Making (useful subsets of) bytecode portable between targets

[Edward Z. Yang]

Excerpts from Ben Gamari's message of 2016-11-21 16:06:14 -0500:
> > 3. Teach cabal to compile dependencies and modules for the build and
> >    target when cross-compiling and TH is used
> 
> You'll need to speak with the Cabal folks about this. However, it's
> probably safe to ignore this for now; there's a lot of work to done
> before you'll be in a position to start thinking about this.

Some related work that has been done for just compiling Setup scripts
with the host system: https://github.com/haskell/cabal/issues/1493
and https://github.com/haskell/cabal/issues/4047 is where we have
been going with it.

John Ericson is in charge of the effort, I've CC'ed him to this list.

Edward