You can find the known compile features that can be detected at:
http://www.cmake.org/cmake/help/v3.1/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.html

At the end of the compile-features manual page (
http://www.cmake.org/cmake/help/v3.1/manual/cmake-compile-features.7.html
) there is a section on how to mark a library as having conditional
support on C++11 features.


On Wed, Oct 29, 2014 at 12:58 PM, Daniel Schepler
<[email protected]> wrote:
> Where would I find the list of available C++ language features?  For 
> instance, I would suppose there's one for "auto", one for move 
> constructors/assignment operators, and one for "= delete" of default 
> constructors/destructors et al.  These are probably the ones we'd be most 
> interested in here, for the moment.  (Though with our requirements to support 
> older C++ compilers, we might not actually be able to use auto, as the 
> fallback would need the full type anyway.)  Also, is there a portability 
> macro provided for the "= delete" feature?
>
> Also, how would I mark a target so that it activates C++11 features if 
> available, but falls back to old C++ if not?  I do see the section on 
> detecting compiler features, but it's not clear to me how exactly how I'd 
> make the target use CXX_STANDARD 11 only if available.
> --
> Daniel
>
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