From a8c6135b384f0fee0605325fc982991a67f4d5ab Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <japaricious@gmail.com>
Date: Sat, 13 Aug 2016 12:16:52 -0500
Subject: [PATCH] exclude windows and macos

---
 library/compiler-builtins/src/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/compiler-builtins/src/lib.rs b/library/compiler-builtins/src/lib.rs
index a802d1b9bf41..2d1c8399cfbb 100644
--- a/library/compiler-builtins/src/lib.rs
+++ b/library/compiler-builtins/src/lib.rs
@@ -4,9 +4,9 @@
 #![feature(linkage)]
 #![feature(naked_functions)]
 #![cfg_attr(not(test), no_std)]
+#![no_builtins]
 // TODO(rust-lang/rust#35021) uncomment when that PR lands
 // #![feature(rustc_builtins)]
-#![no_builtins]
 
 // We disable #[no_mangle] for tests so that we can verify the test results
 // against the native compiler-rt implementations of the builtins.
@@ -22,6 +22,7 @@ extern crate core;
 pub mod arm;
 
 pub mod udiv;
+#[cfg(all(not(windows), not(target_os = "macos")))]
 pub mod mem;
 pub mod mul;
 pub mod shift;