMEWORK_LIBRARIES)
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if(Python3_FRAMEWORKS AND NOT PYTHON3_LIBRARY)
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foreach(dir ${Python3_FRAMEWORKS})
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list(APPEND PYTHON3_FRAMEWORK_LIBRARIES
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${dir}/Versions/${_CURRENT_VERSION}/lib)
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endforeach()
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endif()
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find_library(PYTHON3_LIBRARY
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NAMES
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python${_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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HINTS
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${_Python3_LIBRARY_PATH_HINT}
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PATHS
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${PYTHON3_FRAMEWORK_LIBRARIES}
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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(PYTHON3_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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# Don't search for include dir until library location is known
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if(PYTHON3_LIBRARY)
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# Use the library's install prefix as a hint
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set(_Python3_INCLUDE_PATH_HINT)
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get_filename_component(_Python3_PREFIX ${PYTHON3_LIBRARY} PATH)
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get_filename_component(_Python3_PREFIX ${_Python3_PREFIX} PATH)
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if(_Python3_PREFIX)
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set(_Python3_INCLUDE_PATH_HINT ${_Python3_PREFIX}/include)
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endif()
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unset(_Python3_PREFIX)
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# Add framework directories to the search paths
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set(PYTHON3_FRAMEWORK_INCLUDES)
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if(Python3_FRAMEWORKS AND NOT PYTHON3_INCLUDE_DIR)
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foreach(dir ${Python3_FRAMEWORKS})
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list(APPEND PYTHON3_FRAMEWORK_INCLUDES
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${dir}/Versions/${_CURRENT_VERSION}/include)
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endforeach()
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endif()
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find_path(PYTHON3_INCLUDE_DIR
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NAMES Python.h
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HINTS
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${_Python3_INCLUDE_PATH_HINT}
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PATHS
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${PYTHON3_FRAMEWORK_INCLUDES}
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_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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endif()
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# For backward compatibility, set PYTHON3_INCLUDE_PATH.
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set(PYTHON3_INCLUDE_PATH "${PYTHON3_INCLUDE_DIR}")
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if(PYTHON3_INCLUDE_DIR AND EXISTS "${PYTHON3_INCLUDE_DIR}/patchlevel.h")
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file(STRINGS "${PYTHON3_INCLUDE_DIR}/patchlevel.h" python3_version_str
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REGEX "^#define[ \t]+PY_VERSION[ \t]+\"[^\"]+\"")
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string(REGEX REPLACE "^#define[ \t]+PY_VERSION[ \t]+\"([^\"]+)\".*" "\\1"
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PYTHON3LIBS_VERSION_STRING "${python3_version_str}")
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unset(python3_version_str)
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endif()
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if(PYTHON3_LIBRARY AND PYTHON3_INCLUDE_DIR)
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break()
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endif()
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endforeach()
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unset(_Python3_INCLUDE_PATH_HINT)
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unset(_Python3_LIBRARY_PATH_HINT)
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mark_as_advanced(
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PYTHON3_DEBUG_LIBRARY
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PYTHON3_LIBRARY
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PYTHON3_INCLUDE_DIR
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)
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# We use PYTHON3_INCLUDE_DIR, PYTHON3_LIBRARY and PYTHON3_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(PYTHON3_INCLUDE_DIRS "${PYTHON3_INCLUDE_DIR}")
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set(PYTHON3_DEBUG_LIBRARIES "${PYTHON3_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(PYTHON3_LIBRARY_DEBUG "${PYTHON3_DEBUG_LIBRARY}")
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set(PYTHON3_LIBRARY_RELEASE "${PYTHON3_LIBRARY}")
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include(SelectLibraryConfigurations)
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SELECT_LIBRARY_CONFIGURATIONS(PYTHON3)
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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(PYTHON3_FOUND)
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# Restore CMAKE_FIND_FRAMEWORK
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if(DEFINED _Python3Libs_CMAKE_FIND_FRAMEWORK)
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set(CMAKE_FIND_FRAMEWORK ${_Python3Libs_CMAKE_FIND_FRAMEWORK})
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unset(_Python3Libs_CMAKE_FIND_FRAMEWORK)
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else()
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unset(CMAKE_FIND_FRAMEWORK)
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endif()
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Python3Libs
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REQUIRED_VARS PYTHON3_LIBRARIES PYTHON3_INCLUDE_DIRS
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VERSION_VAR PYTHON3LIBS_VERSION_STRING)
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# PYTHON3_ADD_MODULE(<name> src1 src2 ... srcN) is used to build modules for python.
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# PYTHON3_WRITE_MODULES_HEADER(<filename>) writes a header file you can include
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# in your sources to initialize the static python modules
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function(PYTHON3_ADD_MODULE _NAME )
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get_property(_TARGET_SUPPORTS_SHARED_LIBS
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GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS)
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option(PYTHON3_ENABLE_MODULE_${_NAME} "Add module ${_NAME}" TRUE)
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option(PYTHON3_MODULE_${_NAME}_BUILD_SHARED
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"Add module ${_NAME} shared" ${_TARGET_SUPPORTS_SHARED_LIBS})
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# Mark these options as advanced
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mark_as_advanced(PYTHON3_ENABLE_MODULE_${_NAME}
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PYTHON3_MODULE_${_NAME}_BUILD_SHARED)
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if(PYTHON3_ENABLE_MODULE_${_NAME})
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if(PYTHON3_MODULE_${_NAME}_BUILD_SHARED)
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set(PY_MODULE_TYPE MODULE)
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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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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} ${PYTHON3_LIBRARIES})
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if(PYTHON3_MODULE_${_NAME}_BUILD_SHARED)
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set_target_properties(${_NAME} PROPERTIES PREFIX "${PYTHON3_MODULE_PREFIX}")
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if(WIN32 AND NOT CYGWIN)
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set_target_properties(${_NAME} PROPERTIES SUFFIX ".pyd")
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endif()
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endif()
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endif()
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endfunction()
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function(PYTHON3_WRITE_MODULES_HEADER _filename)
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get_property(PY_STATIC_MODULES_LIST GLOBAL PROPERTY PY_STATIC_MODULES_LIST)
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get_filename_component(_name "${_filename}" NAME)
|
||
|
|
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 ${_filenameTmp} "extern void init${PYTHON3_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[]=\"${PYTHON3_MODULE_PREFIX}${_currentModule}\"; return PyImport_AppendInittab(name, init${PYTHON3_MODULE_PREFIX}${_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()
|