building head fails with: ghci/DebuggerTys.hs:49:60: Not in scope: `unknownTyConName'

[Claus Reinke]

>> that is odd, the file is still here, just that darcs has forgotten about 
>> it.
> 
> Darcs ought to remove it if you don't have any local changes to it.

there were no local changes in that file.
 
> Is   darcs whatsnew --look-for-adds --no-summary

yes! that is helpful, thanks. i wasn't aware that the effect of -l is not the 
default (i thought that uninteresting output was avoided via boring only - 
is that what 'cvs diff' used to do?).

>> even after 'make distclean', the output is full of stuff like .o, .hi, .a,
>> dist/, package.conf.inplace, package.conf.installed, ..
> 
> This sounds like the remnants of a build with the old build system.

hmpf. i've removed the most obvious extras by hand for now.
 
> Note that at the moment the Makefiles in libraries/* won't do the right
> thing. They're waiting for me to get around to looking at "Setup
> makefile".

i usually build only from the top of the ghc tree, so will only be affected
indirectly. anything in particular i shouldn't expect to work yet?

claus