/var/tmp/portage/spca5xx-20060301/work/spca5xx-20060301/drivers/usb/spca5xx.c:8316: error: dereferencing pointer to incomplete type
/var/tmp/portage/spca5xx-20060301/work/spca5xx-20060301/drivers/usb/spca5xx.c:8317: warning: implicit declaration of function 'video_device_release'
/var/tmp/portage/spca5xx-20060301/work/spca5xx-20060301/drivers/usb/spca5xx.c:8319: warning: implicit declaration of function 'video_unregister_device'
make[2]: *** [/var/tmp/portage/spca5xx-20060301/work/spca5xx-20060301/drivers/usb/spca5xx.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [_module_/var/tmp/portage/spca5xx-20060301/work/spca5xx-20060301] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.18-gentoo'
make: *** [default] Error 2

!!! ERROR: media-video/spca5xx-20060301 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  ebuild.sh, line 1255:   Called linux-mod_src_compile
  linux-mod.eclass, line 469:   Called die

!!! Unable to make  KERNELDIR=/usr/src/linux default.
!!! If you need support, post the topmost build error, and the call stack if relevant.