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Merge pull request #29100 from tchaikov/wip-cmake-python-osx
cmake: use latest FindPython*.cmake Reviewed-by: Casey Bodley <cbodley@redhat.com>
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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. | ||
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| #[=======================================================================[.rst: | ||
| FindPython | ||
| ---------- | ||
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| Find Python interpreter, compiler and development environment (include | ||
| directories and libraries). | ||
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| Three components are supported: | ||
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| * ``Interpreter``: search for Python interpreter. | ||
| * ``Compiler``: search for Python compiler. Only offered by IronPython. | ||
| * ``Development``: search for development artifacts (include directories and | ||
| libraries). | ||
| * ``NumPy``: search for NumPy include directories. | ||
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| If no ``COMPONENTS`` is specified, ``Interpreter`` is assumed. | ||
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| To ensure consistent versions between components ``Interpreter``, ``Compiler``, | ||
| ``Development`` and ``NumPy``, specify all components at the same time:: | ||
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| find_package (Python COMPONENTS Interpreter Development) | ||
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| This module looks preferably for version 3 of Python. If not found, version 2 | ||
| is searched. | ||
| To manage concurrent versions 3 and 2 of Python, use :module:`FindPython3` and | ||
| :module:`FindPython2` modules rather than this one. | ||
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| .. note:: | ||
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| 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. | ||
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| Imported Targets | ||
| ^^^^^^^^^^^^^^^^ | ||
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| This module defines the following :ref:`Imported Targets <Imported Targets>` | ||
| (when :prop_gbl:`CMAKE_ROLE` is ``PROJECT``): | ||
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| ``Python::Interpreter`` | ||
| Python interpreter. Target defined if component ``Interpreter`` is found. | ||
| ``Python::Compiler`` | ||
| Python compiler. Target defined if component ``Compiler`` is found. | ||
| ``Python::Python`` | ||
| Python library. Target defined if component ``Development`` is found. | ||
| ``Python::NumPy`` | ||
| NumPy Python library. Target defined if component ``NumPy`` is found. | ||
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| Result Variables | ||
| ^^^^^^^^^^^^^^^^ | ||
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| This module will set the following variables in your project | ||
| (see :ref:`Standard Variable Names <CMake Developer Standard Variable Names>`): | ||
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| ``Python_FOUND`` | ||
| System has the Python requested components. | ||
| ``Python_Interpreter_FOUND`` | ||
| System has the Python interpreter. | ||
| ``Python_EXECUTABLE`` | ||
| Path to the Python interpreter. | ||
| ``Python_INTERPRETER_ID`` | ||
| A short string unique to the interpreter. Possible values include: | ||
| * Python | ||
| * ActivePython | ||
| * Anaconda | ||
| * Canopy | ||
| * IronPython | ||
| ``Python_STDLIB`` | ||
| Standard platform independent installation directory. | ||
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| Information returned by | ||
| ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=True)``. | ||
| ``Python_STDARCH`` | ||
| Standard platform dependent installation directory. | ||
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| Information returned by | ||
| ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=True)``. | ||
| ``Python_SITELIB`` | ||
| Third-party platform independent installation directory. | ||
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| Information returned by | ||
| ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=False)``. | ||
| ``Python_SITEARCH`` | ||
| Third-party platform dependent installation directory. | ||
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| Information returned by | ||
| ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=False)``. | ||
| ``Python_Compiler_FOUND`` | ||
| System has the Python compiler. | ||
| ``Python_COMPILER`` | ||
| Path to the Python compiler. Only offered by IronPython. | ||
| ``Python_COMPILER_ID`` | ||
| A short string unique to the compiler. Possible values include: | ||
| * IronPython | ||
| ``Python_Development_FOUND`` | ||
| System has the Python development artifacts. | ||
| ``Python_INCLUDE_DIRS`` | ||
| The Python include directories. | ||
| ``Python_LIBRARIES`` | ||
| The Python libraries. | ||
| ``Python_LIBRARY_DIRS`` | ||
| The Python library directories. | ||
| ``Python_RUNTIME_LIBRARY_DIRS`` | ||
| The Python runtime library directories. | ||
| ``Python_VERSION`` | ||
| Python version. | ||
| ``Python_VERSION_MAJOR`` | ||
| Python major version. | ||
| ``Python_VERSION_MINOR`` | ||
| Python minor version. | ||
| ``Python_VERSION_PATCH`` | ||
| Python patch version. | ||
| ``Python_NumPy_FOUND`` | ||
| System has the NumPy. | ||
| ``Python_NumPy_INCLUDE_DIRS`` | ||
| The NumPy include directries. | ||
| ``Python_NumPy_VERSION`` | ||
| The NumPy version. | ||
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| Hints | ||
| ^^^^^ | ||
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| ``Python_ROOT_DIR`` | ||
| Define the root directory of a Python installation. | ||
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| ``Python_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. | ||
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| ``Python_FIND_REGISTRY`` | ||
| On Windows the ``Python_FIND_REGISTRY`` variable determine the order | ||
| of preference between registry and environment variables. | ||
| the ``Python_FIND_REGISTRY`` variable can be set to empty or one of the | ||
| following: | ||
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| * ``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. | ||
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| ``CMAKE_FIND_FRAMEWORK`` | ||
| On OS X the :variable:`CMAKE_FIND_FRAMEWORK` variable determine the order of | ||
| preference between Apple-style and unix-style package components. | ||
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| .. note:: | ||
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| Value ``ONLY`` is not supported so ``FIRST`` will be used instead. | ||
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| .. note:: | ||
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| If a Python virtual environment is configured, set variable | ||
| ``Python_FIND_REGISTRY`` (Windows) or ``CMAKE_FIND_FRAMEWORK`` (macOS) with | ||
| value ``LAST`` or ``NEVER`` to select it preferably. | ||
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| Commands | ||
| ^^^^^^^^ | ||
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| This module defines the command ``Python_add_library`` (when | ||
| :prop_gbl:`CMAKE_ROLE` is ``PROJECT``), which has the same semantics as | ||
| :command:`add_library`, but takes care of Python module naming rules | ||
| (only applied if library is of type ``MODULE``), and adds a dependency to target | ||
| ``Python::Python``:: | ||
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| Python_add_library (my_module MODULE src1.cpp) | ||
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| If library type is not specified, ``MODULE`` is assumed. | ||
| #]=======================================================================] | ||
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| set (_PYTHON_PREFIX Python) | ||
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| if (DEFINED Python_FIND_VERSION) | ||
| set (_Python_REQUIRED_VERSION_MAJOR ${Python_FIND_VERSION_MAJOR}) | ||
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| include (${CMAKE_CURRENT_LIST_DIR}/FindPython/Support.cmake) | ||
| else() | ||
| # iterate over versions in quiet and NOT required modes to avoid multiple | ||
| # "Found" messages and prematurally failure. | ||
| set (_Python_QUIETLY ${Python_FIND_QUIETLY}) | ||
| set (_Python_REQUIRED ${Python_FIND_REQUIRED}) | ||
| set (Python_FIND_QUIETLY TRUE) | ||
| set (Python_FIND_REQUIRED FALSE) | ||
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| set (_Python_REQUIRED_VERSIONS 3 2) | ||
| set (_Python_REQUIRED_VERSION_LAST 2) | ||
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| foreach (_Python_REQUIRED_VERSION_MAJOR IN LISTS _Python_REQUIRED_VERSIONS) | ||
| set (Python_FIND_VERSION ${_Python_REQUIRED_VERSION_MAJOR}) | ||
| include (${CMAKE_CURRENT_LIST_DIR}/FindPython/Support.cmake) | ||
| if (Python_FOUND OR | ||
| _Python_REQUIRED_VERSION_MAJOR EQUAL _Python_REQUIRED_VERSION_LAST) | ||
| break() | ||
| endif() | ||
| # clean-up some CACHE variables to ensure look-up restart from scratch | ||
| foreach (_Python_ITEM IN LISTS _Python_CACHED_VARS) | ||
| unset (${_Python_ITEM} CACHE) | ||
| endforeach() | ||
| endforeach() | ||
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| unset (Python_FIND_VERSION) | ||
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| set (Python_FIND_QUIETLY ${_Python_QUIETLY}) | ||
| set (Python_FIND_REQUIRED ${_Python_REQUIRED}) | ||
| if (Python_FIND_REQUIRED OR NOT Python_FIND_QUIETLY) | ||
| # call again validation command to get "Found" or error message | ||
| find_package_handle_standard_args (Python HANDLE_COMPONENTS | ||
| REQUIRED_VARS ${_Python_REQUIRED_VARS} | ||
| VERSION_VAR Python_VERSION) | ||
| endif() | ||
| endif() | ||
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| if (COMMAND __Python_add_library) | ||
| macro (Python_add_library) | ||
| __Python_add_library (Python ${ARGV}) | ||
| endmacro() | ||
| endif() | ||
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| unset (_PYTHON_PREFIX) |
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