New comment by nvidiaLinuxUser on void-packages repository

https://github.com/void-linux/void-packages/issues/37123#issuecomment-1179521730

Comment:
> currently i am trying (i have no deep knowledge of DKMS or void-packages) to package this and have no clue how to make it build the modules if it requests a existing kernel
> 
> ```
>  [ nvidia            ]  CC           ../common/uproc/os/libos-v2.0.0/debug/logdecode.c
>  [ nvidia            ]  CC           _out/Linux_x86_64/g_nvid_string.c
>  [ nvidia            ]  LD           _out/Linux_x86_64/nv-kernel.o
>  [ nvidia            ]  OBJCOPY      _out/Linux_x86_64/nv-kernel.o
> make[1]: Leaving directory '/builddir/open-gpu-kernel-modules-515.49.06/src/nvidia'
> cd kernel-open/nvidia/ && ln -sf ../../src/nvidia/_out/Linux_x86_64/nv-kernel.o nv-kernel.o_binary
> make -C kernel-open modules
> make[1]: Entering directory '/builddir/open-gpu-kernel-modules-515.49.06/kernel-open'
> make[2]: Entering directory '/builddir/open-gpu-kernel-modules-515.49.06/kernel-open'
> make[2]: *** /lib/modules/5.18.9_1/build: No such file or directory.  Stop.
> make[2]: Leaving directory '/builddir/open-gpu-kernel-modules-515.49.06/kernel-open'
> make[1]: *** [Makefile:82: modules] Error 2
> make[1]: Leaving directory '/builddir/open-gpu-kernel-modules-515.49.06/kernel-open'
> make: *** [Makefile:50: modules] Error 2
> => ERROR: nvidia-open-515.49.06_1: do_build: '${make_cmd} ${makejobs} ${make_build_args} ${make_build_target}' exited with 2
> => ERROR:   in do_build() at common/build-style/gnu-makefile.sh:14
> ```

If I am not mistaken, you need to export KERNEL_UNAME. [Here's how it's done in KISS Linux](https://github.com/kiss-community/grepo/blob/master/nvidia/nvidia/build).