fix the apple-sdk on x86_64-darwin

Author: angerman

tool-map.nix

@@ -55,5 +55,15 @@ compiler-nix-name: tool: {
     #    cabal = { src = { outPath = self.inputs.cabal; filterPath = { path, ... }: path; }; }
     #
     cabalProjectFileName = "cabal.bootstrap.project";
+    modules = [({pkgs, lib, ...}: {
+      # error: use of undeclared identifier 'IP_RECVTOS'
+      # for whatever reason nixpkgs 24.11 defines x86_64-darwin
+      # to be sdk-10.12.2, and aarch64-darwin to be sdk-11.
+      # nixpkgs 25.05 will drop sdk-10.12, and unify aarch64 and x86 at last.
+      packages.network.components.library.libs = lib.mkIf (pkgs.stdenv.hostPlatform.isDarwin && lib.versionOlder pkgs.apple-sdk.version "11") [
+        pkgs.apple-sdk_11
+        (pkgs.darwinMinVersionHook "11.0")
+      ];
+    })];
   };
 }.${tool} or fixed-versions.${tool}.${compiler-nix-name} or {}