From bbd2be60756c50a02822fd4c4bc0c74a625b7418 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Fri, 26 Dec 2014 12:38:18 -0500
Subject: [PATCH] Restore accidentally-dropped stdenv adapter

---
 pkgs/stdenv/adapters.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/stdenv/adapters.nix b/pkgs/stdenv/adapters.nix
index c50db3bc04d..6d8ca55a0fc 100644
--- a/pkgs/stdenv/adapters.nix
+++ b/pkgs/stdenv/adapters.nix
@@ -235,4 +235,9 @@ rec {
       });
     };
 
+  dropCxx = drv: drv.override {
+    stdenv = if pkgs.stdenv.isDarwin
+      then pkgs.allStdenvs.stdenvDarwinNaked
+      else pkgs.stdenv;
+  };
 }