nixpkgs/nixos
Ambroz Bizjak 370d3af0c4 nixos: Don't set LD_LIBRARY_PATH for graphics drivers that don't need it.
A new internal option `hardware.opengl.setLdLibraryPath` is added which controls if `LD_LIBRARY_PATH` should be set to `/run/opengl-driver(-32)/lib`. It is false by default and is meant to be set to true by any driver which requires it. If this option is false, then `opengl.nix` and `xserver.nix` will not set `LD_LIBRARY_PATH`.

Currently Mesa and NVidia drivers don't set `setLdLibraryPath` because they work with libglvnd and do not override libraries, while `amdgpu-pro`, `ati` and `parallels-guest` set it to true (the former two really need it, the last one doesn't build so is presumed to).

Additionally, the `libPath` attribute within entries of `services.xserver.drivers` is removed. This made `xserver.nix` add the driver path directly to the `LD_LIBRARY_PATH` for the display manager (including X server). Not only is it redundant when the driver is added to `hardware.opengl.package` (assuming that `hardware.opengl.enable` is true), in fact all current drivers except `ati` set it incorrectly to the package path instead of package/lib.

This removal of `LD_LIBRARY_PATH` could break certain packages using CUDA, but only those that themselves load `libcuda` or other NVidia driver libraries using `dlopen` (not if they just use `cudatoolkit`). A few have already been fixed but it is practically impossible to test all because most packages using CUDA are libraries/frameworks without a simple way to test.

Fixes #11434 if only Mesa or NVidia graphics drivers are used.
2019-05-26 10:23:46 +02:00
..
doc hunspellDicts.fr-any: link fr-moderne to fr_FR 2019-05-23 15:53:50 +02:00
lib nixos: doc: optionally include all modules in manual generation 2019-03-05 09:41:40 +00:00
maintainers treewide: Remove usage of isNull 2019-04-29 14:05:50 +02:00
modules nixos: Don't set LD_LIBRARY_PATH for graphics drivers that don't need it. 2019-05-26 10:23:46 +02:00
tests nixosTests.signal-desktop: add test 2019-05-23 00:56:46 +02:00
COPYING
default.nix
README
release-combined.nix nixos/release: make ipv6 tests as important as legacy IP tests 2019-03-24 18:09:39 +01:00
release-small.nix nixos/release: make ipv6 tests as important as legacy IP tests 2019-03-24 18:09:39 +01:00
release.nix nixos/sd-image-aarch64-new-kernel: Added to release 2018-12-26 11:03:32 +00:00

*** NixOS ***

NixOS is a Linux distribution based on the purely functional package
management system Nix.  More information can be found at
http://nixos.org/nixos and in the manual in doc/manual.