cannot run the Build.sh script

[sirdel]

when running sudo ./build.sh I get the following cast error :-

--Building the libtif library--
g++ -c -o tif.o -ansi -Wall -g -fPIC -I. -DBUILDING_LIBTIF -fvisibility=hidden -lusb -fvisibility-inlines-hidden -I../hidapi -I/usr/include/libusb-1.0 tif.cpp
tif.cpp: In constructor ‘Ttif::Ttif(int, int)’:
tif.cpp:546:44: error: cast from ‘void*’ to ‘int’ loses precision [-fpermissive]
   FinitResult = (int)(pCP->init(Avid, Apid));
                                            ^
make: *** [tif.o] Error 1