[Pkg-cups-devel] gtklp: FTBFS: libgtklp.c:348:10: error: dereferencing pointer to incomplete type

[peter green]

I needed this to build in raspbian and so I hacked until I got it 
building but it really needs looking at by someone more experianced.

The first issue seemed to be a missing include of cups/ipp.h (though I 
may have misread the problem) easy enough to fix.

Then I fixed a few direct accesses to structures where direct access was 
not allowed, I think I replaced them with the right things but i'm not 
positive.

Then I ran into.

libgtklp.c:351:10: error: dereferencing pointer to incomplete type
   request->request.op.operation_id=IPP_GET_PRINTER_ATTRIBUTES;
          ^
libgtklp.c:352:10: error: dereferencing pointer to incomplete type
   request->request.op.request_id=1;

My googling was unable to find what the modern equivilent of this is. I 
was able to make the code build by defining _IPP_PRIVATE_STRUCTURES to 1 
but that is not a long term soloution.

That got libgtklp.c to build. I also had to add the 
_IPP_PRIVATE_STRUCTURES thing in gtklp/gtklp_functions.c and  I'd given 
up looking for modern equvilents by this point

Debdiff attatched and uploaded to  raspbian. No intent to NMU in debian.
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