--- TSRM/threads.m4.orig 2013-12-10 23:31:06.000000000 +0000 +++ TSRM/threads.m4 2013-12-13 21:50:24.898258559 +0000 @@ -79,7 +79,7 @@ int main() { pthread_mutexattr_t mattr; int data = 1; pthread_mutexattr_init(&mattr); - return pthread_create(&thd, NULL, thread_routine, &data); + return 0; } ], [ pthreads_working=yes ], [