Re: [boost] [type_traits] is_enum on scoped enums doesn't works as expected

Subject: Re: [boost] [type_traits] is_enum on scoped enums doesn't works as expected
From: Vicente Botet (vicente.botet_at_[hidden])
Date: 2011-08-25 07:23:12

Michel MORIN wrote:
> 
> Vicente J. Botet Escriba wrote:
>> Which is the default library when buildding with Boost.Build (bjam) and
>> clang 2.9 c++0x?
> 
> I think it depends on how clang is built and Boost.Build is not relevant
> here.
> 
> In my setting, clang uses libstdc++ of gcc-4.2 which does not support
> C++0x.
> IIRC, clang does not support newer versions of libstdc++.
> So, to use the C++0x's standard library, you need
> libc++ (http://libcxx.llvm.org/).
> Clang uses libc++ if you pass "-stdlib=libc++" to the compiler.
> 
> FYI, the code (with modification of `boost::is_enum` to `std::is_enum`)
> compiles fine with clang and libc++.
> 
> 

Hi,

thanks for the information. 

I will add whatever is needed for the library selection when compiling in
C++0x mode and see how boost::is_enum behaves to try to understand why
boost::is_enum is not working, as is not using the std::is_enum, but IIRC an
intrinsic.

Thanks again,
Vicente

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