Bug#741498: nvidia-kernel-dkms: fails to build for self-compiled 3.12.x kernel

[Alexander Hofbauer]

> This looks like it is related to your kernel configuration, it works fne
> on the Debian stock kernel.


I'm not a sure whether the kernel config is to blame here.

Trying to compile for 3.15-rc8 I get exactly the same error. Might be a
coincidence, but nevertheless I was able to trace back the problem to
conftest.h not being able to correctly test for kernel version.

E.g. "testing for >= 3,10,0" always chooses the else branch (verified by
adding an #error statement there).

Further tests (manually resolving every define in conftest.h) yielded a
compiling and loading kernel module.


Is there a CONF_* that prevents the header file from correctly testing for
kernel versions?
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