From 5f8b5e2f2150d2223ff9e286bd146de92ff16865 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Fri, 25 Feb 2022 01:31:30 +0100
Subject: [PATCH] bpo-46656: Building Python now requires a C11 compiler
 (GH-31557)

See PEP 7:
https://python.github.io/peps/pep-0007/#c-dialect
---
 Doc/whatsnew/3.11.rst                                          | 3 +++
 .../NEWS.d/next/Build/2022-02-25-00-51-16.bpo-46656.MD783M.rst | 2 ++
 2 files changed, 5 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Build/2022-02-25-00-51-16.bpo-46656.MD783M.rst

diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst
index 9744051ede6..c717aad9c87 100644
--- a/Doc/whatsnew/3.11.rst
+++ b/Doc/whatsnew/3.11.rst
@@ -618,6 +618,9 @@ Changes in the Python API
 Build Changes
 =============
 
+* Building Python now requires a C11 compiler without optional C11 features.
+  (Contributed by Victor Stinner in :issue:`46656`.)
+
 * CPython can now be built with the ThinLTO option via ``--with-lto=thin``.
   (Contributed by Dong-hee Na and Brett Holman in :issue:`44340`.)
 
diff --git a/Misc/NEWS.d/next/Build/2022-02-25-00-51-16.bpo-46656.MD783M.rst b/Misc/NEWS.d/next/Build/2022-02-25-00-51-16.bpo-46656.MD783M.rst
new file mode 100644
index 00000000000..f5b789b23ee
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2022-02-25-00-51-16.bpo-46656.MD783M.rst
@@ -0,0 +1,2 @@
+Building Python now requires a C11 compiler without optional C11 features.
+Patch by Victor Stinner.