From 5c414c02ca3c011834f8dab40d428889b2f969ca Mon Sep 17 00:00:00 2001
From: David Hewitt <mail@davidhewitt.dev>
Date: Tue, 26 Nov 2024 20:10:53 +0000
Subject: [PATCH 1/2] don't link to abi3 dll on windows for free-threaded build

---
 pyo3-build-config/src/impl_.rs | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/pyo3-build-config/src/impl_.rs b/pyo3-build-config/src/impl_.rs
index 4e5d3c10656..4f1581820d7 100644
--- a/pyo3-build-config/src/impl_.rs
+++ b/pyo3-build-config/src/impl_.rs
@@ -1653,7 +1653,7 @@ fn default_lib_name_windows(
         // CPython bug: linking against python3_d.dll raises error
         // https://github.com/python/cpython/issues/101614
         Ok(format!("python{}{}_d", version.major, version.minor))
-    } else if abi3 && !(implementation.is_pypy() || implementation.is_graalpy()) {
+    } else if abi3 && !(gil_disabled || implementation.is_pypy() || implementation.is_graalpy()) {
         if debug {
             Ok(WINDOWS_ABI3_DEBUG_LIB_NAME.to_owned())
         } else {
@@ -2548,6 +2548,21 @@ mod tests {
             .unwrap(),
             "python313t",
         );
+        assert_eq!(
+            super::default_lib_name_windows(
+                PythonVersion {
+                    major: 3,
+                    minor: 13
+                },
+                CPython,
+                true, // abi3 true should not affect the free-threaded lib name
+                false,
+                false,
+                true,
+            )
+            .unwrap(),
+            "python313t",
+        );
         assert_eq!(
             super::default_lib_name_windows(
                 PythonVersion {

From 1bd1dbbe3e69d53905ee069675616b1302f9a52d Mon Sep 17 00:00:00 2001
From: David Hewitt <mail@davidhewitt.dev>
Date: Fri, 29 Nov 2024 11:55:46 +0000
Subject: [PATCH 2/2] newsfragment

---
 newsfragments/4733.fixed.md | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 newsfragments/4733.fixed.md

diff --git a/newsfragments/4733.fixed.md b/newsfragments/4733.fixed.md
new file mode 100644
index 00000000000..bcf3dbad823
--- /dev/null
+++ b/newsfragments/4733.fixed.md
@@ -0,0 +1 @@
+Fix unresolved symbol link failures (due to linking to wrong DLL) when compiling for Python 3.13t with `abi3` features enabled.