ciao ho provato ma questo è l'errore che mi da:
REMOVE the old module if present
ERROR: Module gspca does not exist in /proc/modules
CLEAN gspca source tree
rm -r -f *.o decoder/.gspcadecoder.o.cmd decoder/*.o \
.gspca.o.cmd *.o *.ko *.mod.* .[a-z]* core *.i \
*.symvers *.err
COMPILE gspca Please Wait ....!!
INSTALL gspca in the kernel binary tree
mkdir -p /lib/modules/`uname -r`/kernel/drivers/usb/media/
rm -f /lib/modules/`uname -r`/kernel/drivers/usb/media/spca5xx.ko
rm -f /lib/modules/`uname -r`/kernel/drivers/media/video/gspca.ko
install -c -m 0644 gspca.ko /lib/modules/`uname -r`/kernel/drivers/usb/media/
install: impossibile fare stat di `gspca.ko': No such file or directory
make: *** [install] Error 1
LOAD gspca in memory
FATAL: Module gspca not found.
PRINT COMPILATION MESSAGES if ERRORS look kgspca.err
make -C /lib/modules/`uname -r`/build SUBDIRS=/usr/src/modules CC=cc modules
make[1]: Entering directory `/usr/src/linux-2.6.25.4'
CC [M] /usr/src/modules/gspca_core.o
/usr/src/modules/gspca_core.c:65:34: error: decoder/gspcadecoder.h: No such file or directory
/usr/src/modules/gspca_core.c:845:27: error: utils/spcausb.h: No such file or directory
/usr/src/modules/gspca_core.c:846:34: error: Sunplus/spca501_init.h: No such file or directory
/usr/src/modules/gspca_core.c:847:34: error: Sunplus/spca505_init.h: No such file or directory
/usr/src/modules/gspca_core.c:848:29: error: Sunplus/spca506.h: No such file or directory
/usr/src/modules/gspca_core.c:849:34: error: Sunplus/spca508_init.h: No such file or directory
/usr/src/modules/gspca_core.c:850:29: error: Sunplus/spca561.h: No such file or directory
/usr/src/modules/gspca_core.c:851:39: error: Sunplus-jpeg/jpeg_qtables.h: No such file or directory
/usr/src/modules/gspca_core.c:852:39: error: Sunplus-jpeg/spca500_init.h: No such file or directory
/usr/src/modules/gspca_core.c:853:35: error: Sunplus-jpeg/sp5xxfw2.h: No such file or directory
/usr/src/modules/gspca_core.c:854:25: error: Sonix/sonix.h: No such file or directory
/usr/src/modules/gspca_core.c:855:27: error: Vimicro/zc3xx.h: No such file or directory
/usr/src/modules/gspca_core.c:856:30: error: Conexant/cx11646.h: No such file or directory
/usr/src/modules/gspca_core.c:857:32: error: Transvision/tv8532.h: No such file or directory
/usr/src/modules/gspca_core.c:858:28: error: Etoms/et61xx51.h: No such file or directory
/usr/src/modules/gspca_core.c:859:31: error: Mars-Semi/mr97311.h: No such file or directory
/usr/src/modules/gspca_core.c:860:27: error: Pixart/pac207.h: No such file or directory
/usr/src/modules/gspca_core.c:861:28: error: Pixart/pac7311.h: No such file or directory
/usr/src/modules/gspca_core.c:862:28: error: Vimicro/vc032x.h: No such file or directory
/usr/src/modules/gspca_core.c: In function 'outpict_do_tasklet':
/usr/src/modules/gspca_core.c

error: implicit declaration of function 'spca50x_outpicture'
/usr/src/modules/gspca_core.c: In function 'spca5xx_initDecoder':
/usr/src/modules/gspca_core.c

error: implicit declaration of function 'init_jpeg_decoder'
/usr/src/modules/gspca_core.c

error: implicit declaration of function 'init_sonix_decoder'
/usr/src/modules/gspca_core.c

error: implicit declaration of function 'init_pixart_decoder'
/usr/src/modules/gspca_core.c: In function 'spca5xx_do_ioctl':
/usr/src/modules/gspca_core.c

error: implicit declaration of function 'spca506_GetNormeInput'
/usr/src/modules/gspca_core.c

error: implicit declaration of function 'spca506_SetNormeInput'
/usr/src/modules/gspca_core.c: In function 'gspca_attach_bridge':
/usr/src/modules/gspca_core.c

error: 'fspca500' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: (Each undeclared identifier is reported only once
/usr/src/modules/gspca_core.c

error: for each function it appears in.)
/usr/src/modules/gspca_core.c

error: 'fspca501' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fspca505' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fspca506' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'SPCA508_INDEX_I2C_BASE' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fspca508' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fspca561' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fsp5xxfw2' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fzc3xx' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fvc0321' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fsonix' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fsn9cxx' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fpac207' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fpac7311' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'ftv8532' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fet61x' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fcx11646' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'fmr97311' undeclared (first use in this function)
/usr/src/modules/gspca_core.c: In function 'spcaDetectCamera':
/usr/src/modules/gspca_core.c

error: implicit declaration of function 'spca5xxRegRead'
/usr/src/modules/gspca_core.c

error: 'SN9C105' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'SN9C120' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'SN9C102' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'SN9C101' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'SN9C102P' undeclared (first use in this function)
/usr/src/modules/gspca_core.c

error: 'SN9C110' undeclared (first use in this function)
make[2]: *** [/usr/src/modules/gspca_core.o] Error 1
make[1]: *** [_module_/usr/src/modules] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.25.4'
make: *** [default] Error 2
root[modules]#
non capisco come mai...
l'installazione l'ho appena fatta, magari manca qualche libreria che ne pensi?
cioa e grazie