From 2467f5e4d2f3520890b7faa04a9d0d66f89a2874 Mon Sep 17 00:00:00 2001
From: Monson Shao <holymonson@gmail.com>
Date: Wed, 20 Jan 2021 18:37:56 +0800
Subject: [PATCH] darwin.apple-sdk: drop appleSdkVersion

In fact no one is using appleSdkVersion, and stdenv is decoupled with sdk.
---
 pkgs/os-specific/darwin/apple-sdk/default.nix | 7 +------
 pkgs/stdenv/darwin/default.nix                | 6 ++----
 2 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/pkgs/os-specific/darwin/apple-sdk/default.nix b/pkgs/os-specific/darwin/apple-sdk/default.nix
index 0ba7a1d209e..8a814e9558d 100644
--- a/pkgs/os-specific/darwin/apple-sdk/default.nix
+++ b/pkgs/os-specific/darwin/apple-sdk/default.nix
@@ -1,15 +1,10 @@
 { stdenv, fetchurl, xar, cpio, pkgs, python3, pbzx, lib, darwin-stubs, print-reexports }:
 
-let version = "10.12"; in
-
-# Ensure appleSdkVersion is up to date.
-assert stdenv.isDarwin -> stdenv.appleSdkVersion == version;
-
 let
   # sadly needs to be exported because security_tool needs it
   sdk = stdenv.mkDerivation rec {
     pname = "MacOS_SDK";
-    inherit version;
+    version = "10.12";
 
     # This URL comes from https://swscan.apple.com/content/catalogs/others/index-10.12.merged-1.sucatalog, which we found by:
     #  1. Google: site:swscan.apple.com and look for a name that seems appropriate for your version
diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index ecec2903b5f..30c38168fd1 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -1,7 +1,5 @@
 { lib
 , localSystem, crossSystem, config, overlays, crossOverlays ? []
-# The version of darwin.apple_sdk used for sources provided by apple.
-, appleSdkVersion ? "10.12"
 # Minimum required macOS version, used both for compatibility as well as reproducability.
 , macosVersionMin ? "10.12"
 # Allow passing in bootstrap files directly so we can test the stdenv bootstrap process when changing the bootstrap tools
@@ -150,7 +148,7 @@ in rec {
         __extraImpureHostDeps = commonImpureHostDeps;
 
         extraAttrs = {
-          inherit macosVersionMin appleSdkVersion platform;
+          inherit macosVersionMin platform;
         };
         overrides  = self: super: (overrides self super) // {
           inherit ccNoLibcxx;
@@ -524,7 +522,7 @@ in rec {
     extraAttrs = {
       libc = pkgs.darwin.Libsystem;
       shellPackage = pkgs.bash;
-      inherit macosVersionMin appleSdkVersion platform bootstrapTools;
+      inherit macosVersionMin platform bootstrapTools;
     };
 
     allowedRequisites = (with pkgs; [