From cfa1690e6918de6ee8bbe92e2cfb69817b26d636 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <jorge@japaric.io>
Date: Tue, 24 Jul 2018 16:57:22 -0500
Subject: [PATCH] fix warnings

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

diff --git a/library/compiler-builtins/src/lib.rs b/library/compiler-builtins/src/lib.rs
index 5c87e90a5acc..02b6c7db953a 100644
--- a/library/compiler-builtins/src/lib.rs
+++ b/library/compiler-builtins/src/lib.rs
@@ -47,6 +47,8 @@ mod macros;
 pub mod int;
 pub mod float;
 
+#[cfg(any(all(target_arch = "wasm32", target_os = "unknown"),
+          all(target_arch = "arm", target_os = "none")))]
 pub mod math;
 pub mod mem;