diff --git a/acinclude.m4 b/acinclude.m4
index a5d147ed741248f99727895baa40b6ab0a34c0dc..a00f673a10604a0c5545b7fec54a621f96661f3e 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -577,7 +577,7 @@ AC_DEFUN([AST_PROG_LD],
 	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
     [test "$withval" = no || with_gnu_ld=yes],
     [with_gnu_ld=no])
-AC_REQUIRE([AC_PROG_SED])dnl
+AC_REQUIRE([AST_PROG_SED])dnl
 AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
@@ -682,4 +682,25 @@ m4_ifndef([AST_PROG_EGREP], [AC_DEFUN([AST_PROG_EGREP],
  AC_SUBST([EGREP])
 ])]) # AST_PROG_EGREP
 
+# AST_PROG_SED
+# -----------
+# Check for a fully functional sed program that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+AC_DEFUN([AST_PROG_SED],
+[AC_CACHE_CHECK([for a sed that does not truncate output], ac_cv_path_SED,
+    [dnl ac_script should not contain more than 99 commands (for HP-UX sed),
+     dnl but more than about 7000 bytes, to catch a limit in Solaris 8 /usr/ucb/sed.
+     ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" | sed 99q >conftest.sed
+     $as_unset ac_script || ac_script=
+     _AC_PATH_PROG_FEATURE_CHECK(SED, [sed gsed],
+	[_AC_FEATURE_CHECK_LENGTH([ac_path_SED], [ac_cv_path_SED],
+		["$ac_path_SED" -f conftest.sed])])])
+ SED="$ac_cv_path_SED"
+ AC_SUBST([SED])dnl
+ rm -f conftest.sed
+])# AST_PROG_SED
 
diff --git a/configure b/configure
index 7aeb120433e506498321e7b00bbf0100cf7baca6..d3ab2efb9476ae9f111ff410273ab8c835a84faa 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 47305 .
+# From configure.ac Revision: 47328 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.60a.
 #