ref-manual: add python3targetconfig class and remove python 2 references

Add the recently added python3targetconfig class. Also, we no longer
have the python 2 classes, remove all references to those.

(From yocto-docs rev: c63d88656e2fc5361c512d4d9b426260c3e339f3)

Signed-off-by: Paul Eggleton <paul.eggleton@microsoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 16 insertions, 51 deletions

diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index 6d9779f6e7..52a50faf67 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -501,29 +501,6 @@ Support for other version control systems such as Subversion is limited
 due to BitBake's automatic fetch dependencies (e.g.
 ``subversion-native``).
 
-.. _ref-classes-distutils:
-
-``distutils*.bbclass``
-======================
-
-The ``distutils*`` classes support recipes for Python version 2.x
-extensions, which are simple. These recipes usually only need to point
-to the source's archive and then inherit the proper class. Building is
-split into two methods depending on which method the module authors
-used.
-
--  Extensions that use an Autotools-based build system require Autotools
-   and the classes based on ``distutils`` in their recipes.
-
--  Extensions that use build systems based on ``distutils`` require the
-   ``distutils`` class in their recipes.
-
--  Extensions that use build systems based on ``setuptools`` require the
-   :ref:`setuptools <ref-classes-setuptools>` class in their recipes.
-
-The ``distutils-common-base`` class is required by some of the
-``distutils*`` classes to provide common Python2 support.
-
 .. _ref-classes-distutils3:
 
 ``distutils3*.bbclass``
@@ -542,15 +519,9 @@ used.
    ``distutils`` class in their recipes.
 
 -  Extensions that use build systems based on ``setuptools3`` require
-   the :ref:`setuptools3 <ref-classes-setuptools>` class in their
+   the :ref:`setuptools3 <ref-classes-setuptools3>` class in their
    recipes.
 
-The ``distutils3*`` classes either inherit their corresponding
-``distutils*`` class or replicate them using a Python3 version instead
-(e.g. ``distutils3-base`` inherits ``distutils-common-base``, which is
-the same as ``distutils-base`` but inherits ``python3native`` instead of
-``pythonnative``).
-
 .. _ref-classes-externalsrc:
 
 ``externalsrc.bbclass``
@@ -2138,13 +2109,13 @@ For information on setting up and running ptests, see the
 ":ref:`dev-manual/common-tasks:testing packages with ptest`"
 section in the Yocto Project Development Tasks Manual.
 
-.. _ref-classes-python-dir:
+.. _ref-classes-python3-dir:
 
-``python-dir.bbclass``
-======================
+``python3-dir.bbclass``
+=======================
 
-The ``python-dir`` class provides the base version, location, and site
-package location for Python.
+The ``python3-dir`` class provides the base version, location, and site
+package location for Python 3.
 
 .. _ref-classes-python3native:
 
@@ -2155,14 +2126,17 @@ The ``python3native`` class supports using the native version of Python
 3 built by the build system rather than support of the version provided
 by the build host.
 
-.. _ref-classes-pythonnative:
+.. _ref-classes-python3targetconfig:
 
-``pythonnative.bbclass``
-========================
+``python3targetconfig.bbclass``
+===============================
 
-When inherited by a recipe, the ``pythonnative`` class supports using
-the native version of Python built by the build system rather than using
-the version provided by the build host.
+The ``python3targetconfig`` class supports using the native version of Python
+3 built by the build system rather than support of the version provided
+by the build host, except that the configuration for the target machine
+is accessible (such as correct installation directories). This also adds a
+dependency on target ``python3``, so should only be used where appropriate
+in order to avoid unnecessarily lengthening builds.
 
 .. _ref-classes-qemu:
 
@@ -2323,22 +2297,13 @@ additional configuration options you want to pass SCons command line.
 The ``sdl`` class supports recipes that need to build software that uses
 the Simple DirectMedia Layer (SDL) library.
 
-.. _ref-classes-setuptools:
-
-``setuptools.bbclass``
-======================
-
-The ``setuptools`` class supports Python version 2.x extensions that use
-build systems based on ``setuptools``. If your recipe uses these build
-systems, the recipe needs to inherit the ``setuptools`` class.
-
 .. _ref-classes-setuptools3:
 
 ``setuptools3.bbclass``
 =======================
 
 The ``setuptools3`` class supports Python version 3.x extensions that
-use build systems based on ``setuptools3``. If your recipe uses these
+use build systems based on ``setuptools``. If your recipe uses these
 build systems, the recipe needs to inherit the ``setuptools3`` class.
 
 .. _ref-classes-sign_rpm: