From 05a3c5c0f3967f676778f477c7f823af6bec6c2f Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Fri, 22 Oct 2010 16:15:06 -0700
Subject: rustc: Add an "_" prefix to assembler-generated symbols on Mac

---
 src/comp/back/x86.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/comp')

diff --git a/src/comp/back/x86.rs b/src/comp/back/x86.rs
index d4b76352..86631e93 100644
--- a/src/comp/back/x86.rs
+++ b/src/comp/back/x86.rs
@@ -2,6 +2,7 @@ import lib.llvm.llvm;
 import lib.llvm.llvm.ModuleRef;
 import std._str;
 import std._vec;
+import std.os.target_os;
 import util.common.istr;
 
 const int wordsz = 4;
@@ -128,7 +129,11 @@ fn decl_upcall_glue(int align, str prefix, uint n) -> str {
 
 fn get_module_asm() -> str {
     auto align = 4;
+
     auto prefix = "";
+    if (target_os() == "macos") {
+        prefix = "_";
+    }
 
     auto glues =
         vec(decl_glue(align, prefix,
-- 
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