Extracted from https://dev.gentoo.org/~grobian/distfiles/python-prefix-gentoo-3.9.6_p1-patches-r0.tar.xz
for use in the bootstrap-prefix.sh script.

# HG changeset patch
# User Fabian Groffen <fabian@bitzolder.nl>
# Date 1629020477 -7200
#      Sun Aug 15 11:41:17 2021 +0200
# Node ID 86464afaa887fbf0d067f27cc2bb2266937624ca
# Parent  204652442cff1fc29091ff233a1333c016fe7a7c
imported patch 07_all_darwin9_pthreadid.patch

diff -r 204652442cff -r 86464afaa887 Python/thread_pthread.h
--- a/Python/thread_pthread.h	Sun Aug 15 11:41:16 2021 +0200
+++ b/Python/thread_pthread.h	Sun Aug 15 11:41:17 2021 +0200
@@ -331,7 +331,17 @@ PyThread_get_thread_native_id(void)
         PyThread_init_thread();
 #ifdef __APPLE__
     uint64_t native_id;
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 1060
+    native_id = pthread_mach_thread_np(pthread_self());
+#elif MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+    if (&pthread_threadid_np) {
+        (void) pthread_threadid_np(NULL, &native_id);
+    } else {
+        native_id = pthread_mach_thread_np(pthread_self());
+    }
+#else
     (void) pthread_threadid_np(NULL, &native_id);
+#endif
 #elif defined(__linux__)
     pid_t native_id;
     native_id = syscall(SYS_gettid);