hello there
when i try to run command "MAKE" for iwlwifi driver in backtrack 5 r1
i got this error



Kernel Makefile not found at '/lib/modules/2.6.39.4/source'
chmod: cannot access `compatible/*': No such file or directory
/bin/sh: line 2: compatible/kversion: No such file or directory

Makefile has been modified by generate_compatible, please run `make' again

make: *** [compatible/kversion] Error 1