[Haskell-cafe] Cabal -j

Louis Wasserman wasserman.louis at gmail.com
Fri Jun 4 18:02:05 EDT 2010

Hmmm.  Now that I've had a chance to rewatch the video, I am enlightened.

Nevertheless, I will confess that I wouldn't mind the idea of just doing an
external parallelism wrapper, running multiple sessions of GHC rather than
making GHC internally parallel.  Hrrrrm.

Louis Wasserman
wasserman.louis at gmail.com

On Thu, Jun 3, 2010 at 11:57 PM, Evan Laforge <qdunkan at gmail.com> wrote:

> Something I wondered from watching that talk, rather than trying to
> make ghc run concurrently internally, can we just have --make, when
> faced with multiple possibilities, pick the first one without a
> 'ModuleName.working' file, create such a working file, and then go to?
> Then you can run 'ghc --make X.hs &; ghc --make X.hs &; ...'.
> In fact, isn't that what make -j already does?  I could try it with
> the old style 'ghc -M' and pure makefile, but it turns out to be a lot
> of work to figure out what packages to include and tangle out the
> right .o files and whatnot, work that --make does for me.
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