top-level/static.nix: put makeStaticDarwin first in staticAdapters

This needs to go first since the .override will reset the mkDerivation
function, removing any other customisations done afterwards. Kind of
hacky, but seems to work correctly right now.

pkgs/top-level/static.nix

@@ -34,14 +34,18 @@ self: super: let
     });
   };
 
-  staticAdapters = [ makeStaticLibraries propagateBuildInputs ]
+  staticAdapters =
+    # makeStaticDarwin must go first so that the extraBuildInputs
+    # override does not recreate mkDerivation, removing subsequent
+    # adapters.
+    optional super.stdenv.hostPlatform.isDarwin makeStaticDarwin
+
+    ++ [ makeStaticLibraries propagateBuildInputs ]
 
     # Apple does not provide a static version of libSystem or crt0.o
     # So we can’t build static binaries without extensive hacks.
     ++ optional (!super.stdenv.hostPlatform.isDarwin) makeStaticBinaries
 
-    ++ optional super.stdenv.hostPlatform.isDarwin makeStaticDarwin
-
     # Glibc doesn’t come with static runtimes by default.
     # ++ optional (super.stdenv.hostPlatform.libc == "glibc") ((flip overrideInStdenv) [ self.stdenv.glibc.static ])
   ;