# Pass PREFIX as argument. If not passed, "local/" is used as deafult.

# Exit on errors
set -e

SCRIPT_DIR=$(dirname "$0")
PREFIX=$1

# Get Absolute Paths & Setup

SCRIPT_DIR=$(dirname "$0")
pushd "${SCRIPT_DIR}"
    SCRIPT_DIR=$(pwd)
popd
if [ "${PREFIX}" = "" ]; then
    PREFIX="${SCRIPT_DIR}/local"
fi
mkdir -p "${PREFIX}"
pushd "${PREFIX}"
    PREFIX=$(pwd)
popd

TMP_DIR="${SCRIPT_DIR}/tmp"
mkdir -p "${TMP_DIR}"

if [ -f "${PREFIX}/bin/asn1c" ]; then
    echo "lib exists already in ${LIB_DIR}. If you want to rebuild it, delete the existing one."
    exit 0
fi

# ASN1c executable
ASN1_DIR="${TMP_DIR}/asn1c"
if [ ! -d "${ASN1_DIR}" ]; then
    pushd "${TMP_DIR}"
        git clone -b "v0.9.28" git://github.com/vlm/asn1c.git
    popd
fi

pushd ${ASN1_DIR}
    autoreconf -iv
    ./configure --prefix=${PREFIX}
    make -j4 install
popd