81 lines
2 KiB
Nix
81 lines
2 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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inherit (lib)
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last
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splitString
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mkOption
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types
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optionals
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;
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libDir = pkgs.stdenv.hostPlatform.libDir;
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ldsoBasename = builtins.unsafeDiscardStringContext (
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last (splitString "/" pkgs.stdenv.cc.bintools.dynamicLinker)
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);
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# Hard-code to avoid creating another instance of nixpkgs. Also avoids eval errors in some cases.
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libDir32 = "lib"; # pkgs.pkgsi686Linux.stdenv.hostPlatform.libDir
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ldsoBasename32 = "ld-linux.so.2"; # last (splitString "/" pkgs.pkgsi686Linux.stdenv.cc.bintools.dynamicLinker)
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in
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{
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options = {
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environment.ldso = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The executable to link into the normal FHS location of the ELF loader.
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'';
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};
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environment.ldso32 = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The executable to link into the normal FHS location of the 32-bit ELF loader.
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This currently only works on x86_64 architectures.
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'';
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};
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};
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config = {
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assertions = [
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{
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assertion = isNull config.environment.ldso32 || pkgs.stdenv.hostPlatform.isx86_64;
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message = "Option environment.ldso32 currently only works on x86_64.";
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}
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];
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systemd.tmpfiles.rules =
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(
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if isNull config.environment.ldso then
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[
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"r /${libDir}/${ldsoBasename} - - - - -"
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]
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else
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[
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"d /${libDir} 0755 root root - -"
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"L+ /${libDir}/${ldsoBasename} - - - - ${config.environment.ldso}"
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]
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)
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++ optionals pkgs.stdenv.hostPlatform.isx86_64 (
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if isNull config.environment.ldso32 then
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[
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"r /${libDir32}/${ldsoBasename32} - - - - -"
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]
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else
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[
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"d /${libDir32} 0755 root root - -"
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"L+ /${libDir32}/${ldsoBasename32} - - - - ${config.environment.ldso32}"
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]
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);
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};
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meta.maintainers = with lib.maintainers; [ tejing ];
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}
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