Re: [boost] Libraries and C++ compliance

Subject: Re: [boost] Libraries and C++ compliance
From: Niall Douglas (s_sourceforge_at_[hidden])
Date: 2017-04-10 14:54:26

>> As a side note I would really like to see libraries, which are
>> tailored for Boost, use the Boost Config C++ feature testing macros
>> to put out preprocessor #error messages when a feature that it
>> needs is not supported during compilation, rather than letting the
>> compiler simply fail because the construct in code cannot be parsed
>> at the C++ conformance level the code expects.
> 
> This should happen during configure step, so that the user gets an
> error before even building the library.

A library's headers may have much lower demands on the C++ version than
the source code.

So your headers should still do feature checking and #error out.

Niall

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