From 24d49071e5ca5bbc7d31795e4af83b3e55a5ed1f Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 18 Nov 2016 09:40:20 -0800
Subject: [PATCH] Define VISIBILITY_HIDDEN when compiling objects

Apparently compiler-rt passed this and we just forgot to. Fixes visibility of
some symbols on 32-bit Linux.
---
 build.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.rs b/build.rs
index 6e78330..e6ad4c6 100644
--- a/build.rs
+++ b/build.rs
@@ -78,6 +78,7 @@ fn main() {
             cfg.flag("-fvisibility=hidden");
             cfg.flag("-fomit-frame-pointer");
             cfg.flag("-ffreestanding");
+            cfg.define("VISIBILITY_HIDDEN", None);
         }
 
         // NOTE Most of the ARM intrinsics are written in assembly. Tell gcc which arch we are going to