How to find what options are configured in a standard Ubuntu package?

Mon Aug 8 12:05:00 UTC 2016

On Mon, 8 Aug 2016 12:11:39 +0100, Chris Green wrote:
>I'm trying to find out what configuration options were used to build
>the wpa_supplicant that comes with Ubuntu 16.04.
>
>Is there anywhere that documents what options have been used to build
>programs in the Ubuntu repositories?

Yes, there is. Install the source package of wpasupplicant, resp. wpa
and take a look at the rules file.

Regards,
Ralf