ACLOCAL_PATH patch?

[Harlan Stenn]

The mpkg folks apply a patch to automake to allow it to support
ACLOCAL_PATH.

This is most useful for places that want to support multiple versions of 
libtool and keep the libtool installation independent of any installed
versions of automake.

I don't have easy access to any of my CVS automake repos; has this patch
been applied already?  If not, could it be applied?

The patch is:

--- aclocal.in.old      Tue Jul 17 07:36:23 2001
+++ aclocal.in          Tue Aug 28 22:19:34 2001
@@ -206,6 +206,9 @@
        exit 0;
     }
 
+    # Add directories from ACLOCAL_PATH
+    push @dirlist, split ':', $ENV{ACLOCAL_PATH};
+
     # Search our install directory last.
     push (@dirlist, $acdir);