1) fix_tools_exports.pl need only be run on Windows hosts; was run unnecessarily on Linux too.
2) Need to export modload.pm on Linux as well as Windows hosts.
System Definition version 3 Support
This is only prototype support for testing the reading of single
"package" files. The implementation was submitted by Bob Rosenberg
and has been regression tested by the Raptor team. Testing on real
sysdef files is being carried out by the Symbian Foundation.