From 6bdc8a2d8a7db08904503a594f002d0d16c59aef Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Sun, 10 Oct 2010 01:53:03 +0000
Subject: [PATCH] lib/Driver/Tools.cpp:  Disable cxa_atexit by default also on
 Cygwin.

llvm-svn: 116161
---
 clang/lib/Driver/Tools.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index a98609dda407..31f9c08eeb49 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1276,6 +1276,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   // -fuse-cxa-atexit is default.
   if (KernelOrKext ||
     !Args.hasFlag(options::OPT_fuse_cxa_atexit, options::OPT_fno_use_cxa_atexit,
+                  getToolChain().getTriple().getOS() != llvm::Triple::Cygwin &&
                   getToolChain().getTriple().getOS() != llvm::Triple::MinGW32 &&
                   getToolChain().getTriple().getOS() != llvm::Triple::MinGW64))
     CmdArgs.push_back("-fno-use-cxa-atexit");