Haskell platform

[Simon Peyton-Jones]

They [happy,alex] are in <platform>/lib/extralibs/bin now for some reason. The HP installer should have added that to the PATH though.
Oh, thank you!  I never thought of looking there.  The installer didn't add it.

Mark, it would be amazingly helpful if http://www.haskell.org/platform/ had clear documentation about this!  At the moment

*         It's hard to find an authoritative list of what's in (a particular version of) HP.  I tried the "Comprehensive" link on the HP page, leading to http://www.haskell.org/platform/contents.html, and that did mention Happy and Alex, but in a general kind of way.

*         I tried "Documentation" which leads here http://lambda.haskell.org/platform/doc/current/start.html, but that doesn't have a list of what's in it.  (For the libraries part you can kind-of deduce it from the right hand column of the "libraries" link http://lambda.haskell.org/platform/doc/current/frames.html, but it's pretty indirect.

*         I couldn't find a list of what executable programs should be installed.

*         It would be really great to know where those executables live.

None of this is hard; maybe just no one has asked.  Thanks!

Simon

From: Niklas Larsson [mailto:metaniklas at gmail.com]
Sent: 23 August 2013 02:10
To: Simon Peyton-Jones
Subject: Re: Haskell platform

Hi!

They are in <platform>/lib/extralibs/bin now for some reason. The HP installer should have added that to the PATH though.

Niklas

2013/8/23 Simon Peyton-Jones <simonpj at microsoft.com<mailto:simonpj at microsoft.com>>
Urk. The Haskell Platform claims to include Happy and Alex.  http://www.haskell.org/platform/contents.html

But 2013.2.0.0 doesn't.   Is that intentional?

That's a big problem for people using HP to build GHC.  I'm installing 2012.4.0.0 in the hope that it does.  No, nor does 2012.2

Am I just being stupid here?

Simon

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