[[!comment format=mdwn
 username="joey"
 subject="""comment 4"""
 date="2015-09-23T17:14:14Z"
 content="""
It might be possible to use stackage to get a build of all libraries from
the base haskell platform that are not too far out of date and don't break
too often. There is currently no way to upgrade such a build to get newer
version of libraries except for throwing the whole build tree away and
building all libraries again. So, it would be a lot of CPU on an ongoing basis,
or a source of unfixed security bugs. 

And, I think it would not be entirely non-fragile. It's not exactly unheard
of for a new version of a haskell library to accidentially break
compatability with the old version of ghc which is generally unused in the
haskell community outside of debian stable. Or, to need a newer version of
some C library headers than is in stable, or ...
"""]]