Source
--- configure.ac.orig 2000-12-07 18:45:45.000000000 -0600
+++ configure.ac 2013-02-12 01:56:30.000000000 -0600
dnl This software is copyright under the BSD license.
AC_INIT(tclreadline.c)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
AC_PREREQ(2.13)
AC_REVISION($Revision: 2.26 $)
AC_CONFIG_AUX_DIR(./aux)