From ef777c5ca72e33e1efa0a75b6f380e158a30fa22 Mon Sep 17 00:00:00 2001
From: Stan Ulbrych <stan@python.org>
Date: Sun, 23 Aug 2026 11:18:31 +0100
Subject: [PATCH 1/2] Update `configure` for RISC-V support

---
 .../Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst    | 2 ++
 configure                                                   | 6 +++++-
 configure.ac                                                | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst

diff --git a/Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst b/Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst
new file mode 100644
index 000000000000000..0114e9dd6883557
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst
@@ -0,0 +1,2 @@
+Update :program:`configure` for the ``riscv64-unknown-linux-gnu`` target triple,
+which is now a :pep:`11` tier 3 supported platform.
diff --git a/configure b/configure
index 1373474034197d7..6b560fe6841b722 100755
--- a/configure
+++ b/configure
@@ -7470,7 +7470,11 @@ case $host/$ac_cv_cc_name in #(
     PY_SUPPORT_TIER=3 ;; #(
     powerpc64le-*-linux-gnu/clang) :
     PY_SUPPORT_TIER=3 ;; #(
-    s390x-*-linux-gnu/gcc) :
+    riscv64-*-linux-gnu/gcc) :
+    PY_SUPPORT_TIER=3 ;; #(
+    riscv64-*-linux-gnu/clang) :
+    PY_SUPPORT_TIER=3 ;; #(
+  s390x-*-linux-gnu/gcc) :
     PY_SUPPORT_TIER=3 ;; #(
     x86_64-*-freebsd*/clang) :
     PY_SUPPORT_TIER=3 ;; #(
diff --git a/configure.ac b/configure.ac
index be83c49da1a83d4..476f13c82bbb2b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1269,6 +1269,8 @@ AS_CASE([$host/$ac_cv_cc_name],
   [aarch64-pc-windows-msvc/msvc],        [PY_SUPPORT_TIER=3], dnl Windows ARM64, MSVC
   [armv7l-*-linux-gnueabihf/gcc],        [PY_SUPPORT_TIER=3], dnl ARMv7 LE with hardware floats, any vendor, glibc, gcc
   [powerpc64le-*-linux-gnu/clang],       [PY_SUPPORT_TIER=3], dnl Linux on PPC64 little endian, glibc, clang
+  [riscv64-*-linux-gnu/gcc],             [PY_SUPPORT_TIER=3], dnl Linux on RISC-V 64bit, glibc, gcc+clang
+  [riscv64-*-linux-gnu/clang],           [PY_SUPPORT_TIER=3],
   [s390x-*-linux-gnu/gcc],               [PY_SUPPORT_TIER=3], dnl Linux on 64bit s390x (big endian), glibc, gcc
   [x86_64-*-freebsd*/clang],             [PY_SUPPORT_TIER=3], dnl FreeBSD on AMD64
   [aarch64-apple-ios*-simulator/clang],  [PY_SUPPORT_TIER=3], dnl iOS Simulator on arm64

From 9518c4d56adf5a49c45f638f623b7d46cd07648e Mon Sep 17 00:00:00 2001
From: Stan Ulbrych <stan@python.org>
Date: Sun, 23 Aug 2026 19:58:46 +0100
Subject: [PATCH 2/2] Update
 Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst

Co-authored-by: Emma Smith <emma@emmatyping.dev>
---
 .../next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst  | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst b/Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst
index 0114e9dd6883557..a286955751c3a60 100644
--- a/Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst
+++ b/Misc/NEWS.d/next/Build/2026-08-23-12-10-45.gh-issue-156244.Rv6qXt.rst
@@ -1,2 +1 @@
-Update :program:`configure` for the ``riscv64-unknown-linux-gnu`` target triple,
-which is now a :pep:`11` tier 3 supported platform.
+Update :program:`configure` to reflect that the ``riscv64-unknown-linux-gnu`` target triple is now a :pep:`11` tier 3 supported platform.