[Asterisk-Users] Spandsp - Libtiff problem

[Simon Richter]

Hi,

> I use Fedora 3, and I have compilation problem of SpanDsp , when 
> installaing spandsp, tiff warnings and errors generated and libunicall 
> generate "unresolved references....."

Which is the same reason why spandsp is not packaged for Debian yet. The 
"p" in "tiffiop.h" means private, i.e. the t4.c and t30.c files use 
internal knowledge about libtiff's data structures that may (and 
actually do) change between versions. I have successfully compiled a 
working version for libtiff.so.3, however the current version is 4 and 
the tiffiop.h header shipped with that version has changed too much.

The correct solution, obviously, would be to use only public API calls. 
I am basically willing to do the work, however I lack the necessary 
insight into libtiff and the fax protocol to understand what spandsp is 
doing here (it looks to me as if a certain processing step in libtiff 
needs to be skipped).

    Simon
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