[PATCH] Set -std=c++11 flag for g++

[Dirk Hohndel]

> On Jun 22, 2016, at 2:49 PM, Thiago Macieira <thiago at macieira.org> wrote:
> 
> On quarta-feira, 22 de junho de 2016 22:47:23 PDT Anton Lundin wrote:
>> @@ -73,6 +73,7 @@ elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
>>        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 ")
>> elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
>>        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
>> +       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
>> elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
> 
> You want to set it for AppleClang and Intel branches too. Do we support 
> building with MSVC at all?

No. MinGW, gcc and clang

> Also note that GCC 6 defaults to C++14, so effectively this change 
> "downgrades" the default support. But that might be a good idea, to make 
> people using the latest GCC not add features that older compilers can't grok.

yes.

/D