Peter Eisentraut <peter.eisentr...@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