From 865ed6f133627772d6b02d4a44cd8fae447ef294 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.
---
 library/compiler-builtins/build.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/compiler-builtins/build.rs b/library/compiler-builtins/build.rs
index 6e7833013eed..e6ad4c6a13b7 100644
--- a/library/compiler-builtins/build.rs
+++ b/library/compiler-builtins/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