[Qt-creator] Planning Qt Creator 2.8 + 0.1

[Ziller Eike]

On 13.06.2013, at 17:11, Teske Daniel <Daniel.Teske at digia.com> wrote:

>> 6. Use of C++11. There are quite a few goodies in the language nowadays
>> that look very interesting. We should identify a few ones that would really
>> help us, and double check with the compilers we need to support which
>> ones we could actually use, and then decide on whether we should, or not.
>> For that, input on which compilers people actually use, and which they
>> really need to use to compile Creator would be beneficial.
> 
> To start the discussion on that, see http://wiki.apache.org/stdcxx/C++0xCompilerSupport for an idea of which compilers support which feature.
> Both g++ 4.8 and clang 3.3 support all of c++11, the Microsoft compiler lacks quite a bit. (Btw, cl 11.0 == VS2012, cl 10 == VS2010).
> 
> Does anyone use any other compiler to compile Creator? 
> If so, you should speak up now.
> 
>> From that table it is also pretty clear that the main limiting factor is Visual Studio.
> If we set the minimum supported version at Visual Studio 2008, then we can't make use of any C++11 features. 
> 
> If we move the minimum version to Visual Studio 2010,  then the following features are supported (straight from the table):
> auto (g++ 4.4; clang 2.9)
> decltype (g++ 4.3, clang 2.9)
> lambda (g++ 4.5, clang 3.1)
> Local and Unnamed Types as Template Arguments (g++ 4.5, clang 2.9)
> New function declaration syntax for deduced return types (g++ 4.4, clang 2.9)
> nullptr (g++ 4.6, clang 2.9)
> r-Value References, std::move (g++ 4.5, clang 2.9)
> static_assert (g++ 4.3, clang 2.9)
> 
> clang 2.9 was released 7.4.2011
> clang 3.1 was released 22.5.2012
> 
> g++ 4.6  was released 25.3.2011 
> 
> I think we can't yet require Visual Studio 2012, so that leaves us imho with two options:
> Minimum version: VS2010, clang 2.9, g++ 4.6 => auto, decltype, r-value, static_assert
> or
> Minimum version: VS2010, clang 3.1, g++4.6 => the above + lambda

Mac OS 10.7 + later have Xcode 4.6.3 which comes with "Apple LLVM version 4.2 (clang-425.0.28) (based on LLVM 3.2svn)"

> I vastly prefer the second one.
> 
> daniel
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-- 
Eike Ziller, Senior Software Engineer - Digia, Qt
 
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