[Mike Betts]

Originally Posted by Matt Krass

...I don't see why they couldn't include backwards compatibility, it's not a huge issue but I like to be up to date.

Matt,

The issue is a PIC issue and not an IFI issue...

From the readme file of C18 compiler V3.00:

----------------------------------------------------------------------
1. Important MPLINK and MPLAB IDE Compatibility Note
----------------------------------------------------------------------

Due to a change in COFF file format, MPLAB C18 v3.00 and later will
not be compatible with versions of MPLINK prior to v4.00 or
versions of the MPLAB IDE prior to v7.21.
MPLAB C18 v3.00 and later will have backward compatibility to earlier
versions at the source level only. Any existing object files or
libraries compiled with earlier versions of the tools will not link
using new versions of the tools. They will need to be recompiled
from source.

This change was required for support of new products introduced by Microchip a few years ago.

I had hoped that IFI would offer recompiled libraries but they have not. I would guess it might have something to do with over 1300 teams getting free C18 compiler software from Microchip.

Regards,

Mike