From 7620976826e059e3d8c24f3d7e5a8878b2d541a6 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Sat, 17 Sep 2016 18:42:35 -0400
Subject: [PATCH] Guard inclusion of <intrin.h> with VS2005 and above

---
 trap.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/trap.h b/trap.h
index f41d4a1e..917c9bce 100644
--- a/trap.h
+++ b/trap.h
@@ -5,7 +5,7 @@
 //! \brief Debugging and diagnostic assertions
 //! \details <tt>CRYPTOPP_ASSERT</tt> is the library's debugging and diagnostic assertion. <tt>CRYPTOPP_ASSERT</tt>
 //!   is enabled by <tt>CRYPTOPP_DEBUG</tt>, <tt>DEBUG</tt> or <tt>_DEBUG</tt>.
-//! \details <tt>CRYPTOPP_ASSERT</tt> raises a <tt>SIGTRAP</tt> (Unix) or calls <tt>DebugBreak()</tt> (Windows).
+//! \details <tt>CRYPTOPP_ASSERT</tt> raises a <tt>SIGTRAP</tt> (Unix) or calls <tt>__debugbreak()</tt> (Windows).
 //!   <tt>CRYPTOPP_ASSERT</tt> is only in effect when the user requests a debug configuration. Unlike Posix assert,
 //!   <tt>NDEBUG</tt> (or failure to define it) does not affect the library.
 //! The traditional Posix define <tt>NDEBUG</tt> has no effect on <tt>CRYPTOPP_DEBUG</tt> or DebugTrapHandler.
@@ -25,7 +25,9 @@
 #  if defined(CRYPTOPP_BSD_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE)
 #    include <signal.h>
 #  elif defined(CRYPTOPP_WIN32_AVAILABLE)
-#    include <intrin.h>
+#    if (_MSC_VER >= 1400)
+#      include <intrin.h>
+#    endif
 #  endif
 #endif // CRYPTOPP_DEBUG