package description files

[Ross Paterson]

On Wed, Jan 05, 2005 at 09:01:05AM -0800, Isaac Jones wrote:
> ** more testing of preprocessors, haven't found a good test case yet
>    actually

The X11 package has a few .hsc files, and haskell-src includes a .y file.
Both seem to work OK.

> ** some tweaking to sdist and bdist, including using libraries for
>    tarring them up, instead of calling 'system "tar"'

sdist needs a bit of care: the list of preprocessors shouldn't be the
same as for build, as that includes system- and implementation-dependent
preprocessors (e.g. hsc2hs).  In addition, clean removes files will be
shipped in a source distribution -- maybe you need levels of cleanliness.