bpo-40854: Allow overriding sys.platlibdir via PYTHONPLATLIBDIR env-var (GH-20605)
diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index fc82c3e..7b8e894 100644
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -436,6 +436,14 @@
:data:`sys.base_prefix`.
+ .. c:member:: wchar_t* platlibdir
+
+ :data:`sys.platlibdir`: platform library directory name, set at configure time
+ by ``--with-platlibdir``, overrideable by the ``PYTHONPLATLIBDIR``
+ environment variable.
+
+ .. versionadded:: 3.10
+
.. c:member:: int buffered_stdio
If equals to 0, enable unbuffered mode, making the stdout and stderr
@@ -884,6 +892,7 @@
* Path configuration inputs:
* :c:member:`PyConfig.home`
+ * :c:member:`PyConfig.platlibdir`
* :c:member:`PyConfig.pathconfig_warnings`
* :c:member:`PyConfig.program_name`
* :c:member:`PyConfig.pythonpath_env`