#!/bin/sh

check_for_app() {
	$1 --version 2>&1 >/dev/null
	if [ $? != 0 ]
	then
		echo "Please install $1 and run bootstrap.sh again!"
		exit 1
	fi
}

# On FreeBSD and OpenBSD, multiple autoconf/automake versions have different names.
# On Linux, environment variables tell which one to use.

case `uname -sr` in
	'FreeBSD 4'*)	# FreeBSD 4.x has a different naming
		MY_AC_VER=259
		MY_AM_VER=19
		;;
	*'BSD'*)
		MY_AC_VER=-2.62
		MY_AM_VER=-1.9
		;;
	*'SunOS '*)
		MY_AC_VER=
		MY_AM_VER=-1.9
		;;
	*)
		MY_AC_VER=
		MY_AM_VER=
		AUTOCONF_VERSION=2.60
		AUTOMAKE_VERSION=1.9
		export AUTOCONF_VERSION
		export AUTOMAKE_VERSION
		;;
esac

check_for_app autoconf${MY_AC_VER}
check_for_app autoheader${MY_AC_VER}
check_for_app automake${MY_AM_VER}
check_for_app aclocal${MY_AM_VER}

echo "Generating the configure script ..."

aclocal${MY_AM_VER} -I autoconf
autoconf${MY_AC_VER}
autoheader${MY_AC_VER}
automake${MY_AM_VER} --add-missing --copy 2>/dev/null

exit 0