root@zirbox-u:~/wifi/mac80211# make patch kernel

WARNING: $SHELL not set to bash.

If you experience build errors, try 'make SHELL=/bin/bash'.

make: *** No rule to make target `patch'.  Stop.
root@zirbox-u:~/wifi/mac80211# make patch kernel

WARNING: $SHELL not set to bash.

If you experience build errors, try 'make SHELL=/bin/bash'.

make: *** No rule to make target `patch'.  Stop.
root@zirbox-u:~/wifi/mac80211# make patch kernel SHELL=/bin/bash
make: *** No rule to make target `patch'.  Stop.
root@zirbox-u:~/wifi/mac80211# make SHELL=/bin/bash
Building modified version in 'modified/' directory:
Copying modified/ from origin/...done
Applying patches and scripts from pending/.
Kernel Makefile not found at '/lib/modules/2.6.17-11-generic/source/'
If patch or script failed, check pre/ and post/ for current stage.
make: *** [compatible/modified] Error 1