dnl These headers are not essential
-AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h)
+AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h)
-AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime)
+AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit)
AC_REPLACE_FUNCS(strlcat strlcpy)
AC_CHECK_MEMBERS([struct timeval.tv_sec])