Index: ChangeLog
===================================================================
--- ChangeLog
+++ ChangeLog
@@ -1,3 +1,7 @@
+2010-10-19  Peter Gerdes <gerdes@invariant.org>
+
+	* configure.ac: Add test to see if -lresolv needs to be added to DNSLIBS to enable DNS resolution on OS X
+
 2010-10-18  Werner Koch  <wk@g10code.com>
 
 	Release 1.4.11.
Index: configure.ac
===================================================================
--- configure.ac
+++ configure.ac
@@ -730,6 +730,17 @@
 [[unsigned char answer[PACKETSZ]; res_query("foo.bar",C_IN,T_A,answer,PACKETSZ); dn_skipname(0,0); dn_expand(0,0,0,0,0);]])],[have_resolver=yes ; need_compat=yes])
        AC_MSG_RESULT($have_resolver)
     fi
+    if test x"$have_resolver" != xyes ; then
+       AC_MSG_CHECKING([whether I can make the resolver usable by linking -lresolv])
+       LIBS="-lresolv $LIBS"
+       AC_LINK_IFELSE([AC_LANG_PROGRAM([#define BIND_8_COMPAT
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>],
+[[unsigned char answer[PACKETSZ]; res_query("foo.bar",C_IN,T_A,answer,PACKETSZ); dn_skipname(0,0); dn_expand(0,0,0,0,0);]])],[have_resolver=yes ; need_compat=yes])
+       AC_MSG_RESULT($have_resolver)
+    fi
   fi
 
   if test x"$have_resolver" = xyes ; then