attempt fix

Author: jadonduff

Modules/_threadmodule.c

@@ -79,7 +79,12 @@ static PF_SET_THREAD_DESCRIPTION pSetThreadDescription = NULL;
 #endif
 
 #if defined(HAVE_PTHREAD_SETNAME_NP) || defined(HAVE_PTHREAD_SET_NAME_NP)
-int _set_thread_name(const char *name);
+static int _set_thread_name(const char *name);
+#endif
+
+// Fallback: Provides a no-op implementation if neither pthread naming API is available. This avoids linker errors and provides a portable stub.
+#if !defined(HAVE_PTHREAD_SETNAME_NP) && !defined(HAVE_PTHREAD_SET_NAME_NP)
+static int _set_thread_name(const char *name) { return 0; }
 #endif
 
 
@@ -2582,7 +2587,7 @@ Set the name of the current thread.
 
 #ifndef MS_WINDOWS
 // Helper to set the thread name using platform-specific APIs (POSIX only)
-int
+static int
 _set_thread_name(const char *name)
 {
     int rc;
@@ -2695,38 +2700,6 @@ _thread_set_name_impl(PyObject *module, PyObject *name_obj)
 }
 #endif  // HAVE_PTHREAD_SETNAME_NP || HAVE_PTHREAD_SET_NAME_NP || MS_WINDOWS
 
-/* Fallback no-op implementation for builds that didn't compile the
- * platform-specific _set_thread_name. This prevents undefined-reference
- * linker errors on CI images that don't compile the native helper.
- */
-#if !defined(HAVE_PTHREAD_SETNAME_NP) && !defined(HAVE_PTHREAD_SET_NAME_NP) && !defined(MS_WINDOWS)
-static int
-_set_thread_name(const char *name)
-{
-    /* name is unused for the no-op fallback */
-    (void)name;
-    return 0;   /* indicate success (no-op) */
-}
-#endif
-
-/* Weak global fallback when the platform-specific helper isn't compiled.
- * On toolchains that support weak symbols (GCC/Clang), mark it weak so a
- * real strong implementation will override it. */
-#if !defined(HAVE_PTHREAD_SETNAME_NP) && !defined(HAVE_PTHREAD_SET_NAME_NP) && !defined(MS_WINDOWS)
-
-#if defined(__GNUC__) || defined(__clang__)
-int __attribute__((weak))
-_set_thread_name(const char *name)
-#else
-int
-_set_thread_name(const char *name)
-#endif
-{
-    (void)name;
-    return 0;
-}
-#endif
-
 
 static PyMethodDef thread_methods[] = {
     {"start_new_thread",        thread_PyThread_start_new_thread,