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Native Build of Qt5 on a Raspberry Pi: Difference between revisions

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m (install libriaries not avaialble.)
m (Cleaned up comment)
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libxi-dev libdrm-dev</code>
libxi-dev libdrm-dev</code>


<p style="font-weight:strong">There is an issue when trying to install 'libjpeg62-dev' and also 'libxcb-sync0', this page needs updating and correcting.  Tried this tutorial on Raspberry PI3 and PI Zero, unable to complete.</p>
<p style="font-weight:bold;">There is an issue when trying to install:
<ui><li>libjpeg62-dev</li><li>libxcb-sync0</li></ul>
Will not install, this page needs updating and correcting.  Tried this tutorial on Raspberry PI3 and PI Zero, unable to complete.</p>


Then make your build directory:
Then make your build directory:

Revision as of 15:59, 12 June 2016

This article may require cleanup to meet the Qt Wiki's quality standards. Reason: Merge with Native_Build_of_Qt_5.4.1_on_a_Raspberry_Pi
Please improve this article if you can. Remove the {{cleanup}} tag and add this page to Updated pages list after it's clean.

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There are many tutorials online for building Qt5 on the Raspberry Pi, but all or most of those tutorials are for using a desktop machine to cross compile the binaries for the Raspberry Pi. You will not be able to run qmake and make on the Raspberry Pi itself if you cross compile. This tutorial is meant to show you how to natively compile Qt 5 on the Raspberry Pi so that you can use qmake and make on the Raspberry Pi itself without cross compiling or relying on an external desktop. A more recent set of instructions for building Qt5 from a source tarball on a Raspberry Pi 2 is available here.

First start off by obtaining either the latest version of Raspbian or the May 23rd version (the one I used for this tutorial). You will need at least an 8GB SD card because the space required is a bit over 4GB. Also make sure you are using the Model B or B+ with 512MB RAM. The early Raspberry Pis were shipped with 256 MB RAM which isn't sufficient and will result in an gcc error.

Turn on your Raspberry Pi and log in. Make sure you have it connected properly to the internet and that you have a power supply that is at least 1A. You may also want to overclock your Pi. I overclocked mine at 900 MHz and it took 38 hours to compile and the temperature was a steady 51 C - 54 C (with case, no heat-sinks, no fans).

Install packages needed for compiling:

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install libfontconfig1-dev libdbus-1-dev libfreetype6-dev libudev-dev libicu-dev libsqlite3-dev
libxslt1-dev libssl-dev libasound2-dev libavcodec-dev libavformat-dev libswscale-dev libgstreamer0.10-dev
libgstreamer-plugins-base0.10-dev gstreamer-tools gstreamer0.10-plugins-good gstreamer0.10-plugins-bad
libraspberrypi-dev libpulse-dev libx11-dev libglib2.0-dev libcups2-dev freetds-dev libsqlite0-dev libpq-dev
libiodbc2-dev libmysqlclient-dev firebird-dev libpng12-dev libjpeg62-dev libgst-dev libxext-dev libxcb1 libxcb1-dev
libx11-xcb1 libx11-xcb-dev libxcb-keysyms1 libxcb-keysyms1-dev libxcb-image0 libxcb-image0-dev libxcb-shm0
libxcb-shm0-dev libxcb-icccm4 libxcb-icccm4-dev libxcb-sync0 libxcb-sync0-dev libxcb-render-util0
libxcb-render-util0-dev libxcb-xfixes0-dev libxrender-dev libxcb-shape0-dev libxcb-randr0-dev libxcb-glx0-dev
libxi-dev libdrm-dev

There is an issue when trying to install: <ui>

  • libjpeg62-dev
  • libxcb-sync0
  • Will not install, this page needs updating and correcting. Tried this tutorial on Raspberry PI3 and PI Zero, unable to complete.

    Then make your build directory:

    mkdir ~/opt
    cd ~/opt
    

    Retrieve qt5 source code from git:

    git clone git://code.qt.io/qt/qt5.git
    

    Retrieve git sources for other components

    cd qt5
    ./init-repository
    

    Do not apply any patches that are available out there. They are no longer necessary with the latest Qt5. The git source should compile with a few tricks in the configure parameters without any patches.

    First make sure you are in the qt5 directory.

    cd ~/opt/qt5
    

    In order to get the configure script to build all of the Makefiles correctly you will need to tweak your ~/opt/qt5/qtbase/configure script. Use your favorite text editor (vim, nano, emacs) and change/add the following code in the ~/opt/qt5/qtbase/configure script (search for QT_CFLAGS_DBUS):

    # flags for raspberry pi build
    # flags for libdbus-1
    QT_CFLAGS_DBUS="-I/usr/include/dbus-1.0/ -I/usr/lib/arm-linux-gnueabihf/dbus-1.0/include/"
    QT_LIBS_DBUS=-ldbus-1
    
    # flags for Glib (X11 only)
    QT_CFLAGS_GLIB="-I/usr/include/glib-2.0/ -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include/"
    QT_LIBS_GLIB=-lglib-2.0
    
    QT_CFLAGS_PULSEAUDIO="-I/usr/include/glib-2.0/ -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include/"
    QT_LIBS_PULSEAUDIO="-lpulse -lpulse-mainloop-glib"
    
    # flags for GStreamer (X11 only)
    QT_CFLAGS_GSTREAMER="-I/usr/include/gstreamer-0.10/ -I/usr/include/glib-2.0/ -I/usr/lib/arm-linux-
    gnueabihf/glib-2.0/include/ -I/usr/include/libxml2/"
    QT_LIBS_GSTREAMER=
    

    Then before closing the file search for QT_CFLAGS_FONTCONFIG in the configure script. It should be below the above entries, you need to change the one in the else statement to this:

    QT_CFLAGS_FONTCONFIG=-I/usr/include/freetype2/
    

    If the above changes are hard to follow then you can use the following patch file:

    1030,1031c1030,1031
    < QT_CFLAGS_DBUS=
    < QT_LIBS_DBUS=
    
    > QT_CFLAGS_DBUS="-I/usr/include/dbus-1.0/ -I/usr/lib/arm-linux-gnueabihf/dbus-1.0/include/"
    > QT_LIBS_DBUS=-ldbus-1
    1034,1035c1034,1038
    < QT_CFLAGS_GLIB=
    < QT_LIBS_GLIB=
    
    > QT_CFLAGS_GLIB="-I/usr/include/glib-2.0/ -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include/"
    > QT_LIBS_GLIB=-lglib-2.0
    >
    > QT_CFLAGS_PULSEAUDIO="-I/usr/include/glib-2.0/ -I/usr/lib/arm-linux-gnueabihf/glib-2.0/include/"
    > QT_LIBS_PULSEAUDIO="-lpulse -lpulse-mainloop-glib"
    1038c1041
    < QT_CFLAGS_GSTREAMER=
    
    > QT_CFLAGS_GSTREAMER="-I/usr/include/gstreamer-0.10/ -I/usr/include/glib-2.0/ -I/usr/lib/arm-linux-
    gnueabihf/glib-2.0/include/ -I/usr/include/libxml2/"
    5123c5126
    < QT_CFLAGS_FONTCONFIG=
    
    > QT_CFLAGS_FONTCONFIG=-I/usr/include/freetype2/
    

    In order to properly run configure for Qt5 on the Raspberry Pi, you need to point the CROSS_COMPILE variable to the native compiler located at /usr/bin/g+. The CROSS_COMPILE parameter is the path to the compiler (without the g). If you do not do this properly it will complain that it is not being cross compiled.

    All output is stored in the file called ‘output’ in case something goes wrong. At the end of the output file it should say you can run ‘make’, if not look for errors at the end of the output.

    Do not be concerned with some things not building due to missing packages, there will be errors for those. If it does not mention that you can run make then check the last error, it is generally the show-stopper. Run configure:

    ./configure -v -opengl es2 -device linux-rasp-pi-g''+ -device-option CROSS_COMPILE=/usr/bin/ -opensource
    -confirm-license -optimized-qmake -reduce-exports -release -qt-pcre -make libs -prefix /usr/local/qt5 &> output
    

    Check the output file to see that it is building the components you need (towards the end of the output it will have Yes next to the Qt Components that will be built) and it should say that you can now run 'make'.

    Example from 'output' file:

    
    Build options:
     Configuration ………. accessibility accessibility-atspi-bridge alsa audio-backend c+''11 clock-gettime
    clock-monotonic concurrent cross_compile cups dbus egl eglfs evdev eventfd fontconfig full-config getaddrinfo
    getifaddrs glib gstreamer iconv icu inotify ipv6ifname large-config largefile libudev linuxfb medium-config
    minimal-config mremap neon nis no-pkg-config opengl opengles2 openssl pcre png precompile_header pulseaudio
    qpa qpa reduce_exports reduce_relocations release rpath shared small-config system-freetype system-jpeg
    system-png system-zlib v8 v8snapshot xcb xcb-glx xcb-render xcb-xlib xinput2 xkbcommon-qt xlib xrender
     Build parts ………… libs
     Mode ………………. release
     Using C''+11 ………… yes
     Using PCH ………….. yes
     Target compiler supports:
     iWMMXt/Neon ………. no/yes
    
    Qt modules and options:
     Qt D-Bus …………… yes (loading dbus-1 at runtime)
     Qt Concurrent ………. yes
     Qt GUI …………….. yes
     Qt Widgets …………. yes
     JavaScriptCore JIT .. yes (To be decided by JavaScriptCore)
     QML debugging ………. yes
     Use system proxies .. no
    
    Support enabled for:
     Accessibility ………. yes
     ALSA ………………. yes
     CUPS ………………. yes
     FontConfig …………. yes
     Iconv ……………… yes
     ICU ……………….. yes
     Image formats:
     GIF ……………… yes (plugin, using system library)
     JPEG …………….. yes (plugin, using system library)
     PNG ……………… yes (in QtGui, using system library)
     Glib ………………. yes
     GStreamer ………….. yes
     GTK theme ………….. no
     Large File …………. yes
     libudev ……………. yes
     Networking:
     getaddrinfo ………. yes
     getifaddrs ……….. yes
     IPv6 ifname ………. yes
     OpenSSL ………….. yes (loading libraries at run-time)
     NIS ……………….. yes
     OpenGL …………….. yes (OpenGL ES 2.x)
     OpenVG …………….. no
     PCRE ………………. yes (bundled copy)
     pkg-config …………. no
     PulseAudio …………. yes
     QPA backends:
     DirectFB …………. no
     EGLFS ……………. yes
     KMS ……………… no
     LinuxFB ………….. yes
     XCB ……………… yes (system library)
     MIT-SHM ………… yes
     Xcursor ………… yes (loaded at runtime)
     Xfixes …………. yes (loaded at runtime)
     Xi …………….. no
     Xi2 ……………. yes
     Xinerama ……….. yes (loaded at runtime)
     Xrandr …………. yes (loaded at runtime)
     Xrender ………… yes
     XKB ……………. no
     XShape …………. yes
     XSync ………….. yes
     XVideo …………. yes
     Session management .. yes
     SQL drivers:
     DB2 ……………… no
     InterBase ………… no
     MySQL ……………. yes (plugin)
     OCI ……………… no
     ODBC …………….. yes (plugin)
     PostgreSQL ……….. yes (plugin)
     SQLite 2 …………. yes (plugin)
     SQLite …………… yes (plugin, using bundled copy)
     TDS ……………… yes (plugin)
     udev ………………. yes
     xkbcommon ………….. yes (bundled copy)
     zlib ………………. yes (system library)
    
    NOTE: libxkbcommon 0.2.0 (or higher) not found on the system, will use
    the bundled version from 3rd party directory.
    
    Qt is now configured for building. Just run 'make'.
    Once everything is built, you must run 'make install'.
    Qt will be installed into /usr/local/qt5
    
    Prior to reconfiguration, make sure you remove any leftovers from
    the previous build.
    

    Note, the compilation will take about two days to compile overclocked at 900 MHz. If you are logged in remotely consider using byobu or screen so that you can detach your session.

    Then you need to run make as follows (check for errors in the output_make file):

    make &> output_make
    

    If that is good then run make install (check for errors in the output_make_install file):

    sudo make install &> output_make_install
    

    After this you need to add some lines to your .bashrc file:

    export LD_LIBRARY_PATH=/usr/local/qt5/lib/
    export PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/local/qt5/bin
    

    You need to source your .bashrc file to set-up the above environment variables:

    source ~/.bashrc
    

    Then run this and check that it points to /usr/local/qt5/bin/qmake

    which qmake
    

    Example output:

    pi@raspberrypi ~/opt/qt5 $ which qmake
    /usr/local/qt5/bin/qmake
    

    After this you should be able to compile the sample applications and run them. Try the OpenGL Cube (I have not tested this in X windows, only from the console):

    cp -r~/opt/qt5/qtbase/examples/opengl/cube ~/
    cd~/cube
    qmake
    make
    ./cube