2020-03-03 09:26:56 +09:00
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# This module finds the libraries corresponding to the Python 3 interpreter
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# and the NumPy package, and sets the following variables:
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# - PYTHON_EXECUTABLE
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# - PYTHON_INCLUDE_DIRS
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# - PYTHON_LIBRARIES
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# - PYTHON_OTHER_LIBS
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# - NUMPY_INCLUDE_DIRS
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2022-08-30 13:57:58 +09:00
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if(Python3Alt_FOUND)
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return()
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endif()
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2022-05-08 05:17:05 +09:00
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set(Python3Alt_FIND_PACKAGE_OPTIONS)
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set(Python3Alt_NumPy_FIND_PACKAGE_OPTIONS)
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if(Python3Alt_FIND_VERSION)
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list(APPEND Python3Alt_FIND_PACKAGE_OPTIONS ${Python3Alt_FIND_VERSION})
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endif()
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if(Python3Alt_FIND_REQUIRED)
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list(APPEND Python3Alt_FIND_PACKAGE_OPTIONS REQUIRED)
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list(APPEND Python3Alt_NumPy_FIND_PACKAGE_OPTIONS REQUIRED)
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endif()
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if(Python3Alt_FIND_QUIETLY)
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list(APPEND Python3Alt_FIND_PACKAGE_OPTIONS QUIET)
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list(APPEND Python3Alt_NumPy_FIND_PACKAGE_OPTIONS QUIET)
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endif()
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2023-06-27 14:53:32 +09:00
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if(CMAKE_VERSION VERSION_LESS 3.18.0)
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# We need libpython to be present, so ask for the full "Development"
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# component on CMake < 3.18, where "Development.Module" is not
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# available.
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2022-05-08 05:17:05 +09:00
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find_package(Python3 ${Python3Alt_FIND_PACKAGE_OPTIONS} COMPONENTS Interpreter
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Development NumPy)
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2020-03-03 09:26:56 +09:00
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else()
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2022-05-08 05:17:05 +09:00
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find_package(Python3 ${Python3Alt_FIND_PACKAGE_OPTIONS}
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COMPONENTS Interpreter Development.Module NumPy)
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2020-03-03 09:26:56 +09:00
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endif()
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if(NOT Python3_FOUND)
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return()
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endif()
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set(PYTHON_EXECUTABLE ${Python3_EXECUTABLE})
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set(PYTHON_INCLUDE_DIRS ${Python3_INCLUDE_DIRS})
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set(PYTHON_LIBRARIES ${Python3_LIBRARIES})
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set(PYTHON_OTHER_LIBS)
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get_target_property(NUMPY_INCLUDE_DIRS Python3::NumPy INTERFACE_INCLUDE_DIRECTORIES)
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# CMake's python3_add_library() doesn't apply the required extension suffix,
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# detect it ourselves.
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# (https://gitlab.kitware.com/cmake/cmake/issues/20408)
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2021-06-24 05:25:05 +09:00
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
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2024-03-15 02:23:30 +01:00
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"import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))"
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2021-06-24 05:25:05 +09:00
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RESULT_VARIABLE _PYTHON_RESULT
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OUTPUT_VARIABLE _PYTHON_STDOUT
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ERROR_VARIABLE _PYTHON_STDERR)
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2020-03-03 09:26:56 +09:00
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if(NOT _PYTHON_RESULT MATCHES 0)
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if(Python3Alt_FIND_REQUIRED)
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message(FATAL_ERROR "Python 3 config failure:\n${_PYTHON_STDERR}")
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endif()
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endif()
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string(STRIP ${_PYTHON_STDOUT} _EXT_SUFFIX)
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function(PYTHON_ADD_MODULE name)
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python3_add_library(${name} MODULE ${ARGN})
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set_target_properties(${name} PROPERTIES SUFFIX ${_EXT_SUFFIX})
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endfunction()
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2021-06-24 05:25:05 +09:00
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find_package_handle_standard_args(
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Python3Alt REQUIRED_VARS PYTHON_EXECUTABLE PYTHON_INCLUDE_DIRS NUMPY_INCLUDE_DIRS)
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