ECM and QNX

[Nicolás Alvarez]

2014-10-18 15:28 GMT-03:00 Alex Merry <alex.merry at kde.org>:
> On Thursday 09 October 2014 13:59:56 Rafael Roquetto wrote:
>> Hello,
>>
>> KDECompilerSettings.cmake:176 adds -std=c++0x to CMAKE_CXX_FLAGS for GNU
>> compilers. Would it be possible to pass -std=gnu++0x instead?
>>
>> Rationale:
>>   The underlying GCC is v4.4, which doesn't know -std=c++11
>>   yet, only c++0x.
>>
>>   We can't use -std=c++0x here, because the QNX headers
>>   depend on some GNU extensions (nanosleep() was one that I
>>   saw), so it has to be gnu++0x, ie. STD C++ + GNU extensions.
>>
>>
>> I am not sure what's the best way to detect a QNX compiler, I am no CMake
>> expert.
>
> Well, the KDE Frameworks, and hence the applications built on them -- the main
> users of KDECompilerSettings.cmake -- don't officially support gcc prior to
> 4.5. So you may well find that you run into problems due to missing features
> in the compiler.

4.5 doesn't support -std=c++11 either.

-- 
Nicolás