The attached patch allows the compilation of openmpi-3.1.0
on cygwin 32 and 64 bit with gcc 7.3
It is basically the same already proposed in the past for 2.1.2
I will release the cygwin package as soon we roll out
the gcc 7.3 compiler
Regards
Marco
--- origsrc/openmpi-3.1.0/opal/mca/event/libevent2022/libevent/event.h
2018-05-07 22:42:22.000000000 +0200
+++ src/openmpi-3.1.0/opal/mca/event/libevent2022/libevent/event.h
2018-05-21 15:05:39.090000000 +0200
@@ -56,7 +56,7 @@ extern "C" {
/* For int types. */
#include <evutil.h>
-#ifdef WIN32
+#if defined(WIN32) && !defined(__CYGWIN__)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
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