ObjectIO

[Simon Marlow]

> I then upgraded my version to
> 5.02.3 and now ObjectIO doesn't work anywhere anymore. The linker
> complains in literally thousands of errors like the ones shown below.
> This is a shame because we did like the ObjectIO library. Ah, my
> colleague has just installed 5.02.1 and now it works on his system.

Yes, if you upgrade your version of GHC you need to recompile *any* code
that was compiled by a previous version of GHC.  The compiler should be
better about giving warnings in this case (I believe 5.04 will complain
about patchlevel differences in interface files now).

Chees,
	Simon