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-rw-r--r--include/ruby/win32.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/ruby/win32.h b/include/ruby/win32.h
index a7d07083af..7c0da1f49f 100644
--- a/include/ruby/win32.h
+++ b/include/ruby/win32.h
@@ -27,8 +27,14 @@ extern "C" {
// #include <stdarg.h> conflict with varargs.h?
#if !defined(WSAAPI)
+#if defined(__cplusplus) && defined(_MSC_VER)
+extern "C++" { /* template without extern "C++" */
+#endif
#include <winsock2.h>
#include <ws2tcpip.h>
+#if defined(__cplusplus) && defined(_MSC_VER)
+}
+#endif
#endif
#define NT 1 /* deprecated */