--- bind-9.4.2-P1/contrib/queryperf/configure.in.libresolv.droplet	2007-05-20 21:24:56.000000000 -0400
+++ bind-9.4.2-P1/contrib/queryperf/configure.in	2008-07-08 18:16:14.000000000 -0400
@@ -17,7 +17,7 @@
 
 AC_INIT(queryperf.c)
 
-AC_PREREQ(2.13)
+AC_PREREQ(2.53)
 
 AC_PROG_CC
 
@@ -52,8 +52,19 @@ AC_DEFUN(AC_SA_LEN,
 ])
 
 AC_CONFIG_HEADERS(config.h)
-AC_SEARCH_LIBS(res_mkquery, resolv bind)
-AC_SEARCH_LIBS(__res_mkquery, resolv bind)
+AC_CACHE_CHECK([whether your system has res_mkquery()], ac_cv_have_res_mkquery, [
+saved_LIBS="$LIBS"
+LIBS="$LIBS -lresolv"
+AC_TRY_LINK(
+[#include <resolv.h>],
+[res_mkquery(0, NULL, 0, 0, NULL, 0, NULL, NULL, 0);],
+[ac_cv_have_res_mkquery=yes], [
+LIBS="$saved_LIBS"
+AC_SEARCH_LIBS(res_mkquery, [resolv bind],
+[ac_cv_have_res_mkquery=yes],
+[ac_cv_have_res_mkquery=no])
+])
+])
 AC_CHECK_LIB(socket, socket)
 AC_CHECK_LIB(nsl, inet_ntoa)
 AC_CHECK_FUNCS(gethostbyname2)