[Buildroot] [PATCH] qt5: Add an option to select default platform

Yann E. MORIN yann.morin.1998 at free.fr
Tue Jul 15 20:30:22 UTC 2014


Jérôme, All,

On 2014-07-07 09:58 +0200, Jérôme Pouiller spake thusly:
> On Friday 04 July 2014 22:03:09 Arnout Vandecappelle wrote:
> > On 04/07/14 11:36, Jérôme Pouiller wrote:
> > > Whithout this path, default platform is automaticaly set (generally
> > > set to "eglfs" as defined in
> > > qt5base/mkspecs/devices/common/linux_device_pre.conf:1). This choice
> > > is not always what the user would like. Thus, user have to manually
> > > appends "-platform <BACKEND>" to command line when running any qt5
> > > application.
> > > 
> > > This patch allows user to choose default platform explicitly.
> > > 
> > > Signed-off-by: Jérôme Pouiller <jezz at sysmic.org>
> > > ---
> > > 
> > >  package/qt5/qt5base/Config.in  | 43
> > >  ++++++++++++++++++++++++++++++++++++++++++
> > >  package/qt5/qt5base/qt5base.mk |  6 ++++++
> > >  2 files changed, 49 insertions(+)
> > > 
> > > diff --git a/package/qt5/qt5base/Config.in b/package/qt5/qt5base/Config.in
> > > index 70ddcd3..5fa7c02 100644
> > > --- a/package/qt5/qt5base/Config.in
> > > +++ b/package/qt5/qt5base/Config.in
> > > @@ -144,6 +144,49 @@ config BR2_PACKAGE_QT5BASE_EGLFS
> > > 
> > >  comment "eglfs backend available if OpenGLES and EGL are enabled"
> > >  
> > >  	depends on !BR2_PACKAGE_HAS_LIBEGL || !BR2_PACKAGE_HAS_LIBGLES
> > > 
> > > +choice
> > > +	prompt "default graphical platform"
> > > +	default BR2_PACKAGE_QT5BASE_DEFAULT_QPA_MINIMAL
> > 
> >  I wonder if it is really worthwhile to make this a choice. That means that
> > whenever a new platform is added (wayland, vnc, ...) we have to update the
> > choice. And one could imagine a user implementing their own QPA plugin...
> > 
> >  So I would propose to make this a string, default to empty, and when it's
> > empty don't pass the -qpa option.
> I have no opinion on that. If nobody has any arguments against, I am going to 
> implement this idea.

Yes, I concur with Arnout: that would be a better solution.

Regards,
Yann E. MORIN.

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