---- a/configure
-+++ b/configure
-@@ -16606,7 +16606,6 @@ if ac_fn_c_try_link "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
- $as_echo "yes" >&6; }
-
--$as_echo "#define HAVE_RES_NINIT 1" >>confdefs.h
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing res_9_ndestroy" >&5
- $as_echo_n "checking for library containing res_9_ndestroy... " >&6; }
+--- a/configure.ac
++++ b/configure.ac
+@@ -1110,7 +1110,6 @@ AC_LINK_IFELSE(
+ #include <resolv.h>],
+ [int foo = res_ninit(NULL);])],
+ AC_MSG_RESULT(yes)
+- AC_DEFINE([HAVE_RES_NINIT], 1, [Define to 1 if your system has the re-entrant resolver functions.])
+ AC_SEARCH_LIBS(res_9_ndestroy, resolv)
+ AC_MSG_CHECKING(for res_ndestroy)
+ AC_LINK_IFELSE(