[cairo] How to build with Qt5 support?

[Adrian Johnson]

On 06/04/16 00:41, Kota Weaver wrote:
> Hello,
> 
> I'm trying to compile Cairo with Qt5. I have both Qt4 and Qt5 on my
> system, and when I try using the --enable-qt flag with autogen.sh it
> ends up using Qt4 instead. I figure I can probably do a sed and replace
> s/qt4/qt5/g after the autogen.sh, but of course this doesn't seem like
> the right way to approach this.

configure.ac is looking for the "QtGui" pkg-config. On my system with
qt4 and 5 installed:

$ pkg-config --modversion QtGui
4.8.6
$ pkg-config --modversion Qt5Gui
5.3.2

We probably need to add --enable-qt4 and --enable-qt5 options to allow
selecting a specific version.

I suggest first testing if cairo works with Qt5 by changing QtGui in
configure.ac to Qt5Gui.

> 
> Any thoughts?
> 
> Thank you
> Kota Weaver
> 
>