From 3de9baafbaadd87fb47c93fe22e3ab4d9f22e6d7 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Thu, 23 Oct 2014 02:54:15 +0000
Subject: [PATCH] Add -ldl to libc++ tests when sanitizers are used.

Clang 3.6 no longer links the sanitizer runtime library dependancies when
-nodefaultlibs is used. This patch manually links in a missing dependancy.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@220463 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/lit.cfg | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/lit.cfg b/test/lit.cfg
index d60c96939..ff308b6ea 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -431,6 +431,8 @@ class Configuration(object):
         san = self.get_lit_conf('llvm_use_sanitizer', '').strip()
         if san:
             self.compile_flags += ['-fno-omit-frame-pointer']
+            if not sys.platform.startswith('freebsd'):
+                self.link_flags += ['-ldl']
             if san == 'Address':
                 self.compile_flags += ['-fsanitize=address']
                 self.config.available_features.add('asan')