32-bit builds?

[Mark Brethen]

> On Nov 26, 2015, at 9:07 AM, Brandon Allbery <allbery.b at gmail.com> wrote:
> 
> On Thu, Nov 26, 2015 at 10:03 AM, Mark Brethen <mark.brethen at gmail.com> wrote:
> says "symbol(s) not found for architecture x86_64" instead of "symbol(s) not found for architecture i386”. Can I tweak my build settings to allow a 32-bit build?
> 
> "build_arch i386" in /opt/local/etc/macports/macports.conf to force all builds to be 32 bit; otherwise, you probably want +universal on a case by case basis. What are you trying to accomplish?
> 
> -- 
> brandon s allbery kf8nh                               sine nomine associates
> allbery.b at gmail.com                                  ballbery at sinenomine.net
> unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net

I suspect the source does not support 64-bit builds. How do I tweak the port to build universal? Is there an example port I could look at?

Mark