-AC_PROG_CC
-AC_ISC_POSIX
-AC_PROG_INSTALL
-AC_PROG_MAKE_SET
-AC_PROG_RANLIB
-
-AC_CHECK_HEADERS(sys/select.h libgen.h)
-
-AC_CHECK_LIB(nsl, gethostbyname)
-AC_CHECK_LIB(socket, socket)
-
-AC_CHECK_FUNCS(strtoul memmove getaddrinfo)
-AC_CHECK_FUNC(getopt_long,,[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
-AC_REPLACE_FUNCS(basename)