diff -urN libspf2-1.0.4.org/configure.ac libspf2-1.0.4/configure.ac
--- libspf2-1.0.4.org/configure.ac	2004-07-28 22:42:48.515708512 +0200
+++ libspf2-1.0.4/configure.ac	2004-07-28 22:56:08.559083432 +0200
@@ -94,14 +94,14 @@
                 [AC_CHECK_LIB([resolv],
                         [res_query],
                         [LIBS="$LIBS -lresolv"],
-                        [echo "cannot find resolver library"; exit 1;])
+			[AC_CHECK_LIB([resolv],[__res_query],[LIBS="$LIBS -lresolv"],[echo "cannot find resolver library"; exit 1;])])
                 ])
-        ], [AC_CHECK_LIB(resolv, res_query)])
+        ], [AC_CHECK_LIB(resolv, res_query,[LIBS="$LIBS -lresolv"],[AC_CHECK_LIB(resolv, __res_query)])])
 
 # Checks for libraries.
-AC_CHECK_LIB(nsl, inet_pton)
-AC_CHECK_LIB(socket, socket)
-AC_CHECK_LIB(intl, gettext)
+AC_SEARCH_LIBS(nsl, inet_pton)
+AC_SEARCH_LIBS(socket, socket)
+AC_SEARCH_LIBS(intl, gettext)