Bug#473496: libgpmg1: Gpm_Event struct expanded

[Kevin Ryde]

Peter Samuelson <peter at p12n.org> writes:
>
> In summary:

Oh!

>   Though upstream's 2 ABIs are probably backward-compatible since they
>   added the fields at the end of the struct.

I'd suspect not, if the struct grows.  I make it 24 bytes in the
unmodified upstream 1.19.5, now 28 in 1.20, so an old binary would have
space for 24 but Gpm_GetEvent in the new library would plonk 28 there.
There'd be an upstream soname bump for that, would there, maybe ...?