This monad will be required by most public API calls.

printing them.

This monad provides variants of 'catch', 'bracket', and 'finally', so
exceptions can be handled in monads that wrap IO.  The latter two
methods need to be part of the class definition, because GHC uses
'block' and 'unblock' which are used in the definition of those two
methods for the IO monad.  A perhaps better class interface would
consist of 'gcatch', 'gblock', and 'gunblock' and let the latter two
default to 'id' like is done for non-GHC implementations of 'bracket'
and 'finally'.

target.mk isn't included everywhere, but show is always handy

I think looking for $(GHC_COMPILER_DIR_ABS) was failing on the Windows
buildbot due to different path separators. Now we just look for
"inplace".

We now need to install driver after ghc

e.g. $(bindir)/ghc-6.9.20080911

Otherwise it thinks that c:/foo is a remote file

This time, we had forgetten the write barrier in one place.

Added code for dead code elimination to the ext-core library. This can be used in concert with Language.Core.Merge to produce a single self-contained module without unnecessary cruft. 

Changed the ext-core syntax to include primitive coercions (left, right, sym, trans, etc.) as syntax rather than referring them to their names as in GHC. (I hope I updated the docs to reflect this...)  

See comments for details.

See comments for details.

isUtupleTy was implemented inefficiently (and is called a lot by the typechecker). Replaced with uglier but faster code.

I added a new module, Merge, to the ext-core library that combines a list of ext-core modules into a new, uniquely renamed module.

See comments in Merge.hs for more details.