* Have clang and libc++ working.
If any clang users run into problems, remember to have libc++ and libc++abi set up.
Fixes
stepmania/src/arch/ArchHooks/ArchHooks.h:37:27: error:
variable has incomplete type 'tm'
virtual void SetTime( tm ) { }
^
/usr/include/wchar.h:83:8: note: forward declaration of 'tm'
struct tm;
^
* Add noexcept to swap.
See https://github.com/stepmania/stepmania/commit/e860773799f01d02f281c8c39421e7e34658788d#commitcomment-32674320
* Use standard c++11 for handling unexpected exceptions
The cxxabi.h header can make linking difficult.
Martin Kröning