On Tue, Apr 8, 2014 at 2:41 PM, Joshua Root wrote:
> On 2014-4-8 22:35 , Ryan Schmidt wrote:
>> On Apr 8, 2014, at 07:34, Chris Jones wrote:
>>
>>>>> PS: It's not an issue of me personally upgrading the OS. I'll do that
>>>>> sooner or later. But it would be slightly suboptimal if the port only
>>>>> worked on 10.9.
>>>
>>> As a general point, I agree, only OSX10.9 has full c++11 support. However,
>>> upstream claim to be targeting 10.8 and 10.9, so I would hope it would work
>>> on OSX10.8 as well (to be tested sometime, by someone who has access to a
>>> 10.8 machine). Whilst not ideal, I think this is reasonable coverage (given
>>> root5 will remain available for all versions).
>>
>> Well, libc++ (with full C++11 support) is included in 10.8, it’s just not
>> the default. As long as root doesn’t use any other libraries, it should
>> build fine with that, if you instruct it to. But then any other software
>> that wants to use root would have to do that as well.
>
> Indeed, if you can get around the issues with using a non-default
> runtime on 10.8, then that should transfer pretty easily to 10.7 and
> 10.6 as well.
OK, the following works for a simple test file (on the source code
that originally fails when compiling ROOT with clang++-mp-3.4):
> clang++-mp-3.4 -std=c++11 -stdlib=libc++ test.cpp -o test
> otool -L test
test:
/usr/lib/libc++.1.dylib (compatibility version 1.0.0, current
version 28.4.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 159.1.0)
I'll see if I can manage to build the whole ROOT 6 with -stdlib=libc++
(without referencing any other piece from MacPorts). But that probably
means that I shouldn't use OpenGL from the system, right?
> otool -L /System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL
...
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
version 52.0.0)
..
Mojca
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