Re: Issue 5368: Reduce allocations in Grob dimension caching (issue 359770043 by address@hidden)

[Hans Åberg]

> On 8 Jul 2018, at 08:00, Werner LEMBERG <address@hidden> wrote:
> 
> 
>>> I disagree.  The proper way is to test various C++11 features to
>>> check whether a compiler really supports this standard.  The macro
>>> AX_CXX_COMPILE_STDCXX does such checks, BTW.
>> 
>> Full C++11 support was first in GCC 4.8.1, see:
>>  https://gcc.gnu.org/projects/cxx-status.html
> 
> The promise `full C++11 support' is not always correct due to bugs,
> thus the various tests in the above M4 macro.

If you try GCC version close to the C++11 standard, it might be good for you to 
try that macro then. I have just switched to g++8, and the C++14 and C++17 
standards have lesser amount of additions and support came quickly.