--- openmpi-1.7rc5/opal/mca/event/libevent2019/libevent/event.h~	2012-10-05 13:12:58.000000000 +0200
+++ openmpi-1.7rc5/opal/mca/event/libevent2019/libevent/event.h	2012-12-18 23:46:01.662800600 +0100
@@ -56,7 +56,7 @@
 /* For int types. */
 #include <evutil.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(__CYGWIN__)
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
 #endif
--- openmpi-1.7rc5/opal/mca/event/libevent2019/libevent/include/event2/util.h~	2012-10-05 13:12:58.000000000 +0200
+++ openmpi-1.7rc5/opal/mca/event/libevent2019/libevent/include/event2/util.h	2012-12-18 23:40:17.394277000 +0100
@@ -67,7 +67,7 @@
 #include <netdb.h>
 #endif
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(__CYGWIN__)
 #include <winsock2.h>
 #else
 #include <sys/socket.h>