Make && Make Install : please set KERNELPATH

I'm trying to:

make
make install

in the mad-wifi directory.

I get this as soon as i type: make

/bin/sh: line 0: cd: /lib/modules/2.6.39.4/build: No such file or directory
Makefile.inc:66: *** /lib/modules/2.6.39.4/build is missing, please set KERNELPATH. Stop.


I've installed linux-headers and linux-source
It looks like they've been installed into: /usr/src/
I've also tried reinstalling the packages.

The command: uname -r returns:
2.6.39.4


Does anybody have any idea on how i can get make && make install working??


UPDATE: Solved With:

Quote:

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root@bt:~# prepare-kernel-sources
root@bt:~# cd /usr/src/linux
root@bt:~# cp -rf include/generated/* include/linux/

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Did you Prepare the Kernel Headers?
http://www.backtrack-linux.org/wiki/...Kernel_Headers

copy this code and paste it into console:

Code:

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cd /lib/modules/2.6.39.4/
ln -s /usr/src/linux build

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if you get error like"module.symvers is missing" during driver installation and you would like to fix that than after you prepare kernel headers do this:

Code:

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cd /usr/src/linux/
make modules

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however this action may take 2 hours and it's not very important.
important is to make symbolic link in your /lib/modules/$(uname -r)/

cheers!

Thanks man, it worked.. I appreciate the help! :)