From f7d2f093d49cc21ec70d2d76312d2973f83d1537 Mon Sep 17 00:00:00 2001
From: Jyun-Yan You <jyyou@cs.nctu.edu.tw>
Date: Wed, 6 Jun 2012 11:29:00 +0800
Subject: [PATCH] fix link error

---
 src/rustc/back/link.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rustc/back/link.rs b/src/rustc/back/link.rs
index db87084fc1ba0..62dc467143ee9 100644
--- a/src/rustc/back/link.rs
+++ b/src/rustc/back/link.rs
@@ -636,7 +636,7 @@ fn link_binary(sess: session,
     // On linux librt and libdl are an indirect dependencies via rustrt,
     // and binutils 2.22+ won't add them automatically
     if sess.targ_cfg.os == session::os_linux {
-        cc_args += ["-lrt", "-ldl"];
+        cc_args += ["-lrt", "-ldl", "-lm"];
     }
 
     if sess.targ_cfg.os == session::os_freebsd {