File autogen.sh from the latest check-in

#!/bin/sh
# FILE: autogen.sh
# $Id$
# ---
# tclreadline -- gnu readline for tcl
# http://www.zellner.org/tclreadline/
# Copyright (c) 1998 - 2014, Johannes Zellner <johannes@zellner.org>
# This software is copyright under the BSD license.
# ---

srcdir=`dirname $0`
test -z "$srcdir" && srcdir=.

ORIGDIR=`pwd`
cd $srcdir
PROJECT=tclreadline
TEST_TYPE=-f
FILE=tclreadline.c

DIE=0

(autoconf --version) < /dev/null > /dev/null 2>&1 || {
    echo
    echo "You must have autoconf installed to compile $PROJECT."
    echo "Download the appropriate package for your distribution,"
    echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
    DIE=1
}

(automake --version) < /dev/null > /dev/null 2>&1 || {
    echo
    echo "You must have automake installed to compile $PROJECT."
    echo "Get ftp://sourceware.cygnus.com/pub/automake/automake-1.4.tar.gz"
    echo "(or a newer version if it is available)"
    DIE=1
}

if test "$DIE" -eq 1; then
    exit 1
fi

test $TEST_TYPE $FILE || {
    echo "You must run this script in the top-level $PROJECT directory"
    exit 1
}

if test -z "$*"; then
    echo "I am going to run ./configure with no arguments - if you wish "
    echo "to pass any to it, please specify them on the $0 command line."
fi

case $CC in
    *xlc | *xlc\ * | *lcc | *lcc\ *)
        am_opt=--include-deps
        ;;
esac

aclocal $ACLOCAL_FLAGS

# optionally feature autoheader
(autoheader --version)  < /dev/null > /dev/null 2>&1 && autoheader

automake -a $am_opt
autoconf
cd $ORIGDIR

$srcdir/configure --enable-maintainer-mode "$@"