From 4eb152aa0aceba1e7fd6f2edc97fbb339c3e4e6b Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Tue, 26 Aug 2003 10:47:22 +0000
Subject: [PATCH] Re-enabled threading support for cygwin (while mingw32
 defines _MT cygwin doesn't define anything when -mthreads is specified).

[SVN r19780]
---
 include/boost/config/compiler/gcc.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/config/compiler/gcc.hpp b/include/boost/config/compiler/gcc.hpp
index 5c8e231c..8ab02348 100644
--- a/include/boost/config/compiler/gcc.hpp
+++ b/include/boost/config/compiler/gcc.hpp
@@ -48,7 +48,7 @@
 // those platforms where we can know for sure). It will get turned off again
 // later if no threading API is detected.
 //
-#if !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(linux) && !defined(__linux) && !defined(__linux__)
+#if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) && !defined(__linux__)
 # define BOOST_HAS_THREADS
 #endif