#!/bin/bash

EZM3_VER=1.1
cd /usr/local/src/ezm3
source ./scripts/arch || exit 1
source ./scripts/helper-funcs || exit 1
ROOT=/usr/local/src/ezm3/root/${ARCH}
mkdir -p ${ARCH}
cd ${ARCH}
LOG=${PWD}/log

##########
# Unpack/setup the appropriate sources
##########
status "Unpacking ezm3-${EZM3_VER} source"
rm -rf ezm3-${EZM3_VER} ${ROOT}
tar -jxf /usr/portage/distfiles/ezm3-${EZM3_VER}-src.tar.bz2
status "Unpacking ezm3 bootstrap for ${HOST}"
tar -jxf /usr/portage/distfiles/ezm3-${EZM3_VER}-${HOST}-boot.tar.bz2
cd ezm3-${EZM3_VER}

status "Adding support for ${ARCH}"
patch -p1 < ../../patches/cross.patch >& ${LOG} || die "patch failed"

##########
# Fix configuration files for our linux setup
##########
sed -i "s:/usr/local:${ROOT}:" m3config/src/${HOST}
echo 'M3CC_MAKE = ["make", "BISON=yacc"]' >> m3config/src/${HOST}
sed -i \
	-e "s:/usr/local:${ROOT}:" \
	-e "s:touch:ranlib:" \
	-e "s:import_X11():import_X11() is\nend\nproc dont_import_X11():" \
	-e "s:import_OpenGL():import_OpenGL() is\nend\nproc dont_import_OpenGL():" \
	m3config/src/COMMON

##########
# Build the compiler
##########
status "Building cross-compile capable toolkit [boot]"
make boot >& ${LOG} || die "failed to build boot"

status "Building cross-compile capable toolkit [packages]"
(
make packages >& ${LOG} \
	&& echo yes > status \
	|| echo no  > status
) &
touch ${LOG}

last=""
while [ ! -e status ] ; do
	this="`grep ^---------- ${LOG} | tail -n 1 | sed 's:----------::g'`"
	if [ "${this}" != "${last}" ] ; then
		last="${this}"
		status "${last}"
	fi
	sleep 1
done

if [ "$(<status)" == "yes" ] ; then
	echo
	status "All done building cross-compile toolkit for ${ARCH} !"
else
	cat ${LOG}
	die "failed to build :("
fi