From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Fri, 2 Nov 2012 20:32:19 +0000 (+0000)
Subject: Add -lpthread when building with Ubsan on Linux, in preparation for making libclang... 
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=437abed3ae9e38caff66b90a21a9712d03f7709b;p=platform%2Fupstream%2Fllvm.git

Add -lpthread when building with Ubsan on Linux, in preparation for making libclang-rt.ubsan pull in sanitizer_common, which in turn depends on pthreads.

llvm-svn: 167305
---

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index d85bc4a..e9390e0 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1517,6 +1517,7 @@ static void addUbsanRTLinux(const ToolChain &TC, const ArgList &Args,
                             (Twine("libclang_rt.ubsan-") +
                              TC.getArchName() + ".a"));
     CmdArgs.push_back(Args.MakeArgString(LibUbsan));
+    CmdArgs.push_back("-lpthread");
   }
 }