From f92e097cd4cfdba43f38a25f858ac15c5d9da44d Mon Sep 17 00:00:00 2001
From: Dan Peebles <pumpkin@me.com>
Date: Tue, 10 Oct 2017 16:41:44 -0400
Subject: [PATCH] xcbuild: add SDKROOT by default to the wrappers

This fixes #30269 and lets us do things like `xcrun -find cc`, for
example.
---
 pkgs/development/tools/xcbuild/wrapper.nix | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/tools/xcbuild/wrapper.nix b/pkgs/development/tools/xcbuild/wrapper.nix
index ab6605e91b10..2f6b42e7a00e 100644
--- a/pkgs/development/tools/xcbuild/wrapper.nix
+++ b/pkgs/development/tools/xcbuild/wrapper.nix
@@ -58,11 +58,14 @@ stdenv.mkDerivation {
     wrapProgram $out/bin/xcodebuild \
       --add-flags "-xcconfig ${xcconfig}" \
       --add-flags "DERIVED_DATA_DIR=." \
-      --set DEVELOPER_DIR "$out"
+      --set DEVELOPER_DIR "$out" \
+      --set SDKROOT ${sdkName}
     wrapProgram $out/bin/xcrun \
-      --set DEVELOPER_DIR "$out"
+      --set DEVELOPER_DIR "$out" \
+      --set SDKROOT ${sdkName}
     wrapProgram $out/bin/xcode-select \
-      --set DEVELOPER_DIR "$out"
+      --set DEVELOPER_DIR "$out" \
+      --set SDKROOT ${sdkName}
   '';
 
   inherit (xcbuild) meta;