--- orig.Makefile.in	2007-02-06 12:11:44.000000000 +0000
+++ Makefile.in	2007-02-06 12:16:01.000000000 +0000
@@ -49,7 +49,7 @@
 
 # Directory in which to install library files.
 datadir = @datadir@
-acdatadir = $(datadir)/autoconf
+acdatadir = $(datadir)/autoconf-2.13
 
 # Directory in which to install documentation info files.
 infodir = @infodir@

.