diff --git a/configure b/configure
index 68c8612c..74a5408a 100755
--- a/configure
+++ b/configure
@@ -11634,6 +11634,61 @@ echo "${ECHO_T}no" >&6; }
 	fi
 fi
 
+# rpath, for finding libratbox.so at run time
+hold_ldflags=$LDFLAGS
+{ echo "$as_me:$LINENO: checking for the ld -rpath flag" >&5
+echo $ECHO_N "checking for the ld -rpath flag... $ECHO_C" >&6; }
+LDFLAGS="${LDFLAGS} -Wl,-rpath=${libdir}"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+int i;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  found=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	found=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LDFLAGS=$hold_ldflags
+{ echo "$as_me:$LINENO: result: $found" >&5
+echo "${ECHO_T}$found" >&6; }
+if test "$found" = yes; then
+	LDFLAGS="${LDFLAGS} -Wl,-rpath=\${libdir}"
+fi
+
 # This must be down here, or it will mess up checks like the ones
 # for -Wl,-export-dynamic
 # -- jilles