local_make.sh

_make is a function
_make () 
{ 
    local cur prev words cword split;
    _init_completion -s || return;
    local file makef makef_dir=("-C" ".") makef_inc i;
    case $prev in 
        -f | --file | --makefile | -o | --old-file | --assume-old | -W | --what-if | --new-file | --assume-new)
            _filedir;
            return
        ;;
        -I | --include-dir | -C | --directory | -m)
            _filedir -d;
            return
        ;;
        -E)
            COMPREPLY=($( compgen -v -- "$cur" ));
            return
        ;;
        --eval | -D | -V | -x)
            return
        ;;
        --jobs | -j)
            COMPREPLY=($( compgen -W "{1..$(( $(_ncpus)*2 ))}" -- "$cur" ));
            return
        ;;
    esac;
    $split && return;
    if [[ "$cur" == -* ]]; then
        local opts="$( _parse_help "$1" )";
        [[ -n $opts ]] || opts="$( _parse_usage "$1" )";
        COMPREPLY=($( compgen -W "$opts" -- "$cur" ));
        [[ $COMPREPLY == *= ]] && compopt -o nospace;
    else
        if [[ $cur == *=* ]]; then
            prev=${cur%%=*};
            cur=${cur#*=};
            local diropt;
            [[ ${prev,,} == *dir?(ectory) ]] && diropt=-d;
            _filedir $diropt;
        else
            for ((i=0; i < ${#words[@]}; i++ ))
            do
                if [[ ${words[i]} == -@(C|-directory) ]]; then
                    eval makef_dir=(-C "${words[i+1]}");
                    break;
                fi;
            done;
            for ((i=0; i < ${#words[@]}; i++ ))
            do
                if [[ ${words[i]} == -@(f|-?(make)file) ]]; then
                    eval makef=(-f "${words[i+1]}");
                    break;
                fi;
            done;
            local mode=--;
            if (( COMP_TYPE != 9 )); then
                mode=-d;
            fi;
            local IFS=' 	
' script=$( _make_target_extract_script $mode "$cur" );
            COMPREPLY=($( LC_ALL=C             $1 -npq __BASH_MAKE_COMPLETION__=1                 "${makef[@]}" "${makef_dir[@]}" .DEFAULT 2>/dev/null |             command sed -ne "$script" ));
            if [[ $mode != -d ]]; then
                [[ $COMPREPLY == */ ]] && compopt -o nospace;
            fi;
        fi;
    fi
}