From 3f2ba625d676f96ddbfd4a83480997989e61f183 Mon Sep 17 00:00:00 2001
From: Eric Bailey <eric@ericb.me>
Date: Tue, 13 Aug 2019 11:21:44 +0200
Subject: [PATCH] noweb: use clang on darwin

---
 pkgs/development/tools/literate-programming/noweb/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/tools/literate-programming/noweb/default.nix b/pkgs/development/tools/literate-programming/noweb/default.nix
index 333491d9a3d2..43cb6e6c2c75 100644
--- a/pkgs/development/tools/literate-programming/noweb/default.nix
+++ b/pkgs/development/tools/literate-programming/noweb/default.nix
@@ -23,6 +23,8 @@ let noweb = stdenv.mkDerivation rec {
   makeFlags = stdenv.lib.optionals (!isNull icon-lang) [
     "LIBSRC=icon"
     "ICONC=icont"
+  ] ++ stdenv.lib.optionals stdenv.isDarwin [
+    "CC=clang"
   ];
 
   installFlags = [