J.W., This came up recently here: http://www.mail-archive.com/haskell-cafe@haskell.org/msg84528.html http://www.mail-archive.com/haskell-cafe@haskell.org/msg84528.htmlIt looks like your best bet may be to use GHC 6.12 until the now-separate dph libraries are released. -- Jason M. Knight Ph.D. Electrical Engineering '13 Texas A&M University Cell: 512-814-8101 On Tue, Dec 14, 2010 at 7:35 AM, Johannes Waldmann < waldmann@imn.htwk-leipzig.de> wrote:

Hi,

I want to use dph (data parallel haskell) for a presentation. (Nothing fancy, just compile and run some demos.) What ghc version should I use and where do I get it?

I read the advice "use HEAD" but when I build from the 7.1.20101213 source snapshot, dph is not installed (should it be?)

Best - J.W.

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On 14/12/2010, at 13:35, Johannes Waldmann wrote:

I want to use dph (data parallel haskell) for a presentation. (Nothing fancy, just compile and run some demos.) What ghc version should I use and where do I get it?

That's a tricky question. We are currently working on getting DPH to work properly with GHC 7 but we aren't quite done yet. You might want to try 7.0.1 + the DPH sources from the darcs repo.

I read the advice "use HEAD" but when I build from the 7.1.20101213 source snapshot, dph is not installed (should it be?)

Nowadays, you have to install DPH separately which isn't easy since we haven't released the packages yet. In any case, DPH doesn't work with the current HEAD at all because I haven't adapted it to the new superclass story yet. Roman