diff --git a/pkgs/development/tools/xcbuild/wrapper.nix b/pkgs/development/tools/xcbuild/wrapper.nix
index 959c79405e86..902d21040501 100644
--- a/pkgs/development/tools/xcbuild/wrapper.nix
+++ b/pkgs/development/tools/xcbuild/wrapper.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, buildPackages, makeWrapper, writeText, runCommand
 , CoreServices, ImageIO, CoreGraphics
-, runtimeShell
+, runtimeShell, callPackage
 , xcodePlatform ? stdenv.targetPlatform.xcodePlatform or "MacOSX"
 , xcodeVer ? stdenv.targetPlatform.xcodeVer or "9.4.1"
 , sdkVer ? stdenv.targetPlatform.sdkVer or "10.10" }:
@@ -14,20 +14,20 @@ let
   sdkBuildVersion = "17E189";
   xcodeSelectVersion = "2349";
 
-  xcbuild = buildPackages.callPackage ./default.nix {
-    inherit CoreServices ImageIO CoreGraphics;
+  xcbuild = callPackage ./default.nix {
+    inherit CoreServices ImageIO CoreGraphics stdenv;
   };
 
-  toolchains = buildPackages.callPackage ./toolchains.nix {
-    inherit toolchainName;
+  toolchains = callPackage ./toolchains.nix {
+    inherit toolchainName stdenv;
   };
 
-  sdks = buildPackages.callPackage ./sdks.nix {
+  sdks = callPackage ./sdks.nix {
     inherit toolchainName sdkName xcodePlatform;
     version = sdkVer;
   };
 
-  platforms = buildPackages.callPackage ./platforms.nix {
+  platforms = callPackage ./platforms.nix {
     inherit sdks xcodePlatform;
   };
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a75b2ecc9ae2..6c0020b61771 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1280,6 +1280,7 @@ in
   contacts = callPackage ../tools/misc/contacts {
     inherit (darwin) cf-private;
     inherit (darwin.apple_sdk.frameworks) Foundation AddressBook;
+    xcbuildHook = xcbuild6Hook;
   };
 
   compsize = callPackage ../os-specific/linux/compsize { };
@@ -5062,6 +5063,7 @@ in
   pinentry_mac = callPackage ../tools/security/pinentry/mac.nix {
     inherit (darwin) cf-private;
     inherit (darwin.apple_sdk.frameworks) Cocoa;
+    xcbuildHook = xcbuild6Hook;
   };
 
   pingtcp = callPackage ../tools/networking/pingtcp { };
@@ -9533,11 +9535,17 @@ in
   xcodebuild = callPackage ../development/tools/xcbuild/wrapper.nix {
     inherit (darwin.apple_sdk.frameworks) CoreServices CoreGraphics ImageIO;
   };
+  xcodebuild6 = xcodebuild.override { stdenv = llvmPackages_6.stdenv; };
   xcbuild = xcodebuild;
   xcbuildHook = makeSetupHook {
     deps = [ xcbuild ];
   } ../development/tools/xcbuild/setup-hook.sh  ;
 
+  # xcbuild with llvm 6
+  xcbuild6Hook = makeSetupHook {
+    deps = [ xcodebuild6 ];
+  } ../development/tools/xcbuild/setup-hook.sh  ;
+
   xcpretty = callPackage ../development/tools/xcpretty { };
 
   xmlindent = callPackage ../development/web/xmlindent {};