diff -Naur libftdi-0.20-old/configure.in libftdi-0.20-new/configure.in
--- libftdi-0.20-old/configure.in	2012-03-19 04:20:56.000000000 -0700
+++ libftdi-0.20-new/configure.in	2012-12-31 04:49:04.000000000 -0800
@@ -1,6 +1,6 @@
 AC_INIT(libftdi, 0.20)
 AM_INIT_AUTOMAKE
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 AC_LANG_C
 AC_PROG_CC
