make
   Building SPCA5XX driver for 2.5/2.6 kernel.
   Remember: you must have read/write access to your kernel source tree.
make -C /lib/modules/`uname -r`/build SUBDIRS=/usr/local/src/spca5xx-v4l1goodbye CC=cc modules
make: *** /lib/modules/2.6.18-4-486/build: No such file or directory.  Stop.
make: *** [default] Error 2