[fpc-pascal] FPC 3.0.X next to 2.6.4 on Linux

[Marco van de Voort]

In our previous episode, Krzysztof said:
> Last thing. Is possible that some FPC mixed version of .ppu or .o will be
> linked into my binary? I mean some third party stuff which I forgot clean
> up etc, you know how it is. Just wondering if final binary file can contain
> *.ppu and *.o compiled by different FPC versions

No. In theory it is possible to force the .o (combine .o from one build
with .ppu from another), but that is not likely to happen in practice.

The only exceptions are trunk builds from different but not TOO different
dates.