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qt5: Add an option to select default platform

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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.

[Thomas: slightly improve Config.in help text, from the suggestions
given by Yann E. Morin.]

Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Jérôme Pouiller 2014-07-16 17:58:51 +02:00 committed by Thomas Petazzoni
parent 50f8fbbf05
commit 3a0229c3c3
2 changed files with 14 additions and 0 deletions
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11
package/qt5/qt5base/Config.in
View File

@ -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
applications (e.g xcb, linuxfb, eglfs, ...). If this is empty, the
default for your architecture will be used (usually this is eglfs).
You can get a list of supported platforms by running a Qt application
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

3
package/qt5/qt5base/qt5base.mk
View File

@ -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