[Buildroot] QT5.8 buid failure on master

[Peter Seiderer]

Hello Gary,

> Gesendet: Dienstag, 07. März 2017 um 12:48 Uhr
> Von: "Gary Bisson" <gary.bisson at boundarydevices.com>
> An: "Peter Seiderer" <ps.report at gmx.net>
> Cc: "Fabio Estevam" <festevam at gmail.com>, "Jagan Teki" <jagannadh.teki at gmail.com>, buildroot at buildroot.org
> Betreff: Re: QT5.8 buid failure on master
>
> Hi Peter,
> 
> On Tue, Mar 07, 2017 at 08:33:14AM +0100, Peter Seiderer wrote:
> > Hallo Fabio,
> > 
> > > Gesendet: Montag, 06. März 2017 um 23:41 Uhr
> > > Von: "Fabio Estevam" <festevam at gmail.com>
> > > An: "Peter Seiderer" <ps.report at gmx.net>
> > > Cc: "Jagan Teki" <jagannadh.teki at gmail.com>, "Gary Bisson" <gary.bisson at boundarydevices.com>, buildroot at buildroot.org
> > > Betreff: QT5.8 buid failure on master
> > >
> > > Hi,
> > > 
> > > Trying to Build QT5.8 with Buildroot master tree causes the following error:
> > > 
> > > /home/fabio/buildroot/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabihf-g++
> > > -c -pipe -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
> > > -D_FILE_OFFSET_BITS=64 -Os
> > > --sysroot=/home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot
> > > -O2 -O3 -std=c++1z -fvisibility=hidden -fvisibility-inlines-hidden
> > > -fno-exceptions -Wall -W -Wvla -Wdate-time -D_REENTRANT -fPIC
> > > -DQT_EGL_NO_X11 -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE
> > > -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_PLUGIN
> > > -DQT_EVENTDISPATCHER_SUPPORT_LIB -DQT_FONTDATABASE_SUPPORT_LIB
> > > -DQT_EGL_SUPPORT_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I.
> > > -I/home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include
> > > -I../../../../include -I../../../../include/QtEventDispatcherSupport
> > > -I../../../../include/QtEventDispatcherSupport/5.8.0
> > > -I../../../../include/QtEventDispatcherSupport/5.8.0/QtEventDispatcherSupport
> > > -I../../../../include/QtFontDatabaseSupport
> > > -I../../../../include/QtFontDatabaseSupport/5.8.0
> > > -I../../../../include/QtFontDatabaseSupport/5.8.0/QtFontDatabaseSupport
> > > -I../../../../include/QtEglSupport
> > > -I../../../../include/QtEglSupport/5.8.0
> > > -I../../../../include/QtEglSupport/5.8.0/QtEglSupport
> > > -I../../../../include/QtGui/5.8.0
> > > -I../../../../include/QtGui/5.8.0/QtGui -I../../../../include/QtGui
> > > -I../../../../include/QtCore/5.8.0
> > > -I../../../../include/QtCore/5.8.0/QtCore -I../../../../include/QtCore
> > > -I.moc -I/home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include
> > > -I/home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include/freetype2
> > > -I/home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include
> > > -I/home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include
> > > -I/home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include/freetype2
> > > -I../../../../mkspecs/devices/linux-buildroot-g++ -o
> > > .obj/qminimaleglscreen.o qminimaleglscreen.cpp
> > > In file included from
> > > /home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include/EGL/egl.h:39:0,
> > >                  from
> > > ../../../../include/QtEglSupport/5.8.0/QtEglSupport/private/../../../../../src/platformsupport/eglconvenience/qt_egl_p.h:63,
> > >                  from
> > > ../../../../include/QtEglSupport/5.8.0/QtEglSupport/private/qt_egl_p.h:1,
> > >                  from api/qeglfsglobal_p.h:56,
> > >                  from api/qeglfsintegration_p.h:54,
> > >                  from qeglfsmain.cpp:41:
> > > /home/fabio/buildroot/output/host/usr/arm-buildroot-linux-uclibcgnueabihf/sysroot/usr/include/EGL/eglplatform.h:119:22:
> > > fatal error: X11/Xlib.h: No such file or directory
> > > 
> > > The defconfig used to reproduce the problem is available at:
> > > http://pastebin.com/qmhnNQXs
> > > 
> > 
> > Try to add (untested):
> > 
> > # Avoid X11 header collision, use generic EGL native types
> > DEFINES += QT_EGL_NO_X11
> > 
> > to src/plugins/platforms/eglfs/eglfs-plugin.pro (same as all/many other eglfs related
> > project files do, even eglfs_x11.pro ;-) )...
> 
> Adding that define to eglfs-plugin.pro is sufficient to get qtbase to
> build properly.
> 
> However when I launch the Cinematic demo I get errors that it can't find
> the eglfs_kms device:
> # CinematicExperience-demo -platform eglfs
> qt.qpa.egldeviceintegration: Failed to load EGL device integration
>  "eglfs_kms"
> qt.qpa.egldeviceintegration: Failed to load EGL device integration
>  "eglfs_kms_egldevice"
> ...
> EGL Error : Could not create the egl surface: error = 0x300b
> 

Something like the following (but untested with your .config):

diff --git a/package/qt5/qt5base/qt5base.mk b/package/qt5/qt5base/qt5base.mk
index 7a33573..d3c871c 100644
--- a/package/qt5/qt5base/qt5base.mk
+++ b/package/qt5/qt5base/qt5base.mk
@@ -200,6 +200,7 @@ QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_XML)        += Qt5Xml
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_OPENGL_LIB) += Qt5OpenGL
 ifeq ($(BR2_PACKAGE_QT5_VERSION_LATEST),y)
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_EGLFS)      += Qt5EglFSDeviceIntegration
+QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_EGLFS)      += Qt5EglFsKmsSupport
 else
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_EGLFS)      += Qt5EglDeviceIntegration
 endif

Regards,
Peter

> (note that kmscube is working fine)
> 
> I'm trying to understand how it works in Yocto but something definitely
> needs fixing.
> 
> Regards,
> Gary
>