[Development] Raising the minimum Core Language to C++14 for Linux/XCB

Thiago Macieira thiago.macieira at intel.com
Sat Jul 14 16:23:01 CEST 2018

On Thursday, 5 July 2018 12:53:14 PDT Thiago Macieira wrote:
> On Mac, we kinda already require that. I'm asking to raise the minimum for
> the regular Linux builds to C++14. Specifically, I'm asking for the "auto"
> functions without trailing return type and relaxed constexpr.
> Currently, our minimum supported GCC version is 4.7 (on QNX only) and 4.8
> elsewhere. That would raise the minimum on Linux to GCC 5, as per:
> 	https://gcc.gnu.org/projects/cxx-status.html#cxx14
> That's a 3-year-old compiler, four releases out of date, present in the
> main, binary Linux distros since:
> 	Ubuntu 15.10		[2015]
> 	Fedora 22		[2015]
> 	Debian 9 (Stretch)	[2017]
> 	openSUSE Leap 15 [2018]
> Note that this does not apply to QNX or Android, so C++14 features would not
> be allowed in cross-platform code.
> But we'd be able to use it in the XCB plugin. [Does QNX build that?]

There has been no reply on this subject. Shall I assume silence is consent and 
we can begin using C++14 constructs in the XCB plugin?

Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center

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