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-   -   kernel module doesn't compile with kernel 3.7.6 (Solved) (http://www.nvnews.net/vbulletin/showthread.php?t=201567)

rkbwde 02-10-13 01:13 AM

kernel module doesn't compile with kernel 3.7.6 (Solved)
 
When compiling nvidia kernel module with latest linux kernel 3.7.6, I got this error message:
If you are using a Linux 2.4 kernel, please make sure
you either have configured kernel sources matching your
kernel or the correct set of kernel headers installed
on your system.

If you are using a Linux 2.6 kernel, please make sure
you have configured kernel sources matching your kernel
installed on your system. If you specified a separate
output directory using either the "KBUILD_OUTPUT" or
the "O" KBUILD parameter, make sure to specify this
directory with the SYSOUT environment variable or with
the equivalent nvidia-installer command line option.
...
Fortunately, I found a solution on the WWW (http://forums.gentoo.org/viewtopic-t-950330.html), pointing out a missing symlink which makes conftest.sh (subroutine select_makefile) run into a branch designed for V2.6 kernels (http://forum.chip.de/linux/kernel-3-7-6-nvidia-treiber-1710085.html):
Code:

if [ -n "$PATCHLEVEL" -a $PATCHLEVEL -ge 6 \
                        -a -n "$SUBLEVEL" -a $SUBLEVEL -le 5
]; then
                    SELECTED_MAKEFILE=Makefile.kbuild
                    RET=0
                fi

While kernel 3.7.5 still passed this check, 3.7.6 triggers an error :(
IMO, a check for kernel V2 vs. V3 should be added here ...


Doing
Code:

ln -s /usr/src/linux/include/generated/uapi/linux/version.h /usr/src/linux/include/linux/version.h
fixes the issue (or patching conftest.sh).


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