How to make a port require at least one option?

Michelle Sullivan michelle at
Wed Oct 28 13:09:43 UTC 2015

A.J. "Fonz" van Werven wrote:
> Hi all,
> I'm working on a port that has two options, of which at least one must be
> selected, but selecting both is OK too. Can somebody please point me to an
> existing port (surely there must be some already) that has this, so I can
> see how to use the options framework in this case?
> Thanks in advance.
> AvW
Do that in your processing of options (if defined etc).  It's your
choice whether to force a default or to error out of the build if
options are not configured.

Michelle Sullivan

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