--- boost_1_57_0/boost/smart_ptr/detail/atomic_count.hpp	2014-08-21 15:48:32.000000000 -0500
+++ boost_1_57_0/boost/smart_ptr/detail/atomic_count.hpp	2015-05-04 17:47:15.556740500 -0500
@@ -79,7 +79,7 @@
 #elif defined( BOOST_SP_HAS_SYNC )
 # include <boost/smart_ptr/detail/atomic_count_sync.hpp>
 
-#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
+#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
 # include <boost/smart_ptr/detail/atomic_count_win32.hpp>
 
 #elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
--- boost_1_57_0/boost/smart_ptr/detail/lightweight_mutex.hpp	2014-08-21 15:48:32.000000000 -0500
+++ boost_1_57_0/boost/smart_ptr/detail/lightweight_mutex.hpp	2015-05-04 17:47:45.234509100 -0500
@@ -32,7 +32,7 @@
 #  include <boost/smart_ptr/detail/lwm_nop.hpp>
 #elif defined(BOOST_HAS_PTHREADS)
 #  include <boost/smart_ptr/detail/lwm_pthreads.hpp>
-#elif defined(BOOST_HAS_WINTHREADS) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
+#elif defined(BOOST_HAS_WINTHREADS) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
 #  include <boost/smart_ptr/detail/lwm_win32_cs.hpp>
 #else
 // Use #define BOOST_DISABLE_THREADS to avoid the error
--- boost_1_57_0/boost/smart_ptr/detail/sp_counted_base.hpp	2014-08-21 15:48:32.000000000 -0500
+++ boost_1_57_0/boost/smart_ptr/detail/sp_counted_base.hpp	2015-05-04 17:47:45.240009800 -0500
@@ -65,7 +65,7 @@
 #elif defined(__GNUC__) && ( defined( __sparcv9 ) || ( defined( __sparcv8 ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 402 ) ) )
 # include <boost/smart_ptr/detail/sp_counted_base_gcc_sparc.hpp>
 
-#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined(__CYGWIN__)
+#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ )
 # include <boost/smart_ptr/detail/sp_counted_base_w32.hpp>
 
 #elif defined( _AIX )
--- boost_1_57_0/boost/smart_ptr/detail/sp_interlocked.hpp	2014-08-21 15:48:32.000000000 -0500
+++ boost_1_57_0/boost/smart_ptr/detail/sp_interlocked.hpp	2015-05-04 17:48:39.316376700 -0500
@@ -119,7 +119,7 @@ extern "C" long __cdecl _InterlockedExch
 # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 
-#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
+#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ )
 
 namespace boost
 {
--- boost_1_57_0/boost/smart_ptr/detail/spinlock.hpp	2014-08-21 15:48:32.000000000 -0500
+++ boost_1_57_0/boost/smart_ptr/detail/spinlock.hpp	2015-05-04 17:47:45.247510800 -0500
@@ -49,7 +49,7 @@
 #elif defined( BOOST_SP_HAS_SYNC )
 #  include <boost/smart_ptr/detail/spinlock_sync.hpp>
 
-#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
+#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
 #  include <boost/smart_ptr/detail/spinlock_w32.hpp>
 
 #elif defined(BOOST_HAS_PTHREADS)
--- boost_1_57_0/boost/smart_ptr/detail/yield_k.hpp	2014-08-21 15:48:32.000000000 -0500
+++ boost_1_57_0/boost/smart_ptr/detail/yield_k.hpp	2015-05-04 17:47:45.253511600 -0500
@@ -47,7 +47,7 @@ extern "C" void _mm_pause();
 
 //
 
-#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
+#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ )
 
 #if defined( BOOST_USE_WINDOWS_H )
 # include <windows.h>
--- boost_1_57_0/libs/smart_ptr/test/sp_interlocked_test.cpp	2014-08-21 15:48:32.000000000 -0500
+++ boost_1_57_0/libs/smart_ptr/test/sp_interlocked_test.cpp	2015-05-04 23:18:21.717422600 -0500
@@ -8,7 +8,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 //
 
-#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
+#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ )
 
 #include <boost/smart_ptr/detail/sp_interlocked.hpp>
 #include <boost/detail/lightweight_test.hpp>