diff options
Diffstat (limited to 'nixpkgs/nixos/modules/config/ldso.nix')
-rw-r--r-- | nixpkgs/nixos/modules/config/ldso.nix | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/config/ldso.nix b/nixpkgs/nixos/modules/config/ldso.nix new file mode 100644 index 000000000000..72ae3958d886 --- /dev/null +++ b/nixpkgs/nixos/modules/config/ldso.nix @@ -0,0 +1,58 @@ +{ config, lib, pkgs, ... }: + +let + inherit (lib) last splitString mkOption types mdDoc optionals; + + libDir = pkgs.stdenv.hostPlatform.libDir; + ldsoBasename = builtins.unsafeDiscardStringContext (last (splitString "/" pkgs.stdenv.cc.bintools.dynamicLinker)); + + pkgs32 = pkgs.pkgsi686Linux; + libDir32 = pkgs32.stdenv.hostPlatform.libDir; + ldsoBasename32 = builtins.unsafeDiscardStringContext (last (splitString "/" pkgs32.stdenv.cc.bintools.dynamicLinker)); +in { + options = { + environment.ldso = mkOption { + type = types.nullOr types.path; + default = null; + description = mdDoc '' + The executable to link into the normal FHS location of the ELF loader. + ''; + }; + + environment.ldso32 = mkOption { + type = types.nullOr types.path; + default = null; + description = mdDoc '' + The executable to link into the normal FHS location of the 32-bit ELF loader. + + This currently only works on x86_64 architectures. + ''; + }; + }; + + config = { + assertions = [ + { assertion = isNull config.environment.ldso32 || pkgs.stdenv.isx86_64; + message = "Option environment.ldso32 currently only works on x86_64."; + } + ]; + + systemd.tmpfiles.rules = ( + if isNull config.environment.ldso then [ + "r /${libDir}/${ldsoBasename} - - - - -" + ] else [ + "d /${libDir} 0755 root root - -" + "L+ /${libDir}/${ldsoBasename} - - - - ${config.environment.ldso}" + ] + ) ++ optionals pkgs.stdenv.isx86_64 ( + if isNull config.environment.ldso32 then [ + "r /${libDir32}/${ldsoBasename32} - - - - -" + ] else [ + "d /${libDir32} 0755 root root - -" + "L+ /${libDir32}/${ldsoBasename32} - - - - ${config.environment.ldso32}" + ] + ); + }; + + meta.maintainers = with lib.maintainers; [ tejing ]; +} |