This shims out fopen and sopen so that they use modern APIs under the hood
along with namespaced paths.
This lifts the MAX_PATH restrictions from Haskell programs and makes the new
There are only some slight caveats that have been documented.
Some utilities have not been upgraded such as lndir, since all these things are
different cabal packages I have been forced to copy the source in different places
which is less than ideal. But it's the only way to keep sdist working.