[Buildroot] [PATCH v2] qt5: Add an option to select default platform

[Yann E. MORIN <yann.morin.1998@free.fr>]

J?r?me, All,

On 2014-07-16 17:58 +0200, J?r?me Pouiller spake thusly:
> 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: J?r?me Pouiller <jezz@sysmic.org>

Two very small nit-picks, below. Otherwise:

Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

> ---
> v2:
>   * Use a string instead of a choice
>   * Improve help message
> 
> 
>  package/qt5/qt5base/Config.in  | 11 +++++++++++
>  package/qt5/qt5base/qt5base.mk |  3 +++
>  2 files changed, 14 insertions(+)
> 
> diff --git a/package/qt5/qt5base/Config.in b/package/qt5/qt5base/Config.in
> index 24e5902..632711c 100644
> --- a/package/qt5/qt5base/Config.in
> +++ b/package/qt5/qt5base/Config.in
> @@ -144,6 +144,17 @@ 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
>  
> +config BR2_PACKAGE_QT5BASE_DEFAULT_QPA
> +	string "Default graphical platform"
> +	help
> +	  Choose the default platform abstraction to use for graphical
> +	  application (e.g xcb, linuxfb, eglfs, ...). If this is empty, the

applications <- plural, no?

> +	  default for your architecture will be used (usually this is eglfs).
> +
> +	  You can get a list of supported platform by running a Qt application

platforms  <- plural, too, no?

Regards,
Yann E. MORIN.

> +	  with the option "-platform help" on your target. You can choose a
> +	  different platform at runtime with the -platform option.
> +
>  config BR2_PACKAGE_QT5BASE_PRINTSUPPORT
>  	bool "print support module"
>  	select BR2_PACKAGE_QT5BASE_WIDGETS
> diff --git a/package/qt5/qt5base/qt5base.mk b/package/qt5/qt5base/qt5base.mk
> index 618251e..fecde13 100644
> --- a/package/qt5/qt5base/qt5base.mk
> +++ b/package/qt5/qt5base/qt5base.mk
> @@ -96,6 +96,9 @@ else
>  QT5BASE_CONFIGURE_OPTS += -no-xcb
>  endif
>  
> +QT5BASE_DEFAULT_QPA = $(call qstrip,$(BR2_PACKAGE_QT5BASE_DEFAULT_QPA))
> +QT5BASE_CONFIGURE_OPTS += $(if $(QT5BASE_DEFAULT_QPA),-qpa $(QT5BASE_DEFAULT_QPA))
> +
>  ifeq ($(BR2_PACKAGE_QT5BASE_EGLFS),y)
>  QT5BASE_CONFIGURE_OPTS += -opengl es2 -eglfs
>  QT5BASE_DEPENDENCIES   += libgles libegl
> -- 
> 2.0.1
> 

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