# dkms build -m ndiswrapper -v 1.21-2mdv2007.1 -k 2.6.21-0.rc7.1mdv

Preparing kernel 2.6.21-0.rc7.1mdv for module build:
(This is not compiling a kernel, just preparing kernel symbols)
Storing current .config to be restored when complete
Running Generic preparation routine
make mrproper.....
using /boot/config-2.6.21-0.rc7.1mdv
make oldconfig.....
make prepare-all.....(bad exit status: 2)

Building module:
cleaning build area...ld.
make KERNELRELEASE=2.6.21-0.rc7.1mdv KVERS=2.6.21-0.rc7.1mdv -C /var/lib/dkms/ndiswrapper/1.21-2mdv2007.1/build..(bad exit status: 2)

Error! Bad return status for module build on kernel: 2.6.21-0.rc7.1mdv (i586)
Consult the make.log in the build directory
/var/lib/dkms/ndiswrapper/1.21-2mdv2007.1/build/ for more information.