Re: requiring c++11 on icu?

[maya%netbsd.org@localhost]

On Wed, Jul 18, 2018 at 11:57:38PM +0000, coypu%sdf.org@localhost wrote:
> there is already GCC_REQD+=4.8
> it doesn't build when built for older C++ standards, e.g.:
> https://nyftp.netbsd.org/pub/pkgsrc/packages/reports/2018Q2/NetBSD-6.0-x86_64/20180716.1407/icu-61.1/build.log
> 
> that can probably be patched, but since we already require a
> compiler that accepts -std=gnu++11, why not avoid the patch?
> 
> (the rest are not seeing it because newer compiler versions default to
> c++11)

Now I'm having second thoughts on it.
pkgsrc GCC libstdc++ is the default build (with backwards compatible
libstdc++), so that should mean C++11 code is binary incompatible with
older standards, or something.