1 files changed, 49 insertions, 0 deletions
diff --git a/pkgs/os-specific/darwin/apple-sdk-12.3/default.nix b/pkgs/os-specific/darwin/apple-sdk-12.3/default.nix
new file mode 100644
index 0000000000000..85444ec95e614
--- /dev/null
+++ b/pkgs/os-specific/darwin/apple-sdk-12.3/default.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  newScope,
+  overrideCC,
+  pkgs,
+  stdenv,
+  stdenvNoCC,
+}:
+
+let
+  version = "12.3";
+
+  MacOSX-SDK = callPackage ./CLTools_macOSNMOS_SDK.nix { inherit version; };
+  callPackage = newScope (pkgs.darwin // packages);
+
+  packages = {
+    # Make sure we pass our special `callPackage` instead of using packages.callPackage which
+    # does not have necessary attributes in scope.
+    frameworks = callPackage ./frameworks { inherit callPackage; };
+    libs = callPackage ./libs { inherit callPackage; };
+
+    CLTools_Executables = callPackage ./CLTools_Executables.nix { inherit version; };
+    Libsystem = callPackage ./libSystem.nix { };
+    LibsystemCross = callPackage ./libSystem.nix { };
+    libunwind = callPackage ./libunwind.nix { };
+    libnetwork = callPackage ./libnetwork.nix { };
+    libpm = callPackage ./libpm.nix { };
+    # Avoid introducing a new objc4 if stdenv already has one, to prevent
+    # conflicting LLVM modules.
+    objc4 = stdenv.objc4 or (callPackage ./libobjc.nix { });
+
+    darwin-stubs = stdenvNoCC.mkDerivation {
+      pname = "darwin-stubs";
+      inherit (MacOSX-SDK) version;
+
+      preferLocalBuild = true;
+      allowSubstitutes = false;
+
+      buildCommand = ''
+        mkdir -p "$out"
+        ln -s ${MacOSX-SDK}/System "$out/System"
+        ln -s ${MacOSX-SDK}/usr "$out/usr"
+      '';
+    };
+
+    sdkRoot = pkgs.callPackage ../apple-sdk/sdkRoot.nix { sdkVersion = version; };
+  };
+in
+packages