Configure Python
****************
+.. highlight:: sh
+
Build Requirements
==================
* Autoconf 2.71 and aclocal 1.16.4 are required to regenerate the
:file:`configure` script.
-.. versionchanged:: 3.13:
- Autoconf 2.71, aclocal 1.16.4 and SQLite 3.15.2 are now required.
+.. versionchanged:: 3.1
+ Tcl/Tk version 8.3.1 is now required.
-.. versionchanged:: 3.11
- C11 compiler, IEEE 754 and NaN support are now required.
- On Windows, Visual Studio 2017 or later is required.
- Tcl/Tk version 8.5.12 is now required for the :mod:`tkinter` module.
+.. versionchanged:: 3.5
+ On Windows, Visual Studio 2015 or later is now required.
+ Tcl/Tk version 8.4 is now required.
-.. versionchanged:: 3.10
- OpenSSL 1.1.1 is now required.
- Require SQLite 3.7.15.
+.. versionchanged:: 3.6
+ Selected C99 features are now required, like ``<stdint.h>`` and ``static
+ inline`` functions.
.. versionchanged:: 3.7
Thread support and OpenSSL 1.0.2 are now required.
-.. versionchanged:: 3.6
- Selected C99 features are now required, like ``<stdint.h>`` and ``static
- inline`` functions.
+.. versionchanged:: 3.10
+ OpenSSL 1.1.1 is now required.
+ Require SQLite 3.7.15.
-.. versionchanged:: 3.5
- On Windows, Visual Studio 2015 or later is now required.
- Tcl/Tk version 8.4 is now required.
+.. versionchanged:: 3.11
+ C11 compiler, IEEE 754 and NaN support are now required.
+ On Windows, Visual Studio 2017 or later is required.
+ Tcl/Tk version 8.5.12 is now required for the :mod:`tkinter` module.
-.. versionchanged:: 3.1
- Tcl/Tk version 8.3.1 is now required.
+.. versionchanged:: 3.13
+ Autoconf 2.71, aclocal 1.16.4 and SQLite 3.15.2 are now required.
See also :pep:`7` "Style Guide for C Code" and :pep:`11` "CPython platform
support".
* to/from free lists;
* dictionary materialized/dematerialized;
* type cache;
- * optimization attemps;
+ * optimization attempts;
* optimization traces created/executed;
* uops executed.
:ref:`Statically allocated objects <static-types>` are not traced.
+ .. versionadded:: 3.8
+
.. versionchanged:: 3.13
This build is now ABI compatible with release build and :ref:`debug build
<debug-build>`.
- .. versionadded:: 3.8
-
.. option:: --with-assertions
Build with C assertions enabled (default is no): ``assert(...);`` and
An environment variable that points to a file with configure overrides.
- Example *config.site* file::
+ Example *config.site* file:
+
+ .. code-block:: ini
# config.site-aarch64
ac_cv_buggy_getaddrinfo=no
Some C extensions are built as built-in modules, like the ``sys`` module.
They are built with the ``Py_BUILD_CORE_BUILTIN`` macro defined.
-Built-in modules have no ``__file__`` attribute::
+Built-in modules have no ``__file__`` attribute:
+
+.. code-block:: pycon
>>> import sys
>>> sys
Other C extensions are built as dynamic libraries, like the ``_asyncio`` module.
They are built with the ``Py_BUILD_CORE_MODULE`` macro defined.
-Example on Linux x86-64::
+Example on Linux x86-64:
+
+.. code-block:: pycon
>>> import _asyncio
>>> _asyncio