andy@Fileserver:~/v4l-dvb$ sudo make
make -C /home/andy/v4l-dvb/v4l
make[1]: Entering directory `/home/andy/v4l-dvb/v4l'
scripts/make_makefile.pl /lib/modules/2.6.15-26-386/build
File not found: /lib/modules/2.6.15-26-386/build/include/linux/autoconf.h at ./scripts/make_kconfig.pl line 27, <GEN0> line 6.
make[1]: *** No rule to make target `.myconfig', needed by `config-compat.h'.  Stop.
make[1]: Leaving directory `/home/andy/v4l-dvb/v4l'
make: *** [all] Error 2

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andy@Fileserver:~/v4l-dvb$ uname -r
2.6.15-26-386
andy@Fileserver:~/v4l-dvb$ dir /lib/modules/
2.6.15-23-386  2.6.15-26-386