Review Request 125236: FindQt4: Use CHECK_CXX_SYMBOL_EXISTS instead of CHECK_C_SYMBOL_EXISTS.

[Raphael Kubo da Costa]

> On Sept. 17, 2015, 1:01 p.m., Alex Merry wrote:
> > This change is a correct one to make, but I've slightly lost track of the kdelibs release policy.
> > 
> > This patch isn't fixing an issue anyone is actually hitting, right? And it's not like qglobal.h in Qt 4 is going to have any significant changes made to it. So it's possible this doesn't pass the threshold of bug fixes for kdelibs, which is permanently frozen to some degree.

> This patch isn't fixing an issue anyone is actually hitting, right?

I was going to say we had to do it downstream for FreeBSD because the oldest supported release can end up using clang with a very old libstdc++ without C++11 support, but since then I've managed to put all the required changes in our Qt package :-)


- Raphael


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On Sept. 15, 2015, 11:59 a.m., Raphael Kubo da Costa wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/125236/
> -----------------------------------------------------------
> 
> (Updated Sept. 15, 2015, 11:59 a.m.)
> 
> 
> Review request for Build System and kdelibs.
> 
> 
> Repository: kdelibs
> 
> 
> Description
> -------
> 
> Backport upstream CMake commit de30173d ("Remove C compiler requirement
> from FindQt4.cmake") from 2011 so that we check for symbols such as the
> Q_WS_* ones with a C++ compiler instead of a C one.
> 
> 
> Diffs
> -----
> 
>   cmake/modules/FindQt4.cmake e439a72f82c51758830b057b368407e11a6a541e 
> 
> Diff: https://git.reviewboard.kde.org/r/125236/diff/
> 
> 
> Testing
> -------
> 
> Adding something C++-specific to qglobal.h (e.g. `#include <ciso646>`)
> works and the right flags are still detected.
> 
> 
> Thanks,
> 
> Raphael Kubo da Costa
> 
>

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