🚀 go-pugleaf

We have been running the Sun Modula-2 (MOCKA - Modula2) compiler from Karlsruhe
with SUNOS 3.5.  Having upgraded to 4.1, we now find that modula2 does not
work. the error message we get is

Mocka/8801
* cat hello.mi
MODULE hello;
  FROM InOut IMPORT WriteString, WriteLn;
BEGIN
  WriteString("hello world");
  WriteLn;
END hello.

* p hello
.. Compiling Program Module hello I/0001 II/0001
.. Linking hello
ld: /usr/local/lib/mocka/lib/SysLib.o: premature EOF
Linking terminated with error.
* q

Any suggestions as to what we might do? Do we need to reinstall or recompile?
Can we use the current version or do we need a new version of the software?
Is there a public domain version for sun 3's under 4.1 we can get hold of fast?
Any help (including executables copiled under 4.1) would be greatly appreciated.

Thanks.
--
             Rich Stoler, Senior Systems Prgrammer,
	       	  George Washington University
     SEAS Computing Facility, 725 23rd St NW, Washington DC 20052
 	     stoler@seas.gwu.edu  -or-  uunet!gwusun!stoler