> Found the solution. Newer Linux kernels 2.4.x are 
supporting
> files larger than 2GB. To check for that support one 
should include
>   AC_CHECK_FUNCS(llseek)
>   AC_CHECK_FUNCS(lseek64)

The only problem is that I am not totally sure that the 
whole httrack code is protected against 'int overflows' 
(some parts still contains code like 'int size = foo.. fseek
(..,size)')

I will have to check that (added on the TODO list)