[Interest] CONFIG c++2a vs. QMAKE_CXXFLAGS += -std=c++2a

Bernhard Lindner private at bernhard-lindner.de
Wed May 6 21:01:58 CEST 2020


Ok, I see. Thanks a lot Thiago!

Is this documented somewhere?

> > Can somebody please explain the difference between t
> > he following QMAKE
> > project lines when building a GCC project:
> > 
> > CONFIG += c++2a
> > 
> > QMAKE_CXXFLAGS += -std=c++2a
> > 
> > I expected both to have the same effect but there must be a difference since
> > the latter gives me compilation errors while the first does not.
> 
> The latter is equivalent to:
> 
> CONFIG += c++2a strict_c++

-- 
Best Regards,
Bernhard Lindner



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