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* Added an option to enable support for 32-bit binaries (such as Wine

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or Google Earth) on 64-bit NixOS on NVIDIA hardware.  The 32-bit
  OpenGL library is symlinked from /var/run/opengl-driver-32, which is
  added to the LD_LIBRARY_PATH so that 32-bit binaries can find it.

svn path=/nixos/trunk/; revision=22062
This commit is contained in:
Eelco Dolstra 2010-05-30 22:00:52 +00:00
parent 540c673364
commit eb4c33eeca
3 changed files with 21 additions and 9 deletions
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1
lib/eval-config.nix
View File

@ -33,6 +33,7 @@ rec {
inherit pkgs modules baseModules;
modulesPath = ../modules;
servicesPath = services;
pkgs_i686 = import nixpkgs { system = "i686-linux"; };
};
# Import Nixpkgs, allowing the NixOS option nixpkgs.config to

2
modules/programs/bash/bashrc.sh
View File

@ -3,7 +3,7 @@ if [ -n "$NOSYSBASHRC" ]; then
fi
# Initialise a bunch of environment variables.
export LD_LIBRARY_PATH=/var/run/opengl-driver/lib
export LD_LIBRARY_PATH=/var/run/opengl-driver/lib:/var/run/opengl-driver-32/lib # !!! only set if needed
export MODULE_DIR=@modulesTree@/lib/modules
export NIXPKGS_CONFIG=/nix/etc/config.nix
export NIXPKGS_ALL=/etc/nixos/nixpkgs

27
modules/services/x11/xserver.nix
View File

@ -1,4 +1,4 @@
{ config, pkgs, ... }:
{ config, pkgs, pkgs_i686, ... }:
with pkgs.lib;
@ -199,6 +199,15 @@ in
'';
};
driSupport32Bit = mkOption {
default = false;
description = ''
On 64-bit systems, whether to support Direct Rendering for
32-bit applications (such as Wine). This is currently only
supported for the <literal>nvidia</literal> driver.
'';
};
startOpenSSHAgent = mkOption {
default = true;
description = ''
@ -420,16 +429,18 @@ in
''
rm -f /var/run/opengl-driver
${# !!! The OpenGL driver depends on what's detected at runtime.
if elem "nvidia" driverNames then ''
ln -sf ${kernelPackages.nvidia_x11} /var/run/opengl-driver
''
else if elem "nvidiaLegacy" driverNames then ''
ln -sf ${kernelPackages.nvidia_x11_legacy} /var/run/opengl-driver
''
if elem "nvidia" driverNames then
''
ln -sf ${kernelPackages.nvidia_x11} /var/run/opengl-driver
${optionalString (pkgs.stdenv.system == "x86_64-linux" && cfg.driSupport32Bit)
"ln -sf ${pkgs_i686.linuxPackages.nvidia_x11.override { libsOnly = true; kernel = null; } } /var/run/opengl-driver-32"}
''
else if elem "nvidiaLegacy" driverNames then
"ln -sf ${kernelPackages.nvidia_x11_legacy} /var/run/opengl-driver"
else if cfg.driSupport then
"ln -sf ${pkgs.mesa} /var/run/opengl-driver"
else ""
}
}
${cfg.displayManager.job.preStart}