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Date:      Fri, 01 Aug 2014 08:32:41 -0400
From:      Daniel Morante <daniel@morante.net>
To:        freebsd-ports@freebsd.org
Subject:   Re: OPTIONS_REQUIRES
Message-ID:  <53DB88E9.4050809@morante.net>
In-Reply-To: <alpine.BSF.2.11.1407310936320.34015@wonkity.com>
References:  <alpine.BSF.2.11.1407310936320.34015@wonkity.com>

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I've recently had this issue .  The following forum post provides a=20
decent work around for the time being:
https://forums.freebsd.org/viewtopic.php?f=3D22&t=3D47412

Also consider the following case as well:

OPTIONS_GROUP=3D X11
OPTIONS_GROUP_X11=3D OPT1 QT4 QT5

I'd like to be able to allow choosing OPT1,  and either QT4 or QT5. I=20
tried doing this:

OPTIONS_RADIO=3D QTVERSION
OPTIONS_RADIO_QTVERSION=3D QT4 QT5
OPTIONS_GROUP=3D X11
OPTIONS_GROUP_X11=3D OPT1  QTVERSION

But that did not work.


On 7/31/2014 11:54 AM, Warren Block wrote:
> Right now, we have no standard method of making options depend on=20
> other options.  For example, many ports have an X11 option, and later=20
> options that require X11.  If the user disables X11 but chooses one of =

> the options that require it, the best case is that the port build=20
> stops with a message.  Worst case, it just stops.
>
> We need a way to make options depend on others.  This could be used in =

> the option configuration screen.  If the X11 option from the example=20
> is disabled, all the options that depend on it are also disabled. =20
> This could also be used for groups.
>
> Of course, it would also be evaluated after the configuration screen,=20
> stopping with an error message if the required dependencies are not set=
=2E
>
> Given that I don't know if this is a good way to name the variables,=20
> something like (from emulators/virtualbox-ose):
>
> OPTIONS_REQUIRES_X11=3D    QT4
>
> In the configuration screen, the QT4 option is disabled (grayed out)=20
> unless X11 is on.
>
> If QT4 is on but X11 is not (say, BATCH is used), the build stops with
>   option QT4 requires option X11
>
> Groups (single, radio, multi, group) could be made to depend on an=20
> option, too.  The only difference would be some tuning of the message=20
> to show the individual option names rather than the group name, which=20
> the user can't see.
> _______________________________________________
> freebsd-ports@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-ports
> To unsubscribe, send any mail to "freebsd-ports-unsubscribe@freebsd.org=
"
>



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