From: Robert Lipe <robertlipe@users.noreply.github.com>
Date: Thu, 22 Dec 2016 01:00:37 +0000 (-0600)
Subject: Implement va_copy for VS 2012
X-Git-Tag: archive/raspbian/1.10.0+ds-2+rpi1~1^2~12^2~9^2~9^2~9
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Implement va_copy for VS 2012

va_copy is part of C++ 11, not supported by VS 2012
---

diff --git a/defs.h b/defs.h
index df2df9c51..037fee7a0 100644
--- a/defs.h
+++ b/defs.h
@@ -105,6 +105,15 @@
 #  define strdup _strdup
 #endif
 
+/* Workaround for lack of va_copy in Visual Studio 2012 and earlier */
+#if __WIN32__
+#  if _MSC_VER
+#    if _MSC_VER < 1700
+#      define va_copy(dest, src) ((dest) = (src))
+#    endif
+#  endif
+#endif
+
 /* Turn off numeric conversion warning */
 #if __WIN32__
 #  if _MSC_VER