compile_waf() {
    local binary='waf'

    local OPTIND=1
    local opt
    while getopts "b:" opt; do case "$opt" in
        b) local binary="$OPTARG" ;;
    esac; done
    shift $((OPTIND-1))

    $binary configure build install \
        --prefix="/$dir_prefix" \
        --bindir="/$dir_prefix/$dir_bindir" \
        --libdir="/$dir_prefix/$dir_libdir" \
        --destdir="$dir_install" \
        $WAFFLAGS $@
}