Re: options handling when there are LOTS of options

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Wed, 20 Jan 2010 17:03:50 -0600
"Larson, Timothy E." <TELarson%west.com@localhost> wrote:

> Is there a way to make package options take a value, rather than simple 
> binary (present/nonpresent) switches?  I've got a package with over 40 
> possible drivers. I think it would be a lot easier to take a comma-delimited 
> string and pass it straight to configure since that's the kind of format it's 
> expecting, than to construct such a string from bunches of individual 
> options.  Especially since its configure already supports "all,!driver" 
> syntax.

I think in this case you need to roll your own configuration variable
and not use the options framework at all. I suggest something like this:

.include "../../mk/bsd.prefs.mk"
PKGNAME_ENABLED_DRIVERS?=foo,bar,baz

BUILD_DEFS+=    PKGNAME_ENABLED_DRIVERS

CONFIGURE_ARGS+=        --enable-drivers=${PKGNAME_ENABLED_DRIVERS}

At build time it will generate a message like this:

==========================================================================
The following variables will affect the build process of this package,
pkgname-0.1.  Their current value is shown below:

        * PKGNAME_ENABLED_DRIVERS = foo,bar,baz

You may want to abort the process now with CTRL-C and change their value
before continuing.  Be sure to run `/usr/bin/make clean' after
the changes.
==========================================================================

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