--if test -z "$no_libsocket" ; then
-- AC_CHECK_LIB(nsl, yp_match, , )
--fi
- if test -z "$no_libnsl" ; then
- AC_CHECK_LIB(socket, main, , )
- fi
+ # Checks for libraries.
+-AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
+ AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
+
+ dnl SCO OS3 needs this for libwrap