Fix issue #971

802d1bcb · Maarten Ditzel · 91e77e6a · 802d1bcb
Commit 802d1bcb authored Apr 14, 2014 by Maarten Ditzel
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windows.hpp src/windows.hpp +2 -1

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--- a/src/windows.hpp
+++ b/src/windows.hpp
@@ -50,7 +50,8 @@
 #endif

 //  Workaround missing Mstcpip.h in mingw32 (MinGW64 provides this)
-#if defined __MINGW32__ && !defined SIO_KEEPALIVE_VALS && !defined __MINGW64__
+//  __MINGW64_VERSION_MAJOR is only defined when using in mingw-w64
+#if defined __MINGW32__ && !defined SIO_KEEPALIVE_VALS && !defined __MINGW64_VERSION_MAJOR
 struct tcp_keepalive {
    u_long onoff;
    u_long keepalivetime;