From 1e1efbf2c355c4ddb1356abe535d79525bad72ba Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Tue, 12 Mar 2013 00:49:06 -0400
Subject: [PATCH] Avoid propagating link_arg values that are unlikely to be
 resolveable under arbitrary directories.

---
 src/librustc/back/link.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/librustc/back/link.rs b/src/librustc/back/link.rs
index fec3f776681..1437a3af7dd 100644
--- a/src/librustc/back/link.rs
+++ b/src/librustc/back/link.rs
@@ -818,7 +818,11 @@ pub fn link_binary(sess: Session,
     do cstore::iter_crate_data(cstore) |crate_num, _| {
         let link_args = csearch::get_link_args_for_crate(cstore, crate_num);
         do vec::consume(link_args) |_, link_arg| {
-            cc_args.push(link_arg);
+            // Linker arguments that don't begin with - are likely file names,
+            // so they should not be necessary.
+            if link_arg.starts_with("-") {
+              cc_args.push(link_arg);
+            }
         }
     }