bpo-43774: Document configure options (GH-25283)
Add Doc/using/configure.rst documentation to document configure,
preprocessor, compiler and linker options.
Add a new section about the "Python debug build".
diff --git a/Doc/library/warnings.rst b/Doc/library/warnings.rst
index 9c1743c..fe11aab 100644
--- a/Doc/library/warnings.rst
+++ b/Doc/library/warnings.rst
@@ -229,7 +229,7 @@
ignore::ImportWarning
ignore::ResourceWarning
-In debug builds, the list of default warning filters is empty.
+In a :ref:`debug build <debug-build>`, the list of default warning filters is empty.
.. versionchanged:: 3.2
:exc:`DeprecationWarning` is now ignored by default in addition to