D24841: Use modern way to set the C/CXX standad

[David Faure]

dfaure requested changes to this revision.
dfaure added inline comments.
This revision now requires changes to proceed.

INLINE COMMENTS

> KDECompilerSettings.cmake:208
> +set(CMAKE_C_STANDARD 90)
> +set(CMAKE_CXX_STANDARD_REQUIRED 11)
>  

That's not how it works.
You want

  set(CMAKE_CXX_STANDARD 11)
  set(CMAKE_CXX_STANDARD_REQUIRED TRUE)

Note however that these require CMake >= 3.1, while ECM says `cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)`. I do however thing that ECM *should* require 3.1.
I doubt it's been tested on 2.8.x in ages, and 3.1 is really a common requirement these days.

REPOSITORY
  R240 Extra CMake Modules

REVISION DETAIL
  https://phabricator.kde.org/D24841

To: vonreth, dfaure, cullmann
Cc: chehrlic, kde-frameworks-devel, kde-buildsystem, LeGast00n, GB_2, bencreasy, michaelh, ngraham, bruns
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