From 07e313de2c4ca3c0c8cfd19bf7b7930763629da6 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Thu, 15 Dec 2016 15:30:50 -0700
Subject: [PATCH] Add openlibm to redox

---
 src/librustc_back/target/redox_base.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/librustc_back/target/redox_base.rs b/src/librustc_back/target/redox_base.rs
index fc4c68276b65..d8c83b39d8ef 100644
--- a/src/librustc_back/target/redox_base.rs
+++ b/src/librustc_back/target/redox_base.rs
@@ -33,6 +33,10 @@ pub fn opts() -> TargetOptions {
             // Static link
             "-static".to_string()
         ],
+        late_link_args: vec![
+            // Link to openlibm for math functions
+            "-lopenlibm".to_string()
+        ],
         executables: true,
         relocation_model: "static".to_string(),
         disable_redzone: true,