diff --git a/pkgs/os-specific/darwin/libSystem/default.nix b/pkgs/os-specific/darwin/libSystem/default.nix
new file mode 100644
index 000000000000..1dea8e846fdf
--- /dev/null
+++ b/pkgs/os-specific/darwin/libSystem/default.nix
@@ -0,0 +1,13 @@
+{ stdenvNoCC }:
+
+# Darwin dynamically determines the `libSystem` to use based on the SDK found at `DEVELOPER_DIR`.
+# By default, this will be `apple-sdk` or one of the versioned variants.
+stdenvNoCC.mkDerivation {
+  pname = "libSystem";
+  version = "B";
+
+  # Silence linker warnings due a missing `lib` (which is added by cc-wrapper).
+  buildCommand = ''
+    mkdir -p "$out/include" "$out/lib"
+  '';
+}
diff --git a/pkgs/top-level/darwin-packages.nix b/pkgs/top-level/darwin-packages.nix
index 30d5ef83061a..0d3cf4033efa 100644
--- a/pkgs/top-level/darwin-packages.nix
+++ b/pkgs/top-level/darwin-packages.nix
@@ -148,6 +148,8 @@ impure-cmds // appleSourcePackages // chooseLibs // {
   # Removes propagated packages from the stdenv, so those packages can be built without depending upon themselves.
   bootstrapStdenv = mkBootstrapStdenv pkgs.stdenv;
 
+  libSystem = callPackage ../os-specific/darwin/libSystem { };
+
   # TODO(@connorbaker): See https://github.com/NixOS/nixpkgs/issues/229389.
   cf-private = self.apple_sdk.frameworks.CoreFoundation;