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-rw-r--r--Modules/FindPython.cmake77
1 files changed, 58 insertions, 19 deletions
diff --git a/Modules/FindPython.cmake b/Modules/FindPython.cmake
index 32ef120..95c4a0f 100644
--- a/Modules/FindPython.cmake
+++ b/Modules/FindPython.cmake
@@ -13,13 +13,24 @@ The following components are supported:
* ``Interpreter``: search for Python interpreter.
* ``Compiler``: search for Python compiler. Only offered by IronPython.
* ``Development``: search for development artifacts (include directories and
- libraries).
+ libraries). This component includes two sub-components which can be specified
+ independently:
+
+ * ``Development.Module``: search for artifacts for Python module
+ developments.
+ * ``Development.Embed``: search for artifacts for Python embedding
+ developments.
+
* ``NumPy``: search for NumPy include directories.
If no ``COMPONENTS`` are specified, ``Interpreter`` is assumed.
+If component ``Development`` is specified, it implies sub-components
+``Development.Module`` and ``Development.Embed``.
+
To ensure consistent versions between components ``Interpreter``, ``Compiler``,
-``Development`` and ``NumPy``, specify all components at the same time::
+``Development`` (or one of its sub-components) and ``NumPy``, specify all
+components at the same time::
find_package (Python COMPONENTS Interpreter Development)
@@ -30,10 +41,11 @@ To manage concurrent versions 3 and 2 of Python, use :module:`FindPython3` and
.. 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.
+ If components ``Interpreter`` and ``Development`` (or one of its
+ sub-components) 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
^^^^^^^^^^^^^^^^
@@ -45,12 +57,12 @@ This module defines the following :ref:`Imported Targets <Imported Targets>`
Python interpreter. Target defined if component ``Interpreter`` is found.
``Python::Compiler``
Python compiler. Target defined if component ``Compiler`` is found.
+``Python::Module``
+ Python library for Python module. Target defined if component
+ ``Development.Module`` is found.
``Python::Python``
Python library for Python embedding. Target defined if component
- ``Development`` is found.
-``Python::Module``
- Python library for Python module. Target defined if component ``Development``
- is found.
+ ``Development.Embed`` is found.
``Python::NumPy``
NumPy Python library. Target defined if component ``NumPy`` is found.
@@ -77,29 +89,35 @@ This module will set the following variables in your project
Standard platform independent installation directory.
Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=True)``.
+ ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=True)``
+ or else ``sysconfig.get_path('stdlib')``.
``Python_STDARCH``
Standard platform dependent installation directory.
Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=True)``.
+ ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=True)``
+ or else ``sysconfig.get_path('platstdlib')``.
``Python_SITELIB``
Third-party platform independent installation directory.
Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=False)``.
+ ``distutils.sysconfig.get_python_lib(plat_specific=False,standard_lib=False)``
+ or else ``sysconfig.get_path('purelib')``.
``Python_SITEARCH``
Third-party platform dependent installation directory.
Information returned by
- ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=False)``.
+ ``distutils.sysconfig.get_python_lib(plat_specific=True,standard_lib=False)``
+ or else ``sysconfig.get_path('platlib')``.
``Python_SOABI``
Extension suffix for modules.
Information returned by
- ``distutils.sysconfig.get_config_flag('SOABI')`` or computed from
- ``distutils.sysconfig.get_config_flag('EXT_SUFFIX')`` or
- ``python-config --extension-suffix``.
+ ``distutils.sysconfig.get_config_var('SOABI')`` or computed from
+ ``distutils.sysconfig.get_config_var('EXT_SUFFIX')`` or
+ ``python-config --extension-suffix``. If package ``distutils.sysconfig`` is
+ not available, ``sysconfig.get_config_var('SOABI')`` or
+ ``sysconfig.get_config_var('EXT_SUFFIX')`` are used.
``Python_Compiler_FOUND``
System has the Python compiler.
``Python_COMPILER``
@@ -109,6 +127,10 @@ This module will set the following variables in your project
* IronPython
``Python_Development_FOUND``
System has the Python development artifacts.
+``Python_Development.Module_FOUND``
+ System has the Python development artifacts for Python module.
+``Python_Development.Embed_FOUND``
+ System has the Python development artifacts for Python embedding.
``Python_INCLUDE_DIRS``
The Python include directories.
``Python_LIBRARIES``
@@ -237,8 +259,9 @@ Hints
* ``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 ``Python_FIND_REGISTRY`` (Windows)
- or ``CMAKE_FIND_FRAMEWORK`` (macOS) can be set with value ``LAST`` or
+ interpreter but environment variable ``PATH`` is always considered.
+ In this case, variable ``Python_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.
@@ -286,6 +309,22 @@ setting the following variables:
If more than one artifact is specified, it is the user's responsability to
ensure the consistency of the various artifacts.
+By default, this module supports multiple calls in different directories of a
+project with different version/component requirements while providing correct
+and consistent results for each call. To support this behavior, ``CMake`` cache
+is not used in the traditional way which can be problematic for interactive
+specification. So, to enable also interactive specification, module behavior
+can be controled with the following variable:
+
+``Python_ARTIFACTS_INTERACTIVE``
+ Selects the behavior of the module. This is a boolean variable:
+
+ * If set to ``TRUE``: Create CMake cache entries for the above artifact
+ specification variables so that users can edit them interactively.
+ This disables support for multiple version/component requirements.
+ * If set to ``FALSE`` or undefined: Enable multiple version/component
+ requirements.
+
Commands
^^^^^^^^