From 88acbce1e9a601bcbd6b741631eeae993bfa20f3 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Wed, 5 Sep 2018 20:56:03 +0300
Subject: [PATCH] Declare and use _exit under MinGW32

---
 include/boost/core/quick_exit.hpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/boost/core/quick_exit.hpp b/include/boost/core/quick_exit.hpp
index 5c2e7bb..f0f903e 100644
--- a/include/boost/core/quick_exit.hpp
+++ b/include/boost/core/quick_exit.hpp
@@ -18,6 +18,12 @@
 #include <boost/config.hpp>
 #include <cstdlib>
 
+#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
+
+_CRTIMP __cdecl __MINGW_NOTHROW  void _exit (int) __MINGW_ATTRIB_NORETURN;
+
+#endif
+
 #if defined(__CYGWIN__) && __cplusplus < 201103L
 
 extern "C" _Noreturn void quick_exit(int);
@@ -33,6 +39,10 @@ BOOST_NORETURN void quick_exit( int code ) BOOST_NOEXCEPT
 
     ::_exit( code );
 
+#elif defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
+
+    ::_exit( code );
+
 #elif defined(__APPLE__)
 
     ::_Exit( code );