Index: boost/units/detail/utility.hpp
===================================================================
--- boost/units/detail/utility.hpp	(revision 73307)
+++ boost/units/detail/utility.hpp	(working copy)
@@ -15,7 +15,7 @@
 #include <typeinfo>
 #include <string>
 
-#if defined(__GLIBCXX__) || defined(__GLIBCPP__)
+#if defined(__GLIBCXX__) || defined(__GLIBCPP__) || defined(_LIBCPP_VERSION)
 #define BOOST_UNITS_USE_DEMANGLING
 #include <cxxabi.h>
 #endif // __GNUC__