id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
6773,Add cxxabi.h detection code for clang in boost/units/detail/utility.hpp,Michel Morin,Jürgen Hunold,"`boost::units::detail::demangle` does not demangle names on clang with libc++ even when `cxxabi.h` is available. 
Attached a patch to add `cxxabi.h` detection code for clang. 
This allows `boost::units::detail::demangle` to use `abi::__cxa_demangle` on clang when `cxxabi.h` is available. 

The patch uses clang's `__has_include` macro to detect `cxxabi.h`. 
This macro checks the existence of a header file. 
For reference, here is the link to `__has_include` documentation: 
http://clang.llvm.org/docs/LanguageExtensions.html#has_include",Patches,closed,Boost 1.57.0,units,Boost Development Trunk,Problem,fixed,,