From 2a8e97b8ed89d30840a5d9ece1d921165f179a64 Mon Sep 17 00:00:00 2001
From: Nathan Goldbaum <nathan.goldbaum@gmail.com>
Date: Tue, 26 Nov 2024 15:07:55 -0700
Subject: [PATCH] support interpreter names like '3.13t

---
 src/build_options.rs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/build_options.rs b/src/build_options.rs
index fd136cbc2..7f1038193 100644
--- a/src/build_options.rs
+++ b/src/build_options.rs
@@ -1279,8 +1279,17 @@ fn find_interpreter_in_sysconfig(
             .map(|c| c.is_ascii_digit())
             .unwrap_or(false)
         {
-            // Eg: -i 3.9 without interpreter kind, assume it's CPython
-            (InterpreterKind::CPython, &*python, "")
+            // Eg: -i 3.9 or 3.13t without interpreter kind, assume it's CPython
+            let (ver, abiflags) = if let Some(ver) = python
+                .strip_prefix('-')
+                .unwrap_or(&python)
+                .strip_suffix('t')
+            {
+                (ver, "t")
+            } else {
+                (&*python, "")
+            };
+            (InterpreterKind::CPython, ver, abiflags)
         } else {
             // if interpreter not known
             if std::path::Path::new(&python).is_file() {