Bug#901203: nvidia-driver: dependence on 'gcc-6'

[Luca Boccassi]

Control: close -1

On Sat, 09 Jun 2018 23:45:51 -0700 peterbecich <peterbecich at gmail.com>
wrote:
> Package: nvidia-driver
> Version: 390.48-2~bpo9+3
> Severity: serious
> Justification: fails to build from source (but built successfully in
the past)
> 
> Hello,
> 
> I am attempting to install the Nvidia drivers (390.48-2~bpo9+3) from
Stretch
> Backports.  The package seems unhappy with the version of GCC I have
installed.
> 
> ```
> # apt-get install -t stretch-backports nvidia-driver.
> ```
> 
> An error occurs:
> 
> ```
> Building for 4.16.0-0.bpo.1-amd64
> Building initial module for 4.16.0-0.bpo.1-amd64
> Error! Bad return status for module build on kernel: 4.16.0-0.bpo.1-
amd64
> (x86_64)
> Consult /var/lib/dkms/nvidia-current/390.48/build/make.log for more
> information.
> 
> In /var/lib/dkms/nvidia-current/390.48/build/make.log I find:
> 
> Compiler version check failed:
> 
> The major and minor number of the compiler used to
> compile the kernel:
> 
> gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)
> 
> does not match the compiler used here:
> 
> gcc-6 (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
> Copyright (C) 2016 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There
is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
> 
> 
> It is recommended to set the CC environment variable
> to the compiler that was used to compile the kernel.
> 
> This should be the same version of gcc used to compile the kernel:
> 
> cat /proc/version
> Linux version 4.16.0-0.bpo.1-amd64 (debian-kernel at lists.debian.org)
(gcc
> version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)) #1 SMP Debian
4.16.5-1~bpo9+1
> (2018-05-06)
> ```
> 
> I remove the Nvidia packages: ```# apt-get remove --purge
.*nvidia.*```
> 
> And try again: ```# IGNORE_CC_MISMATCH=1 apt-get install -t stretch-
backports
> nvidia-driver```
> 
> A different error in make.log:
> 
> ```

This has nothing to do with nvidia-driver. You need to have the same
compiler that was used to build the kernel, to build the modules. If
you install the headers with apt install -t stretch-backports linux-
headers-amd64 you should get everything you need.

-- 
Kind regards,
Luca Boccassi
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