Index: boost/units/detail/utility.hpp
===================================================================
--- boost/units/detail/utility.hpp	(revision 73527)
+++ boost/units/detail/utility.hpp	(working copy)
@@ -15,10 +15,17 @@
 #include <typeinfo>
 #include <string>
 
-#if defined(__GLIBCXX__) || defined(__GLIBCPP__)
-#define BOOST_UNITS_USE_DEMANGLING
-#include <cxxabi.h>
-#endif // __GNUC__
+#if defined(__has_include)
+    #if __has_include(<cxxabi.h>)
+    #define BOOST_UNITS_USE_DEMANGLING
+    #include <cxxabi.h>
+    #endif // __clang__
+#else
+    #if defined(__GLIBCXX__) || defined(__GLIBCPP__)
+    #define BOOST_UNITS_USE_DEMANGLING
+    #include <cxxabi.h>
+    #endif // __GNUC__
+#endif
 
 #ifdef BOOST_UNITS_USE_DEMANGLING