How to reliably find the C++11 <array> header?

[Ryan Schmidt]

> On Nov 1, 2014, at 4:39 AM, Thibaut Paumard <thibaut at macports.org> wrote:
> 
> Le 31/10/2014 18:04, Lawrence Velázquez a écrit :
>> On Oct 31, 2014, at 5:45 AM, Thibaut Paumard <thibaut at macports.org> wrote:
>> 
>>> The error message is:
>>> /bin/sh ../libtool  --tag=CXX   --mode=compile /usr/bin/clang++
>>> -DHAVE_CONFIG_H -I. -I.. -I../include  -I../include
>>> -I/opt/local/include/udunits2/  -I/opt/local/include
>>> -DGYOTO_NO_DEPRECATED -D_THREAD_SAFE -pthread
>>> -DGYOTO_PREFIX=\"/opt/local\" -pipe -Os -arch x86_64 -stdlib=libstdc++
>>> -std=gnu++11 -MT Photon.lo -MD -MP -MF .deps/Photon.Tpo -c -o Photon.lo
>>> Photon.C
>>> In file included from Worldline.C:20:
>>> ../include/GyotoWorldline.h:36:11: fatal error: 'array' file not found
>>> # include <array>
>>> 
>>> I don't understand this as the <array> header is part of the C++11
>>> standard and the above command lines includes -std=gnu++11.
>> 
>> The command also specifies "-stdlib=libstdc++". Apple's libstdc++ does not support C++11.
> 
> Thanks to all.
> 
> Then I will shortly start by disabling C++11 based of the value of
> configure.cxx_std_lib. Ideally though I would like setting it instead,
> but how can I test the package on a version of OS X which I don't own?
> Are there porter boxes remotely accessible somewhere?

Nope, there are buildbots but you don't get access to their filesystems or the ability to run arbitrary commands on them, so it's best to find local access to such an operating system.