From 2b0b63c22986f0465fd5cee3772f18335f34c845 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Sun, 3 Mar 2019 13:31:24 -0500
Subject: [PATCH] stdenv/darwin: use libxml2-nopython for building llvm

---
 pkgs/stdenv/darwin/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index 2fc9c8ceb04..3c3917c827e 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -318,7 +318,8 @@ in rec {
 
       llvmPackages_7 = super.llvmPackages_7 // (let
         tools = super.llvmPackages_7.tools.extend (llvmSelf: _: {
-          inherit (llvmPackages_7) llvm clang-unwrapped;
+          clang-unwrapped = llvmPackages_7.clang-unwrapped.override { llvm = llvmSelf.llvm; };
+          llvm = llvmPackages_7.llvm.override { libxml2 = self.darwin.libxml2-nopython; };
         });
         libraries = super.llvmPackages_7.libraries.extend (llvmSelf: _: {
           inherit (llvmPackages_7) libcxx libcxxabi compiler-rt;