AC_CHECK_FUNCS([ \
clock_gettime\
+ copy_file_range \
epoll_create \
epoll_pwait \
klogctl \
mkdir \
mremap \
ppoll \
+ preadv \
+ preadv2 \
+ process_vm_readv \
+ process_vm_writev \
pthread_barrier_init \
pthread_condattr_setclock \
pthread_mutex_timedlock \
pthread_rwlock_timedrdlock \
pthread_rwlock_timedwrlock \
+ pthread_setname_np \
pthread_spin_lock \
pthread_yield \
- pthread_setname_np \
+ pwritev \
+ pwritev2 \
readlinkat \
semtimedop \
signalfd \
swapcontext \
syscall \
utimensat \
- process_vm_readv \
- process_vm_writev \
- copy_file_range \
- preadv \
- pwritev \
- preadv2 \
- pwritev2 \
])
# AC_CHECK_LIB adds any library found to the variable LIBS, and links these