comp_include _get_cword


_configure_func()
{
    local cur

    COMPREPLY=()
    cur=`_get_cword`

    # if $COMP_CONFIGURE_HINTS is not null, then completions of the form
    # --option=SETTING will include 'SETTING' as a contextual hint
    [[ "$cur" != -* ]] && return 0

    if [ -n "$COMP_CONFIGURE_HINTS" ]; then
        COMPREPLY=( $( $1 --help | awk '/^  --[A-Za-z]/ { print $1; if ($2 ~ /--[A-Za-z]/) print $2 }' | sed -e 's/[[,].*//g' | grep ^$cur ) )

    else
        COMPREPLY=( $( $1 --help | awk '/^  --[A-Za-z]/ { print $1; if ($2 ~ /--[A-Za-z]/) print $2 }' | sed -e 's/[[,=].*//g' | grep ^$cur ) )
    fi
} # _configure_func()

comp_install -F _configure_func  # Make completion persistent for subsequent invocations

_configure_func  # Generate completions for first invocation