#!/bin/sh

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

LIST=${HERE}/triples.txt
CFGS=${HERE}/../sources/config.sub

##
# 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

export MCMTOOLS="${MCMT}";

##
# WARNING: YOU MUST BE INSANE TO USE A VALUE GREATER THAN 1 HERE.
# This means: "Run N jobs, each job with M threads" where M is 'nproc'.
# Why? Useful for bruteforcing toolchain builds and keeping CPU busy.
# You may destroy an SSD with too high of a value. Use a ramdisk only.
#
JOBS=6;

if ! test -z ${MCMTOOLS}; then
    export PATH="${MCMT}/sys/bin";
fi
make extract_all;
grep -v ^# "${LIST}" | parallel --eta --bar --progress --plain -j${JOBS} -a - "${HERE}/build";