[LLVMdev] Using C++'11 language features in LLVM itself

[David Blaikie]

On Tue, Jan 8, 2013 at 8:23 PM, Joshua Cranmer <pidgeot18 at gmail.com> wrote:
> On 1/8/2013 8:30 PM, Chris Lattner wrote:
>>
>> Wow, requiring GCC 4.7 would be really aggressive, it was just released in
>> March 2012. Call me conservative, but I was thinking that a reasonable GCC
>> baseline would be GCC 4.4 or something (which is ~3.5 years old).
>
>
> On considering which versions get you various C++11 goodies, I'd personally
> recommend gcc 4.5 as the baseline: that's when you can start using lambdas
> and atomics (and a few other unicode goodies, but MSVC has yet to support
> those anyways, so the point is fully moot). Anything older than gcc 4.4
> loses you most of the C++11 features. MSVC 2010 as the baseline precludes
> you primarily from the following features:
> * raw, user, unicode string literals
> * enum class [that's 2012]
> * alignment support
> * extra constructor features
> * explicit conversion operators
> * range-based for
> * intializer lists
> * constexpr

variadic templates