# bash completion for configure                            -*- shell-script -*-

_configure()
{
    local cur prev words cword split
    _init_completion -s || return

    case $prev in
        -h | --help | -V | --version | --program-prefix | --program-suffix | \
            --program-transform-name)
            return
            ;;
        --*file)
            _filedir
            return
            ;;
        --*prefix | --*dir)
            _filedir -d
            return
            ;;
    esac

    $split && return

    # if $COMP_CONFIGURE_HINTS is not null, then completions of the form
    # --option=SETTING will include 'SETTING' as a contextual hint
    [[ $cur != -* ]] && return

    if [[ ${COMP_CONFIGURE_HINTS-} ]]; then
        COMPREPLY=($(compgen -W "$($1 --help 2>&1 |
            awk '/^  --[A-Za-z]/ { print $1; \
            if ($2 ~ /--[A-Za-z]/) print $2 }' | command sed -e 's/[[,].*//g')" \
            -- "$cur"))
        [[ ${COMPREPLY-} == *=* ]] && compopt -o nospace
    else
        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
    fi
} &&
    complete -F _configure configure

# ex: filetype=sh