TARGET_ARCH=arm
elif [[ ${LOCAL_ARCH} == s390x ]]; then
    TARGET_ARCH=s390x
elif [[ ${LOCAL_ARCH} == ppc64le ]]; then
    TARGET_ARCH=ppc64le
else
    echo "This system's architecture, ${LOCAL_ARCH}, isn't supported"
    exit 1
fi

LOCAL_OS=$(uname)

# Pass environment set target operating-system to build system
if [[ ${TARGET_OS} ]]; then
    # Target explicitly set
    :
elif [[ $LOCAL_OS == Linux ]]; then