diff -urN Python-2.4/Python/thread_pthread.h Python-2.4-vt/Python/thread_pthread.h
--- Python-2.4/Python/thread_pthread.h	Wed Jul  7 19:44:12 2004
+++ Python-2.4-vt/Python/thread_pthread.h	Wed Feb  9 10:15:21 2005
@@ -72,6 +72,8 @@
 	char             locked; /* 0=unlocked, 1=locked */
 	/* a <cond, mutex> pair to handle an acquire of a locked lock */
 	pthread_cond_t   lock_released;
+        char padding[36];       /* sizeof(pthread_cond_t) == 48 on newer 
+                                   systems (NPTL) */
 	pthread_mutex_t  mut;
 } pthread_lock;