Re: [HACKERS] static assertions in C++

Peter Eisentraut <peter.eisentraut@2ndquadrant.com> writes:
> On 12/20/17 00:57, Tom Lane wrote:
>> I do not have a well-informed opinion on whether
>> #if defined(__cpp_static_assert) && __cpp_static_assert >= 200410
>> is an appropriate test for static_assert() being available, but I'm
>> pretty suspicious of it because none of my C++ compilers seem to
>> take that path, not even recent stuff like clang 9.0.0.

> For clang, you apparently need to pass -std=c++11 or higher.  With g++
> >=6, that's the default.

Ah.  I did try -std=c++0x on one machine, but forgot to do so with
the newer clang.  That does seem to make it take the static_assert
path on recent macOS.

            regards, tom lane