[Development] [Interest] C++11 in Qt5

[Stephen Chu]

On 6/13/12 2:59 PM, Stephen Chu wrote:
> On 6/13/12 2:49 PM, bradley.hughes at nokia.com wrote:
>> This is a new error that we also stumbled over today. Essentially, we can't enable C++11 language support in the compiler while the C++ library doesn't provide C++11 headers or features. It's all or nothing.
>
> There are some other errors involving constexpr in some Qt headers too:
> https://bugreports.qt-project.org/browse/QTBUG-25817

I mean when using libc++ with clang 3.1
>
>> To deal with this, we'll have to introduce a way to switch the C++ runtime when building for Mac OS X. The best option to do this is with a new mkspec. I have a commit that needed testing (i.e. I started the compile before I left work today). I'll upload the commits to Gerrit tomorrow.
>>
>
> So basically once C++11 features are enabled, there's no way to deploy
> the built app to OS X 10.6 since there's no libc++ there?
>
> Also we will have to build Qt itself with libc++ linkage since we do
> want the resulting app to link against two different C++ runtime
> libraries. Right?

I mean we *don't* want to link against two different C++ runtime.

Gee. Really need my afternoon coffee now...