Re: [gentoo-dev] portage prize winners

[Aron Griffis]

splite-gentoo@××××××××××××××××.edu wrote:	[Thu Jun 03 2004, 09:59:37AM EDT]
> On Wed, Jun 02, 2004 at 09:28:17PM -0400, Aron Griffis wrote:
> > Doing some maintenance on the tree, found some real prize winning
> > brokenness.  Here's just a taste...
> >
> >     use python && use ppc || myconf="$myconf --with-python"
>
> What's wrong with this?  It's just a succinct way of saying:
>
> 	if use python && ! use ppc; then
> 		myconf="$myconf --with-python"
> 	fi

I'm glad you asked!  It's actually a succinct way of saying:

    if ! use python || ! use ppc; then
        myconf="$myconf --with-python"
    fi

Try these on the bash command-line:

    true && false || echo borken
    false && true || echo borken

If you're still confused by this, or think I'm wrong, let me know and
I'll explain further.  The BEST would be the following, which
explicitly disables python instead of leaving it to be determined by
configure.

    if use ppc; then
        myconf="$myconf --without-python"
    else
        myconf="$myconf $(use_with python)"
    fi

Regards,
Aron

--
Aron Griffis
Gentoo Linux Developer