From 60c8c028774983d53c91905a8eab887190ea0c52 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Thu, 1 Mar 2018 18:33:36 -0500
Subject: [PATCH] bind: Remove unnecessary environment defines.

---
 pkgs/servers/dns/bind/default.nix | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/pkgs/servers/dns/bind/default.nix b/pkgs/servers/dns/bind/default.nix
index e2262cdb7c844..55368ac9a4dc6 100644
--- a/pkgs/servers/dns/bind/default.nix
+++ b/pkgs/servers/dns/bind/default.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation rec {
     sha256 = "10iwkghl5g50b7wc17bsb9wa0dh2gd57bjlk6ynixhywz6dhx1r9";
   };
 
-  preConfigure = "export AR=${stdenv.cc}/bin/${stdenv.cc.targetPrefix}ar";
-
   outputs = [ "out" "lib" "dev" "man" "dnsutils" "host" ];
 
   patches = [ ./dont-keep-configure-flags.patch ./remove-mkdir-var.patch ] ++
@@ -27,8 +25,6 @@ stdenv.mkDerivation rec {
 
   STD_CDEFINES = [ "-DDIG_SIGCHASE=1" ]; # support +sigchase
 
-  BUILD_CC = "cc";
-
   depsBuildBuild = [ buildPackages.stdenv.cc ];
 
   configureFlags = [