sono riuscito ad andare un pezzo avanti ma facendo sudo make mi da questi errori
sudo make
make -C /lib/modules/`uname -r`/build SUBDIRS=/usr/src/modules/gspca CC=cc modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.27-11-generic'
CC [M] /usr/src/modules/gspca/gspca_core.o
/usr/src/modules/gspca/gspca_core.c:54:27: error: asm/semaphore.h: Nessun file o directory
/usr/src/modules/gspca/gspca_core.c: In function ‘spca5xx_ioctl’:
/usr/src/modules/gspca/gspca_core.c

error: implicit declaration of function ‘video_usercopy’
/usr/src/modules/gspca/gspca_core.c: At top level:
/usr/src/modules/gspca/gspca_core.c

error: unknown field ‘owner’ specified in initializer
/usr/src/modules/gspca/gspca_core.c

warning: initialization from incompatible pointer type
/usr/src/modules/gspca/gspca_core.c

error: unknown field ‘type’ specified in initializer
/usr/src/modules/gspca/gspca_core.c: In function ‘spca50x_create_sysfs’:
/usr/src/modules/gspca/gspca_core.c

error: implicit declaration of function ‘video_device_create_file’
/usr/src/modules/gspca/gspca_core.c

error: implicit declaration of function ‘video_device_remove_file’
/usr/src/modules/gspca/gspca_core.c: In function ‘spca5xx_probe’:
/usr/src/modules/gspca/gspca_core.c:4301: error: incompatible types in assignment
make[2]: *** [/usr/src/modules/gspca/gspca_core.o] Error 1
make[1]: *** [_module_/usr/src/modules/gspca] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.27-11-generic'
make: *** [default] Error 2
scusa...e grazie mille >:(