#!/bin/bash
#
# Copyright (c) 2004 Silicon Graphics, Inc.  All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
#
# Do a build using the IRIX TOOLROOT
# Use "-f" to force a configure.
#

error=false

# Do initial checks

# check have root/toolroot set
if [ -z "$TOOLROOT" ]; then
	echo "TOOLROOT needs to be set to a populated IRIX toolroot"
	error=true
fi 
if [ -z "$ROOT" ]; then
	echo "ROOT needs to be set to a populated IRIX root"
	error=true
fi 

# check we have c compiler license
if ! grep -iq '^feature cc' /var/flexlm/license.dat; then
	echo "Unable to find cc license for IRIX"
	echo "Get license: http://www.csd.sgi.com/prod/software/swl/keyrequest.html"
	error=true
fi

# check we have dev.sw.lib installed
# needed by ld32 even though we have $ROOT
if versions dev.sw.lib | grep -q dev.sw.lib; then
	:
else
	echo "dev.sw.lib is not installed"
	echo "Install from irix-6.5-development-libraries-1/dist"
	error=true
fi

# any check failures then exit out
$error && exit 1

# root/toolroot paths
fw_bin=$TOOLROOT/usr/freeware/bin
fw_tools=$TOOLROOT/usr/fw_tools
fw_share=$ROOT/usr/freeware/share
irix_bin=$TOOLROOT/usr/bin

# env vars
export AC_MACRODIR=$fw_share/autoconf
export M4=$irix_bin/gnum4
export CC=$irix_bin/cc
export LIBTOOL=$fw_bin/libtool
export MAKE=$fw_tools/gmake
export AWK=$irix_bin/nawk

# check all tools/files are in root/toolroot that we need
FILES="$AC_MACRODIR $M4 $CC $LIBTOOL $MAKE $fw_bin/aclocal $fw_bin/autoheader $fw_bin/autoconf"
for f in $FILES; do
	if [ ! -e $f ]; then
		echo "file $f not found in ROOT/TOOLROOT"
		error=true
	fi
done
$error && exit 1

# force a full configure
if [ $# -eq 1 ]; then
	if [ $1 = "-f" ]; then
		rm -f config.cache configure include/builddefs
		shift
	fi
fi

# --- do all the configure stuff using the toolroot paths ---

# aclocal.m4 is actually checked in - probably won't recreate it often
if [ ! -e aclocal.m4 ]; then
	set -x
	$fw_bin/aclocal --acdir=m4 --output=aclocal.m4
	set -
fi

if [ ! -e ./configure ]; then
	set -x
	$fw_bin/autoheader
	$fw_bin/autoconf
	set -
fi

if [ ! -e include/builddefs ]; then
	set -x
	./configure
	set -
fi

# Now call gmake with any args we were given
set -x
$MAKE $@
set -