[Haskell-cafe] more database issues

[Henning Thielemann]

On Tue, 8 Jul 2008, Galchin, Vasili wrote:

> vigalchin at ubuntu:~/Desktop/hsql-1.7$ runhaskell Setup.lhs clean
> cleaning...
> vigalchin at ubuntu:~/Desktop/hsql-1.7$ runhaskell Setup.lhs configure --user
> --prefix=$HOME
> Configuring hsql-1.7...
> Warning: No license-file field.
> vigalchin at ubuntu:~/Desktop/hsql-1.7$ runhaskell Setup.lhs build
> Preprocessing library hsql-1.7...
> Building hsql-1.7...
>
> Database/HSQL.hsc:66:7:
>    Could not find module `System.Time':
>      it is a member of package old-time-1.0.0.0, which is hidden
> vigalchin at ubuntu:~/Desktop/hsql-1.7$
>
> I have a global ghc installation plus a local one off my user directory. In
> any case, when I do "ghc-pkg list" .... old-time-1.0.0.0 is not hidden.
> ????
> Bottom line is how do I install DB libraries with least pain??

Is old-time listed in the dependencies of the HSQL package?

Problem is probably that many functions moved from 'base' to smaller 
packages like 'old-time' but package maintainers did not move to new 
compilers and thus new package structure. It's very inconvenient, but a 
known issue.