diff -urN openssh-3.0p1.orig/configure.ac openssh-3.0p1/configure.ac
--- openssh-3.0p1.orig/configure.ac	Sat Nov  3 20:09:33 2001
+++ openssh-3.0p1/configure.ac	Wed Nov  7 16:22:54 2001
@@ -123,6 +123,8 @@
 	AC_DEFINE(LOCKED_PASSWD_PREFIX, "!!")
 	AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
 	inet6_default_4in6=yes
+	no_libnsl=1
+	no_libsocket=1
 	case `uname -r` in
 	1.*|2.0.*)
 		AC_DEFINE(BROKEN_CMSG_TYPE)
--- openssh-5.9p1/configure.ac~	2011-09-06 19:01:09.000000000 +0200
+++ openssh-5.9p1/configure.ac	2011-09-06 19:02:14.816070290 +0200
@@ -972,7 +972,6 @@
 
 dnl Checks for header files.
 # Checks for libraries.
-AC_CHECK_FUNC([yp_match], , [AC_CHECK_LIB([nsl], [yp_match])])
 AC_CHECK_FUNC([setsockopt], , [AC_CHECK_LIB([socket], [setsockopt])])
 
 dnl IRIX and Solaris 2.5.1 have dirname() in libgen