#!/bin/sh

# stolderdized from Ogre3D (www.ogre3d.org)

# Check for proper versions of autotools
# We require:
#  - autoconf 2.50+
#  - automake 1.7+
#  - libtool 1.4+

# Touch revision.m4
if [ -f ./update_revision.sh ]; then
	./update_revision.sh;
elif [ ! -f ./revision.m4 ]; then
	echo "m4_define([SVN_REVISION], trunk-r0)" > ./revision.m4;
fi

# Deal with some gentoo-specific issues
export WANT_AUTOMAKE='1.7'
export WANT_AUTOCONF='2.5'

## 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 '2.6'`"; then
	echo "Autoconf 2.50 or above is required. Aborting build...";
    exit 1;
fi

if test -z "`automake --version 2>&1|head -n 1|egrep '1.[7-9]'`"; then
	echo "Automake 1.7 or above is required. Aborting build...";
	exit 1;
fi

if test -z "`libtool --version 2>&1|head -n 1|egrep '1.[4-5]'`"; then
	echo "Libtool 1.4 or above is required. Aborting build...";
	exit 1;
fi

# clean up files which cause confusion when switch versions of auto*
rm -rf autom4te.cache

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