> I can't find any documentation on how building httrack 
with 
> swf support.
> How can I do?
<http://debian.httrack.com/dists/unstable/main/source/>

and especially:
<http://debian.httrack.com/dists/unstable/main/source/libhtt>
rack-swf_1.0.orig.tar.gz>

tar xvfz libhttrack-swf_1.0.orig.tar.gz
cd libhttrack-swf-1.0
cd src
./makeflash
cd ..
./configure && make && make install

Note: you need to have libhttrack libraries and .h 
installed *first*