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From: Csaba Raduly <rcsaba AT gmail DOT com>
Date: Thu, 6 Sep 2018 11:17:02 +0200
Message-ID: <CAEhDDbBXkc-8t3qZ5fK0O6=FZ4kwFJ-SHbUs9wC5hBYENAyKMQ@mail.gmail.com>
Subject: Re: Why does -std=c++11 hide certain function calls
To: cygwin list <cygwin AT cygwin DOT com>
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Hi John,

On Thu, Sep 6, 2018 at 8:45 AM, John Selbie  wrote:
> Ahhhh…. that was my mistake.  I had erroneously assumed that not specifying
> -std would result in the oldest version of C++.

This depends on the compiler. For a long time, the default C++ dialect
used by both GCC and clang was C++98.
Since GCC 6.0 and clang 6.0.0, the default C++ dialect is now C++14

https://gcc.gnu.org/gcc-6/changes.html
https://isocpp.org/blog/2018/03/clang-6.0.0-released


Csaba
-- 
You can get very substantial performance improvements
by not doing the right thing. - Scott Meyers, An Effective C++11/14 Sampler
So if you're looking for a completely portable, 100% standards-conformat way
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