1--- src/threads.h.orig 2009-08-30 05:03:26.000000000 -0400 2+++ src/threads.h 2009-12-25 12:41:53.000000000 -0500 3@@ -23,6 +23,7 @@ 4 #define __THREADS_H__ 5 6 #include <unistd.h> 7+#include <pthread.h> 8 9 /* FIXME: mailbox_lock is really an internal libbalsa mutex. */ 10 extern pthread_mutex_t mailbox_lock; 11 12