Index: lib/autoconf/general.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/autoconf/general.m4,v
retrieving revision 1.797
diff -u -p -r1.797 general.m4
--- lib/autoconf/general.m4	25 Apr 2002 08:54:47 -0000	1.797
+++ lib/autoconf/general.m4	13 May 2002 21:09:00 -0000
@@ -1640,6 +1640,7 @@ _AC_CANONICAL_SPLIT([target])
 # The aliases save the names the user supplied, while $host etc.
 # will get canonicalized.
 test -n "$target_alias" &&
+  test "$host$build$target" != "$target$target$target" &&
   test "$program_prefix$program_suffix$program_transform_name" = \
     NONENONEs,x,x, &&
   program_prefix=${target_alias}-[]dnl