On Thu, May 21, 2015 at 11:51 AM, Herbert Valerio Riedel <hvrie...@gmail.com
> wrote:

> Performance isn't (my) motivation for avoiding fork/exec (and the
> equivalent on Win32) but rather avoiding the added complexity of
> marshalling/IPC with fork/exec, as opposed to simply calling into a
> native Haskell function and crossing process boundaries and having to
> deal with the various things that can go wrong with the additional
> moving parts you encounter when controlling an external process. So this
> would IMO simplify code paths, and moreover I'd expect opportunities to
> actually make the Haskell cpphs API richer (in case it isn't already)
> and more tailored to GHC's lexer/parser pipeline and error-reporting.


Don't you still have to support -pgmF?

-- 
brandon s allbery kf8nh                               sine nomine associates
allber...@gmail.com                                  ballb...@sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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