need 68000 C compiler

[Doug Moen]

Does anybody have a copy of the MIT 68000 C compiler with some
or most of the following modifications?
  - long identifiers
  - 16 bit ints, instead of 32
  - working struct assignment, most known bugs fixed
  - improved code generator/optimizer

We're running 4.2bsd, and source code is preferred.
Any leads would be appreciated.

Doug Moen @ U of Waterloo Computer Graphics Lab (watmath!watcgl!kdmoen)