nixpkgs/nixos/modules/programs/nix-ld.nix
2023-01-02 18:46:13 +01:00

68 lines
1.8 KiB
Nix

{ pkgs, lib, config, ... }:
let
cfg = config.programs.nix-ld;
# TODO make glibc here configureable?
nix-ld-so = pkgs.runCommand "ld.so" {} ''
ln -s "$(cat '${pkgs.stdenv.cc}/nix-support/dynamic-linker')" $out
'';
nix-ld-libraries = pkgs.buildEnv {
name = "lb-library-path";
pathsToLink = [ "/lib" ];
paths = map lib.getLib cfg.libraries;
extraPrefix = "/share/nix-ld";
ignoreCollisions = true;
};
# We currently take all libraries from systemd and nix as the default.
# Is there a better list?
baseLibraries = with pkgs; [
zlib
zstd
stdenv.cc.cc
curl
openssl
attr
libssh
bzip2
libxml2
acl
libsodium
util-linux
xz
systemd
];
in
{
meta.maintainers = [ lib.maintainers.mic92 ];
options.programs.nix-ld = {
enable = lib.mkEnableOption (lib.mdDoc ''nix-ld, Documentation: <https://github.com/Mic92/nix-ld>'');
package = lib.mkOption {
type = lib.types.package;
description = lib.mdDoc "Which package to use for the nix-ld.";
default = pkgs.nix-ld;
defaultText = lib.literalExpression "pkgs.nix-ld";
};
libraries = lib.mkOption {
type = lib.types.listOf lib.types.package;
description = lib.mdDoc "Libraries that automatically become available to all programs. The default set includes common libraries.";
default = baseLibraries;
defaultText = lib.literalExpression "baseLibraries derived from systemd and nix dependencies.";
};
};
config = lib.mkIf config.programs.nix-ld.enable {
systemd.tmpfiles.packages = [ cfg.package ];
environment.systemPackages = [ nix-ld-libraries ];
environment.pathsToLink = [ "/share/nix-ld" ];
environment.variables = {
NIX_LD = toString nix-ld-so;
NIX_LD_LIBRARY_PATH = "/run/current-system/sw/share/nix-ld/lib";
};
};
}