--- libguile/pthread-threads.h 2008-02-27 10:31:41.564950412 -0600 +++ libguile/pthread-threads.h 2008-02-27 10:36:08.383652510 -0600 @@ -26,6 +26,9 @@ */ #include <pthread.h> +#if HAVE_PTHREAD_NP_H +# include <pthread_np.h> +#endif #include <sched.h> /* Threads