> > Is there an established way of building curl as Universal Binary?
>
> I'm not familiar with the mechanics of making OS X's universal binaries,
> but I assume that the compiler simply makes three passes through each
> source file for each architecture specified on the command-line.

That's exactly what happens. I haven't tried this, but you could add compiler
flags such as

        -arch ppc -arch i386

(yes, two -arch flags), which should cause gcc to try to glue them together
into a fat binary at the end.

If that fails, you would use lipo to glue two objects together, which always
works.

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