# recvmmsg() (valgrind doesn't support it, so disable for debugging)
# The check for struct mmsghdr is required when libc doesn't have an API but the function links
AC_ARG_ENABLE([recvmmsg],
AS_HELP_STRING([--enable-recvmmsg=yes|no], [enable recvmmsg() network API under Linux (kernel support required) (set to 'no' if you have trouble running server under valgrind) [default=yes]]),
List key IDs and tags of zone keys. The \fBfilter\fP can be a key tag, a key ID prefix, a key state (active, published, retired, removed) or ksk/zsk. Key state and ksk/zsk combination is possible.
Use these key state and ksk/zsk with prefix \(aq+\(aq (\(aq+ksk\(aq, \(aq+active\(aq).