Re: [HACKERS] static assertions in C++

On 12/20/17 10:51, Tom Lane wrote:
> 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.

committed

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services