#!/bin/sh

# Check for proper versions of autotools
# We require:
#  - autoconf 2.50+
#  - automake 1.4+
#  - libtool 1.4+
#
## Using prereq in autoconf rather than here, mostly for the debian systems at
## this point
if test -z "`autoconf --version 2>&1|head -n 1|egrep '2.[56]'`"; then
	echo "Autoconf 2.50+ is required. Aborting build...";
    exit 1;
fi

if test -z "`automake --version 2>&1|head -n 1|egrep '1.([4-9]|10)'`"; then
	echo "Automake 1.4+ is required. Aborting build...";
	exit 1;
fi

if test -z "`libtool --version 2>&1|head -n 1|egrep '1.[45]'`"; then
	echo "Libtool 1.4+ is required. Aborting build...";
	exit 1;
fi

# Fire up autotools
libtoolize --force && aclocal $ACLOCAL_FLAGS && autoheader && automake --include-deps --add-missing && autoconf