I mean autoconf 2.53. There is no such thing as autoconf 2.54.

578c2ef4 · Per Cederqvist · 175119f6 · 578c2ef4
Commit 578c2ef4 authored Aug 13, 2002 by Per Cederqvist
--- a/HACKING
+++ b/HACKING
@@ -22,10 +22,10 @@ Automake 1.6.3
 Automake 1.6.3 is recommended.  1.5 might be good enough.


-Autoconf 2.54
+Autoconf 2.53
 --------

-Autoconf 2.54 is recommended.  2.52 might be good enough.
+Autoconf 2.53 is recommended.  2.52 might be good enough.


 Perl 5.6.1