GHC.Prim problem

Simon Marlow simonmarhaskell at
Thu May 31 05:43:41 EDT 2007

Ben Sinclair wrote:
> On Tue, May 29, 2007 at 04:05:49PM +0100, Simon Marlow wrote:
>> Ben Sinclair wrote:
>>> Hello, I've had a problem with GHC.Prim when compiling the darcs HEAD
>>> lately. When I compile it in the normal way with no special options
>>>> Main.hs:3:0:
>>>>    Failed to load interface for `GHC.Prim':
>>>>      locations searched:
>>>> 	GHC/Prim.hs
>>>> 	GHC/Prim.lhs
>> It works for me, with last night's HEAD build.  Are you running GHC from 
>> the build tree, or installing it first?  (not that it ought to make a 
>> difference). If you say 'ghc-pkg describe base', does it list GHC.Prim as 
>> exposed?
> I tried again with a source tree fresh from "darcs get --partial" and
> got the same result as before. "ghc-pkg describe base" doesn't mention
> GHC.Prim, but it does mention GHC.PrimopWrappers, I don't know if
> that's helpful. The documentation for GHC.Prim does get built.
> I wouldn't think it would matter, but I'm compiling with GHC 6.6 from
> Debian, which does have GHC.Prim exposed in the base package.

We know what the problem is - GHC.Prim is being filtered out of the module list 
during installation.  Ian is working on overhauling binary distributions, and 
will fix this at the same time.


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