kc3-lang/gnulib

2020-07-01T22:52:41

pthread-spin: Add optimized fallback for GCC versions >= 4.1, < 4.7. * lib/pthread-spin.c (pthread_spin_init, pthread_spin_lock, pthread_spin_trylock, pthread_spin_unlock): For GCC >= 4.1, < 4.7, use an implementation based on other GCC built-ins.