Revised GCCE workaround for Bug 2926 - must use :zip export to ensure that the various files are present
before any builds are attempted, otherwise there is "no rule to make usrt3_1.lib" and no
attempt is made to link any executables even after the extension makefiles are executed.
EXPORTS
_Z11Return11111v @ 1 NONAME ; Return11111()
_Z11Return22222v @ 2 NONAME ; Return22222()