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-# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
-
-#[=======================================================================[.rst:
-FindPython3
------------
-
-Find Python 3 interpreter, compiler and development environment (include
-directories and libraries).
-
-The following components are supported:
-
-* ``Interpreter``: search for Python 3 interpreter
-* ``Compiler``: search for Python 3 compiler. Only offered by IronPython.
-* ``Development``: search for development artifacts (include directories and
- libraries)
-* ``NumPy``: search for NumPy include directories.
-
-If no ``COMPONENTS`` are specified, ``Interpreter`` is assumed.
-
-To ensure consistent versions between components ``Interpreter``, ``Compiler``,
-``Development`` and ``NumPy``, specify all components at the same time::
-
- find_package (Python3 COMPONENTS Interpreter Development)
-
-This module looks only for version 3 of Python. This module can be used
-concurrently with :module:`FindPython2` module to use both Python versions.
-
-The :module:`FindPython` module can be used if Python version does not matter
-for you.
-
-.. note::
-
- If components ``Interpreter`` and ``Development`` are both specified, this
- module search only for interpreter with same platform architecture as the one
- defined by ``CMake`` configuration. This contraint does not apply if only
- ``Interpreter`` component is specified.
-
-Imported Targets
-^^^^^^^^^^^^^^^^
-
-This module defines the following :ref:`Imported Targets <Imported Targets>`
-(when :prop_gbl:`CMAKE_ROLE` is ``PROJECT``):
-
-``Python3::Interpreter``
- Python 3 interpreter. Target defined if component ``Interpreter`` is found.
-``Python3::Compiler``
- Python 3 compiler. Target defined if component ``Compiler`` is found.
-``Python3::Python``
- Python 3 library for Python embedding. Target defined if component
- ``Development`` is found.
-``Python3::Module``
- Python 3 library for Python module. Target defined if component
- ``Development`` is found.
-``Python3::NumPy``
- NumPy library for Python 3. Target defined if component ``NumPy`` is found.
-
-Result Variables
-^^^^^^^^^^^^^^^^
-
-This module will set the following variables in your project
-(see :ref:`Standard Variable Names <CMake Developer Standard Variable Names>`):
-
-``Python3_FOUND``
- System has the Python 3 requested components.
-``Python3_Interpreter_FOUND``
- System has the Python 3 interpreter.
-``Python3_EXECUTABLE``
- Path to the Python 3 interpreter.
-``Python3_INTERPRETER_ID``
- A short string unique to the interpreter. Possible values include:
- * Python
- * ActivePython
- * Anaconda
- * Canopy
- * IronPython
-``Python3_STDLIB``
- Standard platform independent installation directory.
-
- Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=True)``.
-``Python3_STDARCH``
- Standard platform dependent installation directory.
-
- Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=True)``.
-``Python3_SITELIB``
- Third-party platform independent installation directory.
-
- Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=False)``.
-``Python3_SITEARCH``
- Third-party platform dependent installation directory.
-
- Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=False)``.
-``Python3_Compiler_FOUND``
- System has the Python 3 compiler.
-``Python3_COMPILER``
- Path to the Python 3 compiler. Only offered by IronPython.
-``Python3_COMPILER_ID``
- A short string unique to the compiler. Possible values include:
- * IronPython
-``Python3_Development_FOUND``
- System has the Python 3 development artifacts.
-``Python3_INCLUDE_DIRS``
- The Python 3 include directories.
-``Python3_LIBRARIES``
- The Python 3 libraries.
-``Python3_LIBRARY_DIRS``
- The Python 3 library directories.
-``Python3_RUNTIME_LIBRARY_DIRS``
- The Python 3 runtime library directories.
-``Python3_VERSION``
- Python 3 version.
-``Python3_VERSION_MAJOR``
- Python 3 major version.
-``Python3_VERSION_MINOR``
- Python 3 minor version.
-``Python3_VERSION_PATCH``
- Python 3 patch version.
-``Python3_NumPy_FOUND``
- System has the NumPy.
-``Python3_NumPy_INCLUDE_DIRS``
- The NumPy include directries.
-``Python3_NumPy_VERSION``
- The NumPy version.
-
-Hints
-^^^^^
-
-``Python3_ROOT_DIR``
- Define the root directory of a Python 3 installation.
-
-``Python3_USE_STATIC_LIBS``
- * If not defined, search for shared libraries and static libraries in that
- order.
- * If set to TRUE, search **only** for static libraries.
- * If set to FALSE, search **only** for shared libraries.
-
-``Python3_FIND_ABI``
- This variable defines which ABIs, as defined in
- `PEP 3149 <https://www.python.org/dev/peps/pep-3149/>`_, should be searched.
-
- .. note::
-
- If ``Python3_FIND_ABI`` is not defined, any ABI will be searched.
-
- The ``Python3_FIND_ABI`` variable is a 3-tuple specifying, in that order,
- ``pydebug`` (``d``), ``pymalloc`` (``m``) and ``unicode`` (``u``) flags.
- Each element can be set to one of the following:
-
- * ``ON``: Corresponding flag is selected.
- * ``OFF``: Corresponding flag is not selected.
- * ``ANY``: The two posibilties (``ON`` and ``OFF``) will be searched.
-
- From this 3-tuple, various ABIs will be searched starting from the most
- specialized to the most general. Moreover, ``debug`` versions will be
- searched **after** ``non-debug`` ones.
-
- For example, if we have::
-
- set (Python3_FIND_ABI "ON" "ANY" "ANY")
-
- The following flags combinations will be appended, in that order, to the
- artifact names: ``dmu``, ``dm``, ``du``, and ``d``.
-
- And to search any possible ABIs::
-
- set (Python3_FIND_ABI "ANY" "ANY" "ANY")
-
- The following combinations, in that order, will be used: ``mu``, ``m``,
- ``u``, ``<empty>``, ``dmu``, ``dm``, ``du`` and ``d``.
-
- .. note::
-
- This hint is useful only on ``POSIX`` systems. So, on ``Windows`` systems,
- when ``Python3_FIND_ABI`` is defined, ``Python`` distributions from
- `python.org <https://www.python.org/>`_ will be found only if value for
- each flag is ``OFF`` or ``ANY``.
-
-``Python3_FIND_STRATEGY``
- This variable defines how lookup will be done.
- The ``Python3_FIND_STRATEGY`` variable can be set to empty or one of the
- following:
-
- * ``VERSION``: Try to find the most recent version in all specified
- locations.
- This is the default if policy :policy:`CMP0094` is undefined or set to
- ``OLD``.
- * ``LOCATION``: Stops lookup as soon as a version satisfying version
- constraints is founded.
- This is the default if policy :policy:`CMP0094` is set to ``NEW``.
-
-``Python3_FIND_REGISTRY``
- On Windows the ``Python3_FIND_REGISTRY`` variable determine the order
- of preference between registry and environment variables.
- The ``Python3_FIND_REGISTRY`` variable can be set to empty or one of the
- following:
-
- * ``FIRST``: Try to use registry before environment variables.
- This is the default.
- * ``LAST``: Try to use registry after environment variables.
- * ``NEVER``: Never try to use registry.
-
-``Python3_FIND_FRAMEWORK``
- On macOS the ``Python3_FIND_FRAMEWORK`` variable determine the order of
- preference between Apple-style and unix-style package components.
- This variable can be set to empty or take same values as
- :variable:`CMAKE_FIND_FRAMEWORK` variable.
-
- .. note::
-
- Value ``ONLY`` is not supported so ``FIRST`` will be used instead.
-
- If ``Python3_FIND_FRAMEWORK`` is not defined, :variable:`CMAKE_FIND_FRAMEWORK`
- variable will be used, if any.
-
-``Python3_FIND_VIRTUALENV``
- This variable defines the handling of virtual environments. It is meaningfull
- only when a virtual environment is active (i.e. the ``activate`` script has
- been evaluated). In this case, it takes precedence over
- ``Python3_FIND_REGISTRY`` and ``CMAKE_FIND_FRAMEWORK`` variables.
- The ``Python3_FIND_VIRTUALENV`` variable can be set to empty or one of the
- following:
-
- * ``FIRST``: The virtual environment is used before any other standard
- paths to look-up for the interpreter. This is the default.
- * ``ONLY``: Only the virtual environment is used to look-up for the
- interpreter.
- * ``STANDARD``: The virtual environment is not used to look-up for the
- interpreter. In this case, variable ``Python3_FIND_REGISTRY`` (Windows)
- or ``CMAKE_FIND_FRAMEWORK`` (macOS) can be set with value ``LAST`` or
- ``NEVER`` to select preferably the interpreter from the virtual
- environment.
-
- .. note::
-
- If the component ``Development`` is requested, it is **strongly**
- recommended to also include the component ``Interpreter`` to get expected
- result.
-
-Artifacts Specification
-^^^^^^^^^^^^^^^^^^^^^^^
-
-To solve special cases, it is possible to specify directly the artifacts by
-setting the following variables:
-
-``Python3_EXECUTABLE``
- The path to the interpreter.
-
-``Python3_COMPILER``
- The path to the compiler.
-
-``Python3_LIBRARY``
- The path to the library. It will be used to compute the
- variables ``Python3_LIBRARIES``, ``Python3_LIBRAY_DIRS`` and
- ``Python3_RUNTIME_LIBRARY_DIRS``.
-
-``Python3_INCLUDE_DIR``
- The path to the directory of the ``Python`` headers. It will be used to
- compute the variable ``Python3_INCLUDE_DIRS``.
-
-``Python3_NumPy_INCLUDE_DIR``
- The path to the directory of the ``NumPy`` headers. It will be used to
- compute the variable ``Python3_NumPy_INCLUDE_DIRS``.
-
-.. note::
-
- All paths must be absolute. Any artifact specified with a relative path
- will be ignored.
-
-.. note::
-
- When an artifact is specified, all ``HINTS`` will be ignored and no search
- will be performed for this artifact.
-
- If more than one artifact is specified, it is the user's responsability to
- ensure the consistency of the various artifacts.
-
-Commands
-^^^^^^^^
-
-This module defines the command ``Python_add_library`` (when
-:prop_gbl:`CMAKE_ROLE` is ``PROJECT``), which has the same semantics as
-:command:`add_library` and adds a dependency to target ``Python3::Python`` or,
-when library type is ``MODULE``, to target ``Python3::Module`` and takes care
-of Python module naming rules::
-
- Python3_add_library (my_module MODULE src1.cpp)
-
-If library type is not specified, ``MODULE`` is assumed.
-#]=======================================================================]
-
-
-set (_PYTHON_PREFIX Python3)
-
-set (_Python3_REQUIRED_VERSION_MAJOR 3)
-
-include (${CMAKE_CURRENT_LIST_DIR}/FindPython/Support.cmake)
-
-if (COMMAND __Python3_add_library)
- macro (Python3_add_library)
- __Python3_add_library (Python3 ${ARGV})
- endmacro()
-endif()
-
-unset (_PYTHON_PREFIX)