AC_CHECK_HEADERS( sys/event.h )
if test "${ac_cv_header_sys_event_h}" = yes; then
AC_MSG_CHECKING(for kqueue system call)
-AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int argc, char *argv)
+AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int argc, char **argv)
{
int kqfd = kqueue();
exit (kqfd == -1 ? 1 : 0);