From 8e0c1c6845889e5059e5cbd311defe57a2624401 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Sun, 8 Jun 2014 02:22:19 +0300
Subject: [PATCH] Enable demangling on clang with libc++.

---
 include/boost/core/demangle.hpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/boost/core/demangle.hpp b/include/boost/core/demangle.hpp
index 0ceca6b..556ebb3 100644
--- a/include/boost/core/demangle.hpp
+++ b/include/boost/core/demangle.hpp
@@ -18,11 +18,18 @@
 #include <boost/config.hpp>
 #include <string>
 
-#if defined(__GLIBCXX__) || defined(__GLIBCPP__)
+#if defined( __clang__ ) && defined( __has_include )
+# if __has_include(<cxxabi.h>)
+#  define BOOST_CORE_HAS_CXXABI_H
+# endif
+#elif defined( __GLIBCXX__ ) || defined( __GLIBCPP__ )
+# define BOOST_CORE_HAS_CXXABI_H
+#endif
+
+#if defined( BOOST_CORE_HAS_CXXABI_H )
 # include <cxxabi.h>
 # include <cstdlib>
 # include <cstddef>
-# define BOOST_CORE_HAS_CXXABI_H
 #endif
 
 namespace boost