#!/bin/sh -e

HERE=$(dirname $(readlink -f ${0}))

LOGS=${HERE}/../logs
BINS=${HERE}/../output
OBJS=${HERE}/../build

CSUF=cross
NSUF=native

KALE="${PATH}"
MCMT=;

##
# Check whether target triple is specified.
#
test ${#} != 1 && printf "No target triple specified!\n" && exit 1;

##
# When 'MCMTOOLS' is specified, ensure it is valid (at first glance).
#
if ! test -z ${MCMTOOLS}; then
    MCMT="${MCMTOOLS%/}";
    fail=0;
    test -d "${MCMT}/sys/bin"  || fail=1;
    test -d "${MCMT}/host/bin" || fail=1;
    test -d "${MCMT}/musl/bin" || fail=1;
    test $fail -eq 1 && printf "Using 'MCMTOOLS=%s' is not valid.\n" "${MCMTOOLS}" && exit 1;
fi

mkdir -p ${LOGS} ${BINS}

# CROSS BUILD INSTALL
if ! test -z ${MCMT}; then
    export PATH="${MCMT}/sys/bin:${MCMT}/musl/bin";
else
    export PATH="${KALE}";
fi
[ -d ${BINS}/${1}-${CSUF} ] || make install \
    TARGET=${1} OUTPUT=${BINS}/${1}-${CSUF} \
    2>&1 | tee ${LOGS}/${1}-${CSUF}.log

# CROSS SCRATCH CLEANUP
rm -fr ${OBJS}/local/${1}

# CROSS PACKAGE
[ -h ${BINS}/${1}-${CSUF}/usr ] || (cd ${BINS}/${1}-${CSUF} && ln -s . usr)
[ -e ${BINS}/${1}-${CSUF}.tgz ] || (cd ${BINS} && tar pczf ${1}-${CSUF}.tgz ${1}-${CSUF})

# NATIVE BUILD INSTALL
if ! test -z ${MCMT}; then
    export PATH="${MCMT}/sys/bin:${MCMT}/host/bin:${BINS}/${1}-${CSUF}/bin";
else
    export PATH="${KALE}:${BINS}/${1}-${CSUF}/bin";
fi
if [ -d ${BINS}/${1}-${CSUF} ]; then
    [ -d ${BINS}/${1}-${NSUF} ] || make install NATIVE=1 \
        TARGET=${1} CROSS_COMPILE=${1}- OUTPUT=${BINS}/${1}-${NSUF} \
        2>&1 | tee ${LOGS}/${1}-${NSUF}.log
fi;

# CROSS DIRECTORY CLEANUP (if native fails, this remains)
rm -fr ${BINS}/${1}-${CSUF};

# NATIVE PACKAGE
[ -h ${BINS}/${1}-${NSUF}/usr ] || (cd ${BINS}/${1}-${NSUF} && ln -s . usr)
[ -e ${BINS}/${1}-${NSUF}.tgz ] || (cd ${BINS} && tar pczf ${1}-${NSUF}.tgz ${1}-${NSUF});

# NATIVE SCRATCH CLEANUP
rm -fr ${OBJS}/${1}

# NATIVE DIRECTORY CLEANUP
rm -fr ${BINS}/${1}-${NSUF};