darwin/IOKit: use darwin-stubs

pkgs/os-specific/darwin/apple-source-releases/IOKit/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, appleDerivation, IOKitSrcs, xnu }:
+{ stdenv, appleDerivation, IOKitSrcs, xnu, darwin-stubs }:
 
 # Someday it'll make sense to split these out into their own packages, but today is not that day.
 appleDerivation {
@@ -14,12 +14,15 @@ appleDerivation {
   ];
 
   installPhase = ''
-    ###### IMPURITIES
     mkdir -p $out/Library/Frameworks/IOKit.framework
-    pushd $out/Library/Frameworks/IOKit.framework
-    ln -s /System/Library/Frameworks/IOKit.framework/IOKit
-    ln -s /System/Library/Frameworks/IOKit.framework/Resources
-    popd
+
+    ###### IMPURITIES
+    ln -s /System/Library/Frameworks/IOKit.framework/Resources \
+      $out/Library/Frameworks/IOKit.framework
+
+    ###### STUBS
+    cp ${darwin-stubs}/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit.tbd \
+      $out/Library/Frameworks/IOKit.framework
 
     ###### HEADERS