Has anyone successfully built Qt from source recently on a Pi?



  • Hello all,

    TLDR: It seems like most forum requests for specific solutions to build from source issues go unanswered. Does anyone have a good solution for building Qt from source for the latest combination of Raspberry Pi 3/Raspbian/Q5.x.x?

    I've been working for a while to build Qt from source on a Pi. I was able to succesfully cross compile using the https://wiki.qt.io/RaspberryPi2EGLFS guide. However, I'm also trying to build PyQt, which I couldn't successfully cross compile and since QMake isn't installed on the Pi during a cross compile of Qt, I can't do a local build of PyQt if I did a cross build of Qt.

    I've tried a few tutorials to attempt to build Qt5.7.1 natively on the Pi. I've got multiple Pi's setup so the 1-2 day build time isn't a big deal for me--if it works. I've tried to simplify my setup as much as possible to rule out any other issues. My setup is as follows:

    I've tried both https://wiki.qt.io/Native_Build_of_Qt5_on_a_Raspberry_Pi and https://wiki.qt.io/Native_Build_of_Qt_5.4.1_on_a_Raspberry_Pi. I've also browsed through some of the QtonPi forum history and it seems like most of the specific build failure requests seem to go unanswered. I'm working through one issue at a time, but now I'm also trying to switch to 5.8.0 to take advantage of some of the fixes to QtQuickControls.

    All of the build procedure guides are very out of date. Is anyone doing this successfully with the newest releases?



  • @andrewg Just so you don't go unanswered again.. :)

    I have built Qt by source a LOT on osx, linux and windows but not on an embedded device like a Pi.

    I'd be happy to help you resolve some errors if I can.

    What are the problems you are running into during the build?



  • This also interests me, as I am planning to develop for raspberry pi.



  • Thanks @ambershark!
    Up to now I've been working on building Qt5.7.1. If you're willing to help me through the build process I'm going to try this with 5.8.0 instead. My feeling is that each combination of Qt + Raspbian + Pi is going to require it's own set of patches, so let's just work with the latest and greatest for now :)

    I'll set up a build tonight and see if there is any low hanging fruit that I can resolve before putting questions to you.



  • @andrewg Sure just post here with whatever issues you run into. Make sure to give me some idea of what you've done already, i.e. your ./configure line and whatever else you change/feel is important. :)



  • I think raspbian comes with qt, not by default, but you can install it easily.



  • @nestorac - That's correct. apt-get has a package for Qt. I believe it is Qt 5.3. For my application I know that I'll need features that have been more recently introduced, but if you don't have those requirements the apt-get route will be much easier.

    @ambershark - I made some good progress on this, but still came up short. To keep things simple I tried to stick to the following guide as close as possible: https://wiki.qt.io/Native_Build_of_Qt_5.4.1_on_a_Raspberry_Pi
    I'm using the qt-everywhere-opensource-src-5.8.0 source package. I also skipped the whole part about building on a flash drive since I'm not in a time crunch. This means I'm doing everything on the local SD card and I didn't add the extra swap file, but I'm also only running a single thread for the make step (not using the -j3 argument).

    On the first pass the build failed with the error "Project ERROR: Library 'libpng' is not defined." Some googling pointed me to this bug report which seems somewhat related: https://bugreports.qt.io/browse/QTBUG-57794. It seems like the issue is that the build process can't find my system libpng. I'm not too particular about where libpng comes from so I used the option to use Qt libpng. I started over with the same configure script and added the argument -qt-libpng at the end.

    The second pass failed trying to link canbusutil. The error message is below. I'll need serial bus functionality for my application so I'm not as comfortable adding configure options to alter how it builds. Do you have any ideas as to why these references are incorrect? Let me know if you need any more information.

    /usr/bin/g++ -Wl,-rpath-link,/opt/vc/lib -Wl,-rpath-link,/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/lib/arm-linux-gnueabihf -mfloat-abi=hard -Wl,--gc-sections -Wl,-O1 -Wl,--enable-new-dtags -Wl,-z,origin -Wl,-rpath,$ORIGIN/../lib -Wl,-rpath-link,/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/lib -Wl,-rpath-link,/home/pi/qt-everywhere-opensource-src-5.8.0/qtserialport/lib -o ../../../bin/canbusutil .obj/main.o .obj/readtask.o .obj/canbusutil.o .obj/sigtermhandler.o .obj/moc_readtask.o .obj/moc_canbusutil.o .obj/moc_sigtermhandler.o -L/home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib -lQt5SerialBus -L/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/lib -lQt5Core -lpthread
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::newConnection()@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::QTcpServer(QObject*)@Qt_5'
    /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5: undefined reference to 'qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*)'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::acceptError(QAbstractSocket::SocketError)@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::close()@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QHostAddress::~QHostAddress()@Qt_5'
    /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5: undefined reference to 'qIsEffectiveTLD(QString const&)'
    /usr/lib/arm-linux-gnueabihf/libQt5Network.so.5: undefined reference to 'QNonContiguousByteDevice::disableReset()'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::connected()@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::peerName() const@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::state() const@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::staticMetaObject@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::error(QAbstractSocket::SocketError)@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::isListening() const@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::peerAddress() const@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::disconnected()@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::errorString() const@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpSocket::QTcpSocket(QObject*)@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QHostAddress::QHostAddress(QString const&)@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QAbstractSocket::peerPort() const@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::staticMetaObject@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to 'QTcpServer::listen(QHostAddress const&, unsigned short)@Qt_5'
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `operator<<(QDebug, QHostAddress const&)@Qt_5'
    collect2: error: ld returned 1 exit status
    Makefile:90: recipe for target '../../../bin/canbusutil' failed
    make[4]: *** [../../../bin/canbusutil] Error 1



  • @andrewg Sorry haven't been around for a while, I've been very busy.

    That looks like you are having issues with network stuff. Both in QtNetwork as well as QtSerialBus.

    Check the Qt5SerialBus library to see if the symbols actually exist in there. You can do that with the nm command.

    Another option is it is pulling in a bad version (i.e. your desktop version) of the Qt networking stuff. That seems less likely though.

    My guess is those networking qt libs didn't build properly. Or the link line is lacking a library it needs. I'm not seeing it right off the top of my head though.



  • I just came across the same issue. While compiling Qt5.8 from sources, the linker tries to link against the installed qt5.3.2 version. apt-get remove libqt5* solved it.



  • Hi,

    I am trying to build QT from source to run on a RPi 3.

    I tried to setup a cross compile tool chain but was unsuccessful because I had to first build a cross compile tool chain from source as I am on MacOS and I couldn't use the prebuild linaro gcc tool chains found at https://www.linaro.org/downloads/.

    I tried to build my own tool chain using instructions and scripts found at
    https://clxdev.wordpress.com/2016/06/20/building-linaro-toolchains-on-os-x/ but it was for older linaro releases.

    I was going to download the linaro source from http://releases.linaro.org/components/toolchain/binaries/latest/ But I couldn't determine which one applied to the Raspberry Pi.

    Jared Wolff created a precompiled toolchain for Raspberry Pi 3 on OsX Mavericks that is found at https://www.jaredwolff.com/toolchains/. I will give that a try soon.
    See https://www.jaredwolff.com/blog/cross-compiling-on-mac-osx-for-raspberry-pi/

    In the meantime I am trying to build QT from source right on the RPi 3 itself.

    I tried to follow the instructions at https://wiki.qt.io/Native_Build_of_Qt5_on_a_Raspberry_Pi

    My environment is

    From folder ~/build-qt, my I executed

    ../qt-everywhere-opensource-src-5.8.0/configure -v -opengl es2  -eglfs -device linux-rpi3-g++ -device-option CROSS_COMPILE=/urs/bin/ -opensource -confirm-license -optimized-qmake -reduce-exports -release -qt-pcre -make libs -sysroot / -prefix /opt/Qt5.8 2>&1 | tee output.log
    

    Part of what the terminal displayed was ...

    Configure summary:
    
    Building on:  arm
    Building for: arm
    Configuration: cross_compile compile_examples enable_new_dtags largefile neon precompile_header shared rpath accessibility release c++11 c++14 concurrent dbus mremap reduce_exports release_tools stl
    Build options:
      Mode ................................... release; optimized tools
      Building shared libraries .............. yes
      Using C++ standard ..................... C++14
      Using gold linker ...................... no
      Using new DTAGS ........................ yes
      Using precompiled headers .............. yes
      Using LTCG ............................. no
      Target compiler supports:
        NEON ................................. yes
      Build parts ............................ libs
    Qt modules and options:
      Qt Concurrent .......................... yes
      Qt D-Bus ............................... yes
      Qt D-Bus directly linked to libdbus .... yes
      Qt Gui ................................. yes
      Qt Widgets ............................. yes
    Support enabled for:
      Accessibility .......................... yes
      Using pkg-config ....................... yes
      QML debugging .......................... yes
      udev ................................... yes
      Using system zlib ...................... yes
    Qt Core:
      DoubleConversion ....................... yes
        Using system DoubleConversion ........ no
      GLib ................................... yes
      iconv .................................. no
      ICU .................................... yes
      Logging backends:
        journald ............................. no
        syslog ............................... no
      Using system PCRE ...................... no
    Qt Network:
      getaddrinfo() .......................... yes
      getifaddrs() ........................... yes
      IPv6 ifname ............................ yes
      libproxy ............................... no
      OpenSSL ................................ yes
        Qt directly linked to OpenSSL ........ no
      SCTP ................................... no
      Use system proxies ..................... yes
    Qt Sql:
      DB2 (IBM) .............................. no
      InterBase .............................. no
      MySql .................................. yes
      OCI (Oracle) ........................... no
      ODBC ................................... no
      PostgreSQL ............................. yes
      SQLite2 ................................ yes
      SQLite ................................. yes
        Using system provided SQLite ......... no
      TDS (Sybase) ........................... yes
    Qt Gui:
      FreeType ............................... yes
        Using system FreeType ................ yes
      HarfBuzz ............................... yes
        Using system HarfBuzz ................ no
      Fontconfig ............................. yes
      Image formats:
        GIF .................................. yes
        ICO .................................. yes
        JPEG ................................. yes
          Using system libjpeg ............... yes
        PNG .................................. yes
          Using system libpng ................ yes
      OpenGL:
        EGL .................................. yes
        Desktop OpenGL ....................... no
        OpenGL ES 2.0 ........................ yes
        OpenGL ES 3.0 ........................ no
        OpenGL ES 3.1 ........................ no
      Session Management ..................... yes
    Features used by QPA backends:
      evdev .................................. yes
      libinput ............................... no
      mtdev .................................. no
      tslib .................................. no
      xkbcommon-evdev ........................ yes
    QPA backends:
      DirectFB ............................... no
      EGLFS .................................. yes
      EGLFS details:
        EGLFS i.Mx6 .......................... no
        EGLFS i.Mx6 Wayland .................. no
        EGLFS EGLDevice ...................... no
        EGLFS GBM ............................ no
        EGLFS Mali ........................... no
        EGLFS Rasberry Pi .................... yes
        EGL on X11 ........................... no
      LinuxFB ................................ yes
      Mir client ............................. no
      X11:
        Using system provided XCB libraries .. yes
        EGL on X11 ........................... no
        Xinput2 .............................. yes
        XCB XKB .............................. no
        XLib ................................. yes
        Xrender .............................. yes
        XCB render ........................... yes
        XCB GLX .............................. yes
        XCB Xlib ............................. yes
        Using system-provided xkbcommon ...... no
    Qt Widgets:
      GTK+ ................................... no
      Styles ................................. Fusion Windows
    Qt PrintSupport:
      CUPS ................................... yes
    Qt SerialBus:
      Socket CAN ............................. yes
      Socket CAN FD .......................... yes
    QtXmlPatterns:
      XML schema support ..................... yes
    Qt QML:
      QML interpreter ........................ yes
      QML network support .................... yes
    Qt Quick:
      Direct3D 12 ............................ no
      AnimatedImage item ..................... yes
      Canvas item ............................ yes
      Support for Quick Designer ............. yes
      Flipable item .......................... yes
      GridView item .......................... yes
      ListView item .......................... yes
      Path support ........................... yes
      PathView item .......................... yes
      Positioner items ....................... yes
      ShaderEffect item ...................... yes
      Sprite item ............................ yes
    Qt Gamepad:
      SDL2 ................................... no
    Qt 3D:
      System Assimp .......................... no
    Qt Wayland Drivers:
      EGL .................................... no
      Rasberry Pi ............................ yes
      XComposite EGL ......................... no
      XComposite GLX ......................... no
      DRM EGL ................................ no
      libhybris EGL .......................... no
    Qt Wayland Client ........................ yes
    Qt Wayland Compositor .................... yes
    Qt Bluetooth:
      BlueZ .................................. yes
      BlueZ Low Energy ....................... yes
      Linux Crypto API ....................... yes
    Qt Multimedia:
      ALSA ................................... yes
      GStreamer 1.0 .......................... yes
      GStreamer 0.10 ......................... no
      Video for Linux ........................ yes
      OpenAL ................................. no
      PulseAudio ............................. yes
      Resource Policy (libresourceqt5) ....... no
      DirectShow ............................. no
      Windows Media Foundation ............... no
    Qt Location:
      Gypsy GPS Daemon ....................... no
      WinRT Geolocation API .................. no
    Qt Sensors:
      sensorfw ............................... no
    Qt WebEngine:
      Proprietary Codecs ..................... no
      Spellchecker ........................... yes
      ALSA ................................... yes
      PulseAudio ............................. yes
    
    Note: PKG_CONFIG_LIBDIR automatically set to //usr/lib/pkgconfig://usr/share/pkgconfig://usr/lib/arm-linux-gnueabihf/pkgconfig
    
    Note: PKG_CONFIG_SYSROOT_DIR automatically set to /
    
    Note: -optimized-tools is not useful in -release mode.
    
    Note: Dropped compiler flags '-pthread' when detecting library 'glib'.
    
    Note: No wayland-egl support detected. Cross-toolkit compatibility disabled.
    
    Note: Dropped compiler flags '-pthread' when detecting library 'gstreamer'.
    
    Note: Dropped compiler flags '-pthread' when detecting library 'gstreamer_app'.
    
    
    Platform notes:
    
                - Also available for Linux: linux-clang linux-kcc linux-icc linux-cxx
            
    
    Qt is now configured for building. Just run 'make'.
    Once everything is built, you must run 'make install'.
    Qt will be installed into /opt/Qt5.8
    
    Prior to reconfiguration, make sure you remove any leftovers from
    the previous build.
    

    I executed

    make -j4 2>&1 | tee output_make.log
    

    End of what terminal displayed ...

    /usr/bin/g++ -Wl,-rpath-link,//opt/vc/lib -Wl,-rpath-link,//usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,//lib/arm-linux-gnueabihf -mfloat-abi=hard --sysroot=/ -Wl,--no-undefined -Wl,-O1 -Wl,--enable-new-dtags -Wl,-z,origin -Wl,-rpath,\$ORIGIN/../../lib -shared -o libqsqlite.so .obj/qsql_sqlite.o .obj/smain.o .obj/sqlite3.o .obj/moc_qsql_sqlite_p.o  -L/home/pi/build-qt/qtbase/lib -lQt5Sql -lQt5Core -lpthread  
    mv -f libqsqlite.so ../../../../plugins/sqldrivers/ 
    make[5]: Leaving directory '/home/pi/build-qt/qtbase/src/plugins/sqldrivers/sqlite'
    make[4]: Leaving directory '/home/pi/build-qt/qtbase/src/plugins/sqldrivers'
    make[3]: Leaving directory '/home/pi/build-qt/qtbase/src/plugins'
    Makefile:721: recipe for target 'sub-plugins-make_first' failed
    make[2]: *** [sub-plugins-make_first] Error 2
    make[2]: Leaving directory '/home/pi/build-qt/qtbase/src'
    Makefile:46: recipe for target 'sub-src-make_first' failed
    make[1]: *** [sub-src-make_first] Error 2
    make[1]: Leaving directory '/home/pi/build-qt/qtbase'
    Makefile:79: recipe for target 'module-qtbase-make_first' failed
    make: *** [module-qtbase-make_first] Error 2
    

    Anyone know why this won't "make" ?

    Thank you,

    -Mark



  • @msluser said in Has anyone successfully built Qt from source recently on a Pi?:

    CROSS_COMPILE=/urs/bin/

    That is probably an issue.. should be /usr/bin.

    Also you normally want to start new threads and not necro an old one like this. :)

    And finally, you cut the build log so it doesn't show any errors. If you should the actual errors I can try to help you more.



  • @ambershark

    I made a mistake posting what I typed. I checked and I used
    CROSS_COMPILE=/usr/bin/

    There were no errors in the configure step.

    I noticed this in the output of my make step:

    /usr/bin/g++ -Wl,-rpath-link,//opt/vc/lib -Wl,-rpath-link,//usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,//lib/arm-linux-gnueabihf -mfloat-abi=hard --sysroot=/ -Wl,--no-undefined -Wl,-O1 -Wl,--enable-new-dtags -Wl,-z,origin -Wl,-rpath,\$ORIGIN/../../lib -shared -o libqoffscreen.so .obj/main.o .obj/qoffscreenintegration.o .obj/qoffscreenwindow.o .obj/qoffscreencommon.o .obj/qoffscreenintegration_dummy.o  -L=/opt/vc/lib -L/home/pi/build-qt/qtbase/lib -lQt5EventDispatcherSupport -Wl,-rpath-link,//opt/vc/lib -lgthread-2.0 -lglib-2.0 -lQt5FontDatabaseSupport -Wl,-rpath-link,//opt/vc/lib -lQt5Gui -lQt5Core -Wl,-rpath-link,//opt/vc/lib -lGLESv2 -lpthread -lfontconfig -lfreetype  
    /usr/bin/g++ -c -march=armv8-a -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard --sysroot=/ -O2 -std=c++1y -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions -Wall -W -Wvla -D_REENTRANT -fPIC -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_PLUGIN -DQT_GUI_LIB -DQT_DBUS_LIB -DQT_CORE_LIB -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforminputcontexts/ibus -I. -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui/5.8.0/QtGui -I../../../../include/QtGui/5.8.0 -I../../../../include/QtGui/5.8.0/QtGui -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui -I../../../../include -I../../../../include/QtGui -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtDBus -I../../../../include/QtDBus -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0/QtCore -I../../../../include/QtCore/5.8.0 -I../../../../include/QtCore/5.8.0/QtCore -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore -I../../../../include/QtCore -I.moc -I=/opt/vc/include -I=/opt/vc/include/interface/vcos/pthreads -I=/opt/vc/include/interface/vmcs_host/linux -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/mkspecs/devices/linux-rpi3-g++ -o .obj/moc_qibusproxy.o .moc/moc_qibusproxy.cpp
    mv -f libqoffscreen.so ../../../../plugins/platforms/ 
    make[5]: Leaving directory '/home/pi/build-qt/qtbase/src/plugins/platforms/offscreen'
    cd xcb/ && ( test -e Makefile || /home/pi/build-qt/qtbase/bin/qmake -o Makefile /home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforms/xcb/xcb.pro -qtconf /home/pi/build-qt/qtbase/bin/qt.conf -- -v -opengl es2 -eglfs -device linux-rpi3-g++ -device-option CROSS_COMPILE=/usr/bin/ -opensource -confirm-license -optimized-qmake -reduce-exports -release -qt-pcre -make libs -no-use-gold-linker -sysroot / -prefix /opt/Qt5.8 ) && make -f Makefile 
    make[5]: Entering directory '/home/pi/build-qt/qtbase/src/plugins/platforms/xcb'
    ( test -e Makefile.xcb_qpa_lib || /home/pi/build-qt/qtbase/bin/qmake -o Makefile.xcb_qpa_lib /home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforms/xcb/xcb_qpa_lib.pro -qtconf /home/pi/build-qt/qtbase/bin/qt.conf -- -v -opengl es2 -eglfs -device linux-rpi3-g++ -device-option CROSS_COMPILE=/usr/bin/ -opensource -confirm-license -optimized-qmake -reduce-exports -release -qt-pcre -make libs -no-use-gold-linker -sysroot / -prefix /opt/Qt5.8 ) && make -f Makefile.xcb_qpa_lib 
    /usr/bin/g++ -c -march=armv8-a -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard --sysroot=/ -O2 -std=c++1y -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions -Wall -W -Wvla -D_REENTRANT -fPIC -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/sqldrivers/tds -I. -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtSql/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtSql/5.8.0/QtSql -I../../../../include/QtSql/5.8.0 -I../../../../include/QtSql/5.8.0/QtSql -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0/QtCore -I../../../../include/QtCore/5.8.0 -I../../../../include/QtCore/5.8.0/QtCore -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtSql -I../../../../include -I../../../../include/QtSql -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore -I../../../../include/QtCore -I.moc -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/mkspecs/devices/linux-rpi3-g++ -o .obj/moc_qsql_tds_p.o .moc/moc_qsql_tds_p.cpp
    make[6]: Entering directory '/home/pi/build-qt/qtbase/src/plugins/platforms/xcb'
    /usr/bin/g++ -march=armv8-a -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard --sysroot=/ -O2 -std=c++1y -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions -Wall -W -Wvla -dM -E -o .moc/moc_predefs.h /home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/mkspecs/features/data/dummy.cpp
    /usr/bin/g++ -c -march=armv8-a -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard --sysroot=/ -O2 -std=c++1y -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions -Wall -W -Wvla -D_REENTRANT -fPIC -DQT_NO_FOREACH -DQT_BUILD_XCB_PLUGIN -DXCB_USE_XLIB -DXCB_USE_XINPUT2 -DXCB_USE_RENDER -DDFLT_XKB_CONFIG_ROOT=\"/usr/share/X11/xkb\" -DDEFAULT_XKB_RULES=\"evdev\" -DDEFAULT_XKB_MODEL=\"pc105\" -DDEFAULT_XKB_LAYOUT=\"us\" -DQT_BUILD_XCB_QPA_LIB_LIB -DQT_BUILDING_QT -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_SERVICE_SUPPORT_LIB -DQT_THEME_SUPPORT_LIB -DQT_EVENTDISPATCHER_SUPPORT_LIB -DQT_FONTDATABASE_SUPPORT_LIB -DQT_LINUXACCESSIBILITY_SUPPORT_LIB -DQT_ACCESSIBILITY_SUPPORT_LIB -DQT_GUI_LIB -DQT_DBUS_LIB -DQT_CORE_LIB -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforms/xcb -I. -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforms/xcb/gl_integrations -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/3rdparty/xkbcommon -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/3rdparty/xkbcommon/xkbcommon -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/3rdparty/xkbcommon/src -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/3rdparty/xkbcommon/src/xkbcomp -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtServiceSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtServiceSupport/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtServiceSupport/5.8.0/QtServiceSupport -I../../../../include -I../../../../include/QtServiceSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtThemeSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtThemeSupport/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtThemeSupport/5.8.0/QtThemeSupport -I../../../../include/QtThemeSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtEventDispatcherSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtEventDispatcherSupport/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtEventDispatcherSupport/5.8.0/QtEventDispatcherSupport -I../../../../include/QtEventDispatcherSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtFontDatabaseSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtFontDatabaseSupport/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtFontDatabaseSupport/5.8.0/QtFontDatabaseSupport -I../../../../include/QtFontDatabaseSupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtLinuxAccessibilitySupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtLinuxAccessibilitySupport/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtLinuxAccessibilitySupport/5.8.0/QtLinuxAccessibilitySupport -I../../../../include/QtLinuxAccessibilitySupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtAccessibilitySupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtAccessibilitySupport/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtAccessibilitySupport/5.8.0/QtAccessibilitySupport -I../../../../include/QtAccessibilitySupport -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui/5.8.0/QtGui -I../../../../include/QtGui/5.8.0 -I../../../../include/QtGui/5.8.0/QtGui -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui -I../../../../include/QtGui -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0/QtCore -I../../../../include/QtCore/5.8.0 -I../../../../include/QtCore/5.8.0/QtCore -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtDBus -I../../../../include/QtDBus -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore -I../../../../include/QtCore -I.moc -I=/opt/vc/include -I=/opt/vc/include/interface/vcos/pthreads -I=/opt/vc/include/interface/vmcs_host/linux -isystem /usr/include/freetype2 -isystem /usr/include/libpng12 -isystem /usr/include/freetype2 -isystem /usr/include/libpng12 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/mkspecs/devices/linux-rpi3-g++ -o .obj/qxcbconnection.o /home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp
    In file included from /home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:46:0:
    /home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/src/plugins/platforms/xcb/qxcbscreen.h:49:26: fatal error: xcb/xinerama.h: No such file or directory
     #include <xcb/xinerama.h>
                              ^
    compilation terminated.
    
    
    

    Thank you,

    -Mark



  • @msluser Ah, do you have the libxcb package installed for the PI? Trying search your PI filesystem for xinerama.h and see if it is installed. You may just need to point your compile at that include directory.

    Or (and the more likely scenario), you don't have libxcb installed for the PI.



  • @ambershark
    Thanks for the help!

    I got past the xinerama.h error, but now I get

    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::newConnection()@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::QTcpServer(QObject*)@Qt_5'
    //usr/lib/arm-linux-gnueabihf/libQt5Network.so.5: undefined reference to `qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*)'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::acceptError(QAbstractSocket::SocketError)@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::close()@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QHostAddress::~QHostAddress()@Qt_5'
    //usr/lib/arm-linux-gnueabihf/libQt5Network.so.5: undefined reference to `qIsEffectiveTLD(QString const&)'
    //usr/lib/arm-linux-gnueabihf/libQt5Network.so.5: undefined reference to `QNonContiguousByteDevice::disableReset()'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::connected()@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::peerName() const@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::state() const@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::staticMetaObject@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::error(QAbstractSocket::SocketError)@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::isListening() const@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::peerAddress() const@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::disconnected()@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::errorString() const@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpSocket::QTcpSocket(QObject*)@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QHostAddress::QHostAddress(QString const&)@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QAbstractSocket::peerPort() const@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::staticMetaObject@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `QTcpServer::listen(QHostAddress const&, unsigned short)@Qt_5'
    /home/pi/build-qt/qtserialbus/lib/libQt5SerialBus.so: undefined reference to `operator<<(QDebug, QHostAddress const&)@Qt_5'
    collect2: error: ld returned 1 exit status
    Makefile:80: recipe for target '../../../bin/canbusutil' failed
    make[4]: *** [../../../bin/canbusutil] Error 1
    make[4]: Leaving directory '/home/pi/build-qt/qtserialbus/src/tools/canbusutil'
    Makefile:42: recipe for target 'sub-canbusutil-make_first' failed
    make[3]: *** [sub-canbusutil-make_first] Error 2
    make[3]: Leaving directory '/home/pi/build-qt/qtserialbus/src/tools'
    Makefile:95: recipe for target 'sub-tools-make_first' failed
    make[2]: *** [sub-tools-make_first] Error 2
    make[2]: Leaving directory '/home/pi/build-qt/qtserialbus/src'
    Makefile:44: recipe for target 'sub-src-make_first' failed
    make[1]: *** [sub-src-make_first] Error 2
    make[1]: Leaving directory '/home/pi/build-qt/qtserialbus'
    Makefile:229: recipe for target 'module-qtserialbus-make_first' failed
    make: *** [module-qtserialbus-make_first] Error 2
    make: *** Waiting for unfinished jobs....
    

    Any ideas how to troubleshoot this one ?

    -Mark



  • @msluser Lol scroll up... that problem was addressed in this thread already. ;)



  • @ambershark

    Thank you for all of your help this far. As per your last recommendation, I executed

    sudo apt-get uninstall libqt5*
    

    I was able to get the "make" to run however the last thing it output was

    /usr/bin/g++ -Wl,-rpath-link,//opt/vc/lib -Wl,-rpath-link,//usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,//lib/arm-linux-gnueabihf -mfloat-abi=hard --sysroot=/ -Wl,-O1 -Wl,--enable-new-dtags -Wl,-z,origin -Wl,-rpath,\$ORIGIN/../../../../lib -shared -o libqtlabsplatformplugin.so .obj/qtlabsplatformplugin.o .obj/qquickplatformcolordialog.o .obj/qquickplatformdialog.o .obj/qquickplatformfiledialog.o .obj/qquickplatformfolderdialog.o .obj/qquickplatformfontdialog.o .obj/qquickplatformiconloader.o .obj/qquickplatformmenu.o .obj/qquickplatformmenubar.o .obj/qquickplatformmenuitem.o .obj/qquickplatformmenuitemgroup.o .obj/qquickplatformmenuseparator.o .obj/qquickplatformmessagedialog.o .obj/qquickplatformstandardpaths.o .obj/qquickplatformsystemtrayicon.o .obj/qwidgetplatformcolordialog.o .obj/qwidgetplatformdialog.o .obj/qwidgetplatformfiledialog.o .obj/qwidgetplatformfontdialog.o .obj/qwidgetplatformmenu.o .obj/qwidgetplatformmenuitem.o .obj/qwidgetplatformmessagedialog.o .obj/qwidgetplatformsystemtrayicon.o .obj/moc_qquickplatformcolordialog_p.o .obj/moc_qquickplatformdialog_p.o .obj/moc_qquickplatformfiledialog_p.o .obj/moc_qquickplatformfolderdialog_p.o .obj/moc_qquickplatformfontdialog_p.o .obj/moc_qquickplatformmenu_p.o .obj/moc_qquickplatformmenubar_p.o .obj/moc_qquickplatformmenuitem_p.o .obj/moc_qquickplatformmenuitemgroup_p.o .obj/moc_qquickplatformmenuseparator_p.o .obj/moc_qquickplatformmessagedialog_p.o .obj/moc_qquickplatformstandardpaths_p.o .obj/moc_qquickplatformsystemtrayicon_p.o .obj/moc_qwidgetplatformcolordialog_p.o .obj/moc_qwidgetplatformfiledialog_p.o .obj/moc_qwidgetplatformfontdialog_p.o .obj/moc_qwidgetplatformmenu_p.o .obj/moc_qwidgetplatformmenuitem_p.o .obj/moc_qwidgetplatformmessagedialog_p.o .obj/moc_qwidgetplatformsystemtrayicon_p.o  -L=/opt/vc/lib -L/home/pi/build-qt/qtdeclarative/lib -lQt5Quick -L/home/pi/build-qt/qtbase/lib -lQt5Widgets -lQt5Gui -lQt5Qml -lQt5Network -lQt5Core -Wl,-rpath-link,//opt/vc/lib -lGLESv2 -lpthread -lQt5Quick -L=/opt/vc/lib -L/home/pi/build-qt/qtbase/lib -L/home/pi/build-qt/qtdeclarative/lib -lQt5Gui -lQt5Qml -lQt5Network -lQt5Core -lpthread 
    mv -f libqtlabsplatformplugin.so ../../../qml/Qt/labs/platform/ 
    make[4]: Leaving directory '/home/pi/build-qt/qtquickcontrols2/src/imports/platform'
    make[3]: Leaving directory '/home/pi/build-qt/qtquickcontrols2/src/imports'
    make[2]: Leaving directory '/home/pi/build-qt/qtquickcontrols2/src'
    make[1]: Leaving directory '/home/pi/build-qt/qtquickcontrols2'
    

    I am not sure that "make" was successful. What do you think?

    When I try and run

    make install
    

    This is the last part of the output

    make[3]: Entering directory '/home/pi/build-qt/qt3d/src/render'
    /usr/bin/g++ -c -include .pch/Qt53DRender -march=armv8-a -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard --sysroot=/ -O2 -std=c++1y -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions -Wall -W -Wvla -D_REENTRANT -fPIC -DQT_NO_FOREACH -DQT_BUILD_3DRENDER_LIB -DQT_BUILDING_QT -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_3DCORE_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_OPENGLEXTENSIONS_LIB -DQT_GUI_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render -I. -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/backend -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/geometry -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/graphicshelpers -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/framegraph -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/frontend -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/jobs -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/lights -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/materialsystem -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/renderstates -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/io -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/picking -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/raycasting -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/services -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/texture -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/include -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/include/Qt3DRender -I../../include -I../../include/Qt3DRender -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/include/Qt3DRender/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/include/Qt3DRender/5.8.0/Qt3DRender -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/include/Qt3DCore/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/include/Qt3DCore/5.8.0/Qt3DCore -I../../include/Qt3DCore/5.8.0 -I../../include/Qt3DCore/5.8.0/Qt3DCore -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui/5.8.0/QtGui -I/home/pi/build-qt/qtbase/include/QtGui/5.8.0 -I/home/pi/build-qt/qtbase/include/QtGui/5.8.0/QtGui -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0 -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore/5.8.0/QtCore -I/home/pi/build-qt/qtbase/include/QtCore/5.8.0 -I/home/pi/build-qt/qtbase/include/QtCore/5.8.0/QtCore -I/home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/include/Qt3DCore -I../../include/Qt3DCore -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtGui -I/home/pi/build-qt/qtbase/include -I/home/pi/build-qt/qtbase/include/QtGui -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtNetwork -I/home/pi/build-qt/qtbase/include/QtNetwork -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtCore -I/home/pi/build-qt/qtbase/include/QtCore -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtOpenGLExtensions -I/home/pi/build-qt/qtbase/include/QtOpenGLExtensions -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/include/QtConcurrent -I/home/pi/build-qt/qtbase/include/QtConcurrent -I.moc -I=/opt/vc/include -I=/opt/vc/include/interface/vcos/pthreads -I=/opt/vc/include/interface/vmcs_host/linux -I/home/pi/qt-everywhere-opensource-src-5.8.0/qtbase/mkspecs/devices/linux-rpi3-g++ -o .obj/renderthread.o /home/pi/qt-everywhere-opensource-src-5.8.0/qt3d/src/render/backend/renderthread.cpp
    In file included from <command-line>:0:0:
    /usr/include/stdc-predef.h:59:1: error: one or more PCH files were found, but they were invalid
     #endif
     ^
    /usr/include/stdc-predef.h:59:1: error: use -Winvalid-pch for more information
    /usr/include/stdc-predef.h:59:1: fatal error: .pch/Qt53DRender: No such file or directory
    compilation terminated.
    Makefile:16610: recipe for target '.obj/renderthread.o' failed
    make[3]: *** [.obj/renderthread.o] Error 1
    make[3]: Leaving directory '/home/pi/build-qt/qt3d/src/render'
    Makefile:95: recipe for target 'sub-render-install_subtargets' failed
    make[2]: *** [sub-render-install_subtargets] Error 2
    make[2]: Leaving directory '/home/pi/build-qt/qt3d/src'
    Makefile:57: recipe for target 'sub-src-install_subtargets' failed
    make[1]: *** [sub-src-install_subtargets] Error 2
    make[1]: Leaving directory '/home/pi/build-qt/qt3d'
    Makefile:448: recipe for target 'module-qt3d-install_subtargets' failed
    make: *** [module-qt3d-install_subtargets] Error 2
    

    Obviously it didn't install correctly and there is an error. Is it because of my file /usr/include/stdc-predef.h or something else ?

    I appreciate your help @ambershark , thank you very much.

    -Mark



  • @msluser That error comes from using a dirty build from mixed Qt's. Since you cleaned up your Qt conflict (you didn't have to uninstall, but that works) you should now rebuild the entire Qt project.

    I would start with a completely fresh extract of the qt tar so you know it's 100% clean. Sometimes make distclean doesn't get everything.

    If you rebuild everything it should fix that pch on install. As for whether or not the build succeed that make output is definitely a success, the make install however failed.

    And you're welcome. :)



  • I've also struggled a lot with compiling Qt natively on the RPi3. I've tried to compile the new Qt 5.8 in hopes that the fact that it now uses Gstreamer1.0 instead of 0.10 would fix issues I have with an application that uses QSound and QMediaPlayer, both part of the QtMultimedia library.
    After a lot of trial and error and trailing forums, I have managed to successfully build Qt 5.8 from source.

    My environment:

    • Qt 5.8.1 from git://code.qt.io/qt/qt5.git
    • Raspberry Pi 3
    • Raspian version 8.0 Jessie
    • Kernel: 4.4.50-v7+ #970 SMP Mon Feb 20 19:18:29 GMT 2017

    I wrote a script that automates the process. If you run all its commands, it will install dependencies, clone the source of your choice, init the repo, build the source, install and then create a script that exports the necessarily globals, which is appended to startup scripts.
    I've pasted the whole script below, where you can see the options used for configure and what dependencies I made sure to install:

    #!/usr/bin/env bash
    set -exu
    
    ### SETTINGS
    MAIN_VER="5"
    VER="5.8"
    REPO="git://code.qt.io/qt/qt5.git"
    INST_DIR="/usr/local/qt$VER"
    CORES="4"
    B=$(pwd)
    SETUP="setup_qt"
    
    ### REPO INIT OPTIONS
    INIT_OPT=""
    INIT_OPT+="--module-subset=default,-qtwebkit,-qtwebkit-examples,-qtwebengine"
    
    ### CONFIGURATION OPTIONS
    CONF_OPT=""
    CONF_OPT+=" -v"
    CONF_OPT+=" -opensource"
    CONF_OPT+=" -confirm-license"
    CONF_OPT+=" -opengl es2"
    CONF_OPT+=" -device linux-rpi3-g++"
    CONF_OPT+=" -device-option CROSS_COMPILE=/usr/bin/"
    CONF_OPT+=" -sysroot /"
    CONF_OPT+=" -optimized-qmake"
    CONF_OPT+=" -reduce-exports"
    CONF_OPT+=" -release"
    CONF_OPT+=" -qpa xcb"		# Use xcb as default QPA backend
    CONF_OPT+=" -qt-pcre"		# Use the PCRE library bundled with Qt.
    CONF_OPT+=" -qt-libpng"	# Use the libpng bundled with Qt.
    CONF_OPT+=" -qt-xcb"		# Use xcb- libraries bundled with Qt.
    CONF_OPT+=" -make libs"	# Only make libraries (no tests, examples etc)
    CONF_OPT+=" -skip qtserialbus"	# Get error when compiling this package
    CONF_OPT+=" -skip qtwayland"	# Get error when compiling this package
    CONF_OPT+=" -skip qtscript"		# Get error when compiling this package
    CONF_OPT+=" -no-pch" # Some users have reported issues with using precomiled headers
    CONF_OPT+=" -no-use-gold-linker" # Seems to have issues with ARMv8
    
    
    ### DEPENDENCIES
    DEPS=""
    # Build tools
    DEPS+=" build-essential"
    DEPS+=" perl"
    DEPS+=" python"
    DEPS+=" git"
    DEPS+=" flex"
    DEPS+=" ruby"
    DEPS+=" gperf"
    DEPS+=" bison"
    # XCB/X11 support
    DEPS+=" ^libxcb.*"
    DEPS+=" libglu1-mesa-dev"
    DEPS+=" libx11-xcb-dev"
    DEPS+=" libxrender-dev"
    DEPS+=" libfontconfig1-dev"
    DEPS+=" libfreetype6-dev"
    DEPS+=" libx11-dev"
    DEPS+=" libxext-dev"
    DEPS+=" libxfixes-dev"
    DEPS+=" libxi-dev"
    DEPS+=" libxcb1-dev"
    DEPS+=" libxcb-glx0-dev"
    DEPS+=" libxcb-keysyms1-dev"
    DEPS+=" libxcb-image0-dev"
    DEPS+=" libxcb-shm0-dev"
    DEPS+=" libxcb-icccm4-dev"
    DEPS+=" libxcb-sync0-dev"
    DEPS+=" libxcb-xfixes0-dev"
    DEPS+=" libxcb-shape0-dev"
    DEPS+=" libxcb-randr0-dev"
    DEPS+=" libxcb-render-util0-dev"
    DEPS+=" libx11-xcb1"
    DEPS+=" libxcb-sync1"
    DEPS+=" libxcb-sync-dev"
    DEPS+=" libxcb-xinerama0"
    DEPS+=" libxcb-xinerama0-dev"
    DEPS+=" libx11-xcb1"
    DEPS+=" libxcb-sync1"
    DEPS+=" libxcb-sync-dev"
    # Sound support
    DEPS+=" libasound2-dev"
    DEPS+=" libpulse-dev"
    # Media support
    DEPS+=" libavcodec-dev"
    DEPS+=" libavformat-dev"
    DEPS+=" libswscale-dev"
    DEPS+=" gstreamer-tools"
    DEPS+=" libgstreamer1.0-dev"
    DEPS+=" libgstreamer-plugins-base1.0-dev"
    DEPS+=" gstreamer1.0-plugins-good"
    DEPS+=" gstreamer1.0-plugins-bad"
    DEPS+=" gstreamer1.0-plugins-ugly"
    DEPS+=" gstreamer1.0-libav"
    DEPS+=" gstreamer1.0-clutter"
    DEPS+=" gstreamer1.0-fluendo-mp3"
    DEPS+=" gstreamer1.0-pulseaudio"
    #DEPS+=" libgstreamer0.10-dev" # Not needed for Qt 5.8 and later
    #DEPS+=" libgstreamer-plugins-base0.10-dev"
    #DEPS+=" gstreamer0.10-plugins-good"
    #DEPS+=" gstreamer0.10-plugins-bad"
    #DEPS+=" gstreamer0.10-plugins-ugly"
    # XKB fixes for Qt5.4x
    DEPS+=" libxkbfile1"
    DEPS+=" x11-xkb-utils"
    DEPS+=" xkb-data"
    DEPS+=" libxkbfile-dev"
    # SQLite 3 support
    DEPS+=" libsqlite0-dev"
    DEPS+=" libsqlite3-dev"
    # SSL/TLS Support
    DEPS+=" libssl-dev"
    DEPS+=" gnutls-dev"
    DEPS+=" libgnutls28-dev"
    #	DEPS+=" libgnutls-openssl-dev" # Not available on debian
    DEPS+=" libsslcommon2-dev"
    # OpenCV support (for bottle rig)
    DEPS+=" libopencv-calib3d-dev"
    DEPS+=" libopencv-contrib-dev"
    DEPS+=" libopencv-core-dev"
    DEPS+=" libopencv-dev"
    DEPS+=" libopencv-features2d-dev"
    DEPS+=" libopencv-flann-dev"
    DEPS+=" libopencv-gpu-dev"
    DEPS+=" libopencv-highgui-dev"
    DEPS+=" libopencv-imgproc-dev"
    DEPS+=" libopencv-legacy-dev"
    DEPS+=" libopencv-ml-dev"
    DEPS+=" libopencv-objdetect-dev"
    DEPS+=" libopencv-video-dev"
    # Other
    DEPS+=" libdrm-dev" # Kernel DRM services
    DEPS+=" libgst-dev" # Smalltalk virtual machine
    DEPS+=" libjpeg62-turbo-dev" # JPEG
    DEPS+=" libpng12-dev" # PNG
    DEPS+=" firebird-dev" # Firebird
    DEPS+=" libmysqlclient-dev" # MySQL
    DEPS+=" libiodbc2-dev" # iODBC
    DEPS+=" libpq-dev" # PostgreSQL
    DEPS+=" freetds-dev" # Tabular DataStream
    DEPS+=" libcups2-dev" # Common UNIX Printing System
    DEPS+=" libglib2.0-dev" # GLib
    DEPS+=" libraspberrypi-dev" # EGL/GLES/OpenVG/etc. libraries for the Raspberry Pi's VideoCore IV
    DEPS+=" libxslt1-dev" # XML
    DEPS+=" libicu-dev" # Unicode
    DEPS+=" libudev-dev" # udev
    DEPS+=" libdbus-1-dev" # D-Bus
    
    do_prep(){
    	# Install depedencies
    	echo "-------------------- Installing depedencies"
    	sudo apt-get update
    	sudo apt-get install -y $DEPS 2>&1 | tee deps.out
    }
    
    do_clone(){
    	# Clone repo
    	echo "-------------------- Cloning repo: qt$VER"
    	git clone $REPO
    	cd "$B/qt$MAIN_VER"
    	git checkout $VER
    }
    
    do_init(){
    	# Initialize repo
    	cd "$B/qt$MAIN_VER"
    	echo "-------------------- Initializing repository"
    	./init-repository $INIT_OPT 2>&1 | tee init.out
    }
    
    do_conf(){
    	# Configure build
    	cd "$B/qt$MAIN_VER"
    	echo "-------------------- Configuring build"
    	MAKEFLAGS=-j$CORES ./configure $CONF_OPT -prefix $INST_DIR 2>&1 | tee config.out
    }
    
    do_build(){
    	# Build
    	cd "$B/qt$MAIN_VER"
    	echo "-------------------- Building qt$VER"
    	make -j$CORES 2>&1 | tee make.out
    }
    
    do_install(){
    	# Install
    	cd "$B/qt$MAIN_VER"
    	echo "-------------------- Installing in $INST_DIR"
    	sudo make install -j$CORES 2>&1 | tee install.out
    }
    
    do_exports(){
    	# Make startup script so export symbols
    	cd $B
    	> $SETUP.sh
    	echo "export LD_LIBRARY_PATH=$INST_DIR/lib" >> $SETUP.sh
    	echo "export PATH=$INST_DIR/bin:\$PATH" >> $SETUP.sh
    	echo "export QT_QPA_EGLFS_PHYSICAL_WIDTH=510" >> $SETUP.sh
    	echo "export QT_QPA_EGLFS_PHYSICAL_HEIGHT=290" >> $SETUP.sh
    
    	# Make the script executable and run it
    	chmod +x $SETUP.sh
    	./$SETUP.sh
    
    	# Append source to setup script in startup scripts
    	echo "source $B/$SETUP.sh" >> ~/.profile
    	echo "source $B/$SETUP.sh" >> ~/.bashrc
    }
    
    while [ "${1+defined}" ];
    do
    	case $1 in
    		prep* )    do_prep    ;;
    		clone* )   do_clone   ;;
    		init* )    do_init    ;;
    		conf* )    do_conf    ;;
    		build* )   do_build   ;;
    		install* ) do_install ;;
    		exports* ) do_exports ;;
    		*) echo "UNKNOWN COMMAND: '$1', SKIPPING..."	;;
    	esac
    	shift
    done
    
    
    echo "DONE"
    
    

    Note that I omit initializing QtWebkit in the repo to save time compiling as I didn't need it. I also skip compiling three libraries which would cause errors and prevent the remaining libraries from being compiled:

    • QtSerialbus
    • QtWayland
    • QtScript

    The source is downloaded and placed in a subdirectory where the script is run from (it can be run from anywhere you like).
    The script also writes the output of each process to a set of "<name>.out" files, most of which are placed in the source directory.
    To run the commands in the script, simply call it followed by the commands you want. E.g. if you name the script "qtFromGit.sh":

    $ <pathToScript>/qtFromGit.sh clone init conf build install exports
    

    Edit:
    Running the whole process on my Pi took right above 5 hours, using all 4 cores:

    real    303m23.636s
    user    1087m58.200s
    sys     47m28.890s
    

    Edit2: Grammar

    Of course, I'm still having issues with sound in my application, but that's another story fit for a separate thread...



  • @ambershark The "undefined reference" link error was root-caused to the conflict with existing Qt 5.3.2 on the build machine. That has been resolved by folks in this thread by removing the older version, but you suggested that that need not be done. Would you elaborate on that? How might one avoid the conflict without removing the older conflicting version? Thanks.



  • @vikramg There are a few ways to do it easily. I'm only covering posix OSes though. I don't use windows enough to comment on how to do it there. I would imagine just making sure it isn't in your path would work in windows though.

    1. Make sure you shell points to the Qt you want only. To accomplish this you will need something like:
    $ export PATH="/path/to/Qt/bin:$PATH"
    $ export QTDIR="/path/to/Qt"
    

    I tend to add these to my .bashrc so they are always active in every shell I run. I have aliases for switching Qt versions.

    To verify that your Qt is the one you want, run qmake --version. Then run qmake -query and verify the paths are pointing correctly. This should be handled by the QTDIR varaible. If not you will need a qt.conf file to force paths.

    1. Another way is to disable the system Qt version. This of course will have undesired effects on any application that uses them on your system. The way I usually accomplish this is just setting permissions to 000 on the Qt include directory and libs/binaries individually if necessary. This way is a pain in the butt though. I recommend trying the above first and if you still have issues try this.

    2. Finally, you could set up a vagrant/virtualbox build vm that doesn't include Qt as part of the distro. You could use a docker instance as well. This doesn't really hold true to my comment though but it is an option.

    Hope that helps.



  • This work for me.

    apt-get install \
    bison \
    build-essential \
    flex \
    gperf \
    libasound2-dev \
    libatkmm-1.6-dev \
    libbz2-dev \
    libcap-dev \
    libcups2-dev \
    libdrm-dev \
    libegl1-mesa-dev \
    libfontconfig1-dev \
    libfreetype6-dev \
    libgcrypt11-dev \
    libglu1-mesa-dev \
    libgstreamer-plugins-base0.10-dev \
    libgstreamer0.10-dev \
    libicu-dev \
    libnss3-dev \
    libpci-dev \
    libpulse-dev \
    libssl-dev \
    libudev-dev \
    libx11-dev \
    libx11-xcb-dev \
    libxcb-composite0 \
    libxcb-composite0-dev \
    libxcb-cursor-dev \
    libxcb-cursor0 \
    libxcb-damage0 \
    libxcb-damage0-dev \
    libxcb-dpms0 \
    libxcb-dpms0-dev \
    libxcb-dri2-0 \
    libxcb-dri2-0-dev \
    libxcb-dri3-0 \
    libxcb-dri3-dev \
    libxcb-ewmh-dev \
    libxcb-ewmh2 \
    libxcb-glx0 \
    libxcb-glx0-dev \
    libxcb-icccm4 \
    libxcb-icccm4-dev \
    libxcb-image0 \
    libxcb-image0-dev \
    libxcb-keysyms1 \
    libxcb-keysyms1-dev \
    libxcb-present-dev \
    libxcb-present0 \
    libxcb-randr0 \
    libxcb-randr0-dev \
    libxcb-record0 \
    libxcb-record0-dev \
    libxcb-render-util0 \
    libxcb-render-util0-dev \
    libxcb-render0 \
    libxcb-render0-dev \
    libxcb-res0 \
    libxcb-res0-dev \
    libxcb-screensaver0 \
    libxcb-screensaver0-dev \
    libxcb-shape0 \
    libxcb-shape0-dev \
    libxcb-shm0 \
    libxcb-shm0-dev \
    libxcb-sync-dev \
    libxcb-sync-dev \
    libxcb-sync1 \
    libxcb-util1 \
    libxcb-util-dev \
    libxcb-xevie0 \
    libxcb-xevie0-dev \
    libxcb-xf86dri0 \
    libxcb-xf86dri0-dev \
    libxcb-xfixes0 \
    libxcb-xfixes0-dev \
    libxcb-xinerama0 \
    libxcb-xinerama0-dev \
    libxcb-xkb-dev \
    libxcb-xkb1 \
    libxcb-xprint0 \
    libxcb-xprint0-dev \
    libxcb-xtest0 \
    libxcb-xtest0-dev \
    libxcb-xv0 \
    libxcb-xv0-dev \
    libxcb-xvmc0 \
    libxcb-xvmc0-dev \
    libxcb1 \
    libxcb1-dev \
    libxcomposite-dev \
    libxcursor-dev \
    libxdamage-dev \
    libxext-dev \
    libxfixes-dev \
    libxi-dev \
    libxkbcommon-dev \
    libxrandr-dev \
    libxrender-dev \
    libxslt1-dev \
    libxss-dev \
    libxtst-dev \
    perl \
    python \
    ruby
    
    apt-get install \
    libpq-dev \
    libmysqlclient-dev \
    libsqlite3-dev
    
    cd /usr/local/src
    
    wget https://download.qt.io/official_releases/qt/5.8/5.8.0/single/qt-everywhere-opensource-src-5.8.0.tar.gz
    
    tar -xvzf qt-everywhere-opensource-src-5.8.0.tar.gz
    
    cd qt-everywhere-opensource-src-5.8.0
    
    ./configure \
    -opensource -confirm-license \
    -opengl es2 \
    -nomake tools \
    -nomake examples \
    -nomake tests \
    -skip qtwebkit \
    -skip qtwebkit-examples
    
    # -j{4} number of CPU cores
    
    make -j4
    make install
    
    cd /usr/local
    
    


  • Thanks @ambershark
    I should have specified that my question was for the case of cross-compiling Qt for an RPi-class embedded device. In particular, I am building on an x86-64 PC running Ubuntu 16.04.2, for an aarch64 Odroid C2 also running Ubuntu 16.04.2. After a lot of rooting around, I have discovered that the problem is the following:

    One of the places where the "undefined reference" error hits, is for a surprisingly mundane function like QString::resize(), in a link target like libQt5Xml.so:

    ~/Projects/ARM/gcc-linaro-6.3.1-2017.02-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-g++ -shared
    -o libQt5Xml.so.5.8.0
    -L~/Projects/Odroid/C2/sysroot/usr/lib -L~/Projects/Odroid/C2/sysroot/lib/aarch64-linux-gnu -L~/Projects/Odroid/C2/sysroot/usr/lib/aarch64-linux-gnu -lrt -ldl -L~/Projects/Odroid/C2/Qt/qt5-build/lib 
    -lQt5Core -lpthread
    

    Objects like qstring.o were bundled like so into libQt5Core.so, preceding the above step:

    aarch64-linux-gnu-g++ -shared -o libQt5Core.so.5.8.0 ... .obj/qstring.o ...<many other .o objects here>... -L~/Projects/Odroid/C2/sysroot/usr/lib -L~/Projects/Odroid/C2/sysroot/lib/aarch64-linux-gnu -L~/Projects/Odroid/C2/sysroot/usr/lib/aarch64-linux-gnu -lrt -ldl -lpthread -licui18n -licuuc -licudata -lm -ldl -lrt -lz -lpcre16 -lgthread-2.0 -lglib-2.0
    

    So the make process is building a libQt5Core.so, pulling in required libs (e.g. libicudata.so, libdl.so, librt.so etc) from the target machine from the *lib* directories under sysroot. The newly created libQt5Core.so is located in the qt5-build/lib directory on the host machine.

    The problem arises when the linker tries to create a target that requires libQt5Core.so. Repeating part of the libQt5Xml.so build command above, the directories searched for dependencies are:

    -L~/Projects/Odroid/C2/sysroot/usr/lib 
    -L~/Projects/Odroid/C2/sysroot/lib/aarch64-linux-gnu 
    -L~/Projects/Odroid/C2/sysroot/usr/lib/aarch64-linux-gnu -lrt -ldl 
    -L~/Projects/Odroid/C2/Qt/qt5-build/lib -lQt5Core -lpthread
    

    Of these, the ones under sysroot are on the target device and the last one is on the host. The problem is that the target also has (an older) Qt5 installation (5.5.1) on it. /usr/lib/aarch64-linux-gnu on the target has all the libQt5*.so files, including libQt5Core.so. It seems like the linker picks up the first libQt5Core.so it finds, which is the one on the target, not the one that was just built on the host (under qt5-build/lib). That does not have the functions required by the new Qt version, and the link fails.

    Removing the older Qt5 on the target

    odroid@odroid64:~$ sudo apt-get remove libqt5*
    

    works and the 'make' completes without errors. If only the order of directories in the link step could be reversed (such that the local dir is searched first) then the correct libQt5Core.so could be used.

    So ultimately, after this long-winded explanation, the question is, is there a way to force the linker to look in the local directories first? I tried the -R option on 'configure', setting it to the qt5-build/lib directory on the host, but that didn't make a difference.



  • @vikramg Hmm that's a good question. It really shouldn't be behaving like that.

    I wonder if you try passing LDFLAGS="-L/qt/lib/dir/you/want/to/use" to your configure and subsequent build. I'm not sure if that would work but it may. You could try that in CFLAGS as well or CXXFLAGS.

    It shouldn't use the system libs over your libs specified with -L paths though. I'm not sure why it's doing that.



  • @ambershark Some options suggested here seem promising:

    1. export LIBRARY_PATH=/local/qt/lib/dir. Then run configure/make.

    2. Save the following as a shell script called aarch64-linux-gnu-g++:

        #!/bin/sh
        exec /real/path/to/aarch64-linux-gnu-g++ -L/local/qt/lib/dir "$@"
    

    Then 'chmod +x' the script and put it first in your PATH.

    I will try these as well as the LDFLAGS/CXXFLAGS options the next time I try a build, and update this thread if one of them works.


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