link with gcc44+

Author: crabtw

src/comp/back/link.rs

@@ -663,7 +663,9 @@ fn link_binary(sess: session::session,
         gcc_args += ["-lrt", "-L/usr/local/lib", "-lexecinfo",
                      "-L/usr/local/lib/gcc46",
                      "-L/usr/local/lib/gcc44", "-lstdc++",
-                     "-Wl,-z,origin"];
+                     "-Wl,-z,origin",
+                     "-Wl,-rpath,/usr/local/lib/gcc46",
+                     "-Wl,-rpath,/usr/local/lib/gcc44"];
     }
 
     // OS X 10.6 introduced 'compact unwind info', which is produced by the