Index: squid-3.1.4/configure.in
===================================================================
--- squid-3.1.4.orig/configure.in	2010-07-07 12:20:47.000000000 +0400
+++ squid-3.1.4/configure.in	2010-07-07 12:23:17.000000000 +0400
@@ -79,7 +79,8 @@
     top_build_prefix=${ac_top_build_prefix}
     AC_SUBST(top_build_prefix)
 
-    AC_LIBLTDL_CONVENIENCE
+    LT_CONFIG_LTDL_DIR(libltdl)
+    LTDL_INIT(convenience)
 fi
 AC_PROG_LIBTOOL
 AC_LTDL_DLLIB
@@ -3965,6 +3966,6 @@
 AC_CONFIG_SUBDIRS(lib/libTrie)
 
 # must configure libltdl subdir unconditionally for "make distcheck" to work
-AC_CONFIG_SUBDIRS(libltdl)
+# AC_CONFIG_SUBDIRS(libltdl)
 
 AC_OUTPUT