"Aditya Siram" <
aditya_siram@...> wrote:
> I have been trying to install Hat for the last couple of days but GHC
> does not recognize it as a package. I compiled 2.05 from source, but
> at the 'make install' step I see this error message:
>
> Installing hat package for ghc under
> /usr/local/lib/hat-2.05/ix86-Linux/ghc-606
> ghc-pkg: cannot find package hat <-----ERROR MESSAGE!!!!!
This error message can be safely ignored - it comes from a requirement
to support several different versions of ghc, each of which has a
different interface to the package manager ghc-pkg.
> ghc-pkg: package hat-2.4 is already installed
>
> /usr/local/lib/ghc-6.6/package.conf:
> ...
> /home/deech/.ghc/i386-linux-6.6/package.conf:
> (hat-2.4) <----ERROR!!!
>
> For some reason it thinks that hat-2.4 is installed.
This is one of a couple of bugs in the 2.05 package. The .cabal file
simply had the wrong version number in it.
> Bad interface file:
> /usr/local/imports/hat-2.05/ghc-606/Hat/PreludeBasic.hi
> Something is amiss; requested module hat-2.4:Hat.PreludeBasic
> differs from name found in the interface file hat:Hat.PreludeBasic
And this is the other bug: the Hat library package was built using
"-package-name hat" instead of "-package-name hat-2.05" (as now required
by ghc-6.6 and above).
I have re-rolled the Hat-2.05 distribution package with these two very
minor bugfixes. Please try downloading it again, and re-building.
Regards,
Malcolm
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