From 1e63c7729dcf574df29c6702dd0e36fd47aa5f4f Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sun, 4 Jul 2021 18:51:25 +0300
Subject: [PATCH] Define BOOST_CLANG_VERSION_WORKAROUND_GUARD

---
 include/boost/config/workaround.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/boost/config/workaround.hpp b/include/boost/config/workaround.hpp
index 7c6a2e62..37638b4b 100644
--- a/include/boost/config/workaround.hpp
+++ b/include/boost/config/workaround.hpp
@@ -254,6 +254,12 @@
 #else
 #define BOOST_INTEL_WORKAROUND_GUARD 0
 #endif
+#ifndef BOOST_CLANG_VERSION
+#define BOOST_CLANG_VERSION_WORKAROUND_GUARD 1
+#else
+#define BOOST_CLANG_VERSION_WORKAROUND_GUARD 0
+#endif
+
 // Always define to zero, if it's used it'll be defined my MPL:
 #define BOOST_MPL_CFG_GCC_WORKAROUND_GUARD 0