Re: [Boost-users] Context and coroutine for ARM

Sorry about my previous post, it should be irrelevant here since you tried to compile `execution_context.cpp` by calling GCC directly in the shell and still failed. Still not clear why `b2` believes many of C++11 features are absent and why std::exception_ptr is not recognized though..

On 13 May 2017, at 22:21, d25fe0be@outlook.com wrote:

Since you're using GCC 6.3, which defaults to -std=c++14, specifying -std=c++11 explicitly should not be necessary.

But what's shown by `b2` in your previous post (http://sprunge.us/hMVe) suggests many of C++11 features are not supported by your compiler ('Boost.Config Feature Check: cxx11_..: no').

So I think you may want to check which compiler is called by `b2`, there may be some other old compiler being called.

...

On 13 May 2017, at 21:17, Daniel Estermann via Boost-users wrote:

No matter if I add -std=c++11 to the flags, I still get the error message: http://sprunge.us/gSXb This is my compiler's configuration: http://sprunge.us/iaWZ I'm not sure how to check why C++11 code is used though.

2017-05-13 15:02 GMT+02:00 Oliver Kowalke via Boost-users : exception_ptr is part of C++11 but not used in boost.coroutine (and the fcontext-API of boost.context) - you could apply -std=c++11(cxxflags) or check why C++11 code is used

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