* [Buildroot] Qt5 and display
2016-04-30 20:07 ` Peter Korsgaard
@ 2016-05-01 15:00 ` Marco Trapanese
0 siblings, 0 replies; 3+ messages in thread
From: Marco Trapanese @ 2016-05-01 15:00 UTC (permalink / raw)
To: buildroot
Hi,
I compiled Qt5 in Buildroot 2016.05-git-01124-g70fc85f-dirty with both
X11 and eglfs support, because I would like to try both.
Console application runs fine, but when I launch a visual application
(i.e. qml) I get:
> Could not open display
Currently I have no X server running so I'm launching my application
with -platform eglfs
exporting QT_DEBUG_PLUGINS=1 leads to this output:
> QML debugging is enabled. Only use this in a safe environment.
> QFactoryLoader::QFactoryLoader() checking directory path
> "/usr/lib/qt/plugins/platforms" ...
> QFactoryLoader::QFactoryLoader() looking at
> "/usr/lib/qt/plugins/platforms/libqeglfs.so"
> Found metadata in lib /usr/lib/qt/plugins/platforms/libqeglfs.so,
> metadata=
> {
> "IID":
> "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
> "MetaData": {
> "Keys": [
> "eglfs"
> ]
> },
> "className": "QEglFSIntegrationPlugin",
> "debug": false,
> "version": 329216
> }
>
>
> Got keys from plugin meta data ("eglfs")
> QFactoryLoader::QFactoryLoader() looking at
> "/usr/lib/qt/plugins/platforms/libqminimal.so"
> Found metadata in lib /usr/lib/qt/plugins/platforms/libqminimal.so,
> metadata=
> {
> "IID":
> "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
> "MetaData": {
> "Keys": [
> "minimal"
> ]
> },
> "className": "QMinimalIntegrationPlugin",
> "debug": false,
> "version": 329216
> }
>
>
> Got keys from plugin meta data ("minimal")
> QFactoryLoader::QFactoryLoader() looking at
> "/usr/lib/qt/plugins/platforms/libqminimalegl.so"
> Found metadata in lib /usr/lib/qt/plugins/platforms/libqminimalegl.so,
> metadata=
> {
> "IID":
> "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
> "MetaData": {
> "Keys": [
> "minimalegl"
> ]
> },
> "className": "QMinimalEglIntegrationPlugin",
> "debug": false,
> "version": 329216
> }
>
>
> Got keys from plugin meta data ("minimalegl")
> QFactoryLoader::QFactoryLoader() looking at
> "/usr/lib/qt/plugins/platforms/libqoffscreen.so"
> Found metadata in lib /usr/lib/qt/plugins/platforms/libqoffscreen.so,
> metadata=
> {
> "IID":
> "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
> "MetaData": {
> "Keys": [
> "offscreen"
> ]
> },
> "className": "QOffscreenIntegrationPlugin",
> "debug": false,
> "version": 329216
> }
>
>
> Got keys from plugin meta data ("offscreen")
> QFactoryLoader::QFactoryLoader() looking at
> "/usr/lib/qt/plugins/platforms/libqxcb.so"
> Found metadata in lib /usr/lib/qt/plugins/platforms/libqxcb.so, metadata=
> {
> "IID":
> "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
> "MetaData": {
> "Keys": [
> "xcb"
> ]
> },
> "className": "QXcbIntegrationPlugin",
> "debug": false,
> "version": 329216
> }
>
>
> Got keys from plugin meta data ("xcb")
> QFactoryLoader::QFactoryLoader() checking directory path
> "/opt/QmlTest/bin/platforms" ...
> loaded library "/usr/lib/qt/plugins/platforms/libqeglfs.so"
> QFactoryLoader::QFactoryLoader() checking directory path
> "/usr/lib/qt/plugins/egldeviceintegrations" ...
> QFactoryLoader::QFactoryLoader() looking at
> "/usr/lib/qt/plugins/egldeviceintegrations/libqeglfs-x11-integration.so"
> Found metadata in lib
> /usr/lib/qt/plugins/egldeviceintegrations/libqeglfs-x11-integration.so, metadata=
> {
> "IID":
> "org.qt-project.qt.qpa.egl.QEGLDeviceIntegrationFactoryInterface.5.5",
> "MetaData": {
> "Keys": [
> "eglfs_x11"
> ]
> },
> "className": "QEglFSX11IntegrationPlugin",
> "debug": false,
> "version": 329216
> }
>
>
> Got keys from plugin meta data ("eglfs_x11")
> QFactoryLoader::QFactoryLoader() checking directory path
> "/opt/QmlTest/bin/egldeviceintegrations" ...
> loaded library
> "/usr/lib/qt/plugins/egldeviceintegrations/libqeglfs-x11-integration.so"
> Could not open display
> Aborted
> Application finished with exit code 134.
I never had this kind of problem with all previous Buildroot
environments I compiled.
This is due to my configuration? I attach the .config file.
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