PKG_PROG_PKG_CONFIG
AC_USE_SYSTEM_EXTENSIONS
AC_CHECK_FUNCS_ONCE(accept4)
+AC_CHECK_TYPES([struct timespec, clockid_t], [], [], [[#include <time.h>]])
+AC_SEARCH_LIBS([clock_gettime], [rt posix4])
+AC_CHECK_FUNCS([clock_gettime])
# Check system type
case "$host_os" in
freebsd*)
build_target=freebsd
;;
-*)
+*)
;;
esac