So I am have been building .ifs images from various kinds of buildfiles for some time in Momentics. However I am faced 
with a very unique/difficult situation (I think).

I am using QNX 6.1.0 which does not have USB mass storage support in it (devb-umass). So upon search on QNX it seems 
that the devb-umass driver got introduced since 6.3.0.

So my questions are:

1. Is it possible to include the devb-umass driver and it's corresponding libraries (using objdump -x) from 6.3.0 to 6.1
.0?

2. If answer is "yes" to above question, what kind of trouble/problems am I looking in terms of other things breaking 
assuming I don't change anything else on 6.1.0?

I thought I would get some opinion before going ahead and spend hours on this possibly futile exercise.

Any input will be greatly appreciated.

Thanks