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