== Mycroft Mark2 GUI using system QT5 and KDE framework == This is based on the very helpful build log of user AIIX that he published on https://github.com/AIIX/Documentation/blob/master/Custom-RPI4-MycroftImage.md He is doing this on Rasbperry 4 while the target here is Raspberry 3B but also on 64-bit. === Install Linux === Get https://ubuntu.com/download/raspberry-pi/thank-you?version=20.04&architecture=arm64+raspi (Ubuntu Server 20.04 for 64-bit arm - codename focal) flash it to sdcard and boot. After first boot login as ubuntu/ubuntu (takes a while until you can do this), change password ==== Wifi ==== * ls /sys/class/net on RP3 the wifi interface is the wlan0 * sudo nano /etc/netplan/50-cloud-init.yaml {{{ # network: {config: disabled} network: ethernets: eth0: dhcp4: true optional: true version: 2 wifis: wlan0: optional: true access-points: "ESSID-of-the-Accesspoint": password: "your-password" dhcp4: true }}} ==== user ==== * sudo useradd mycroft -g users -G sudo -m -s /bin/bash * sudo passwd mycroft * sudo nano /etc/group (add mycroft to all groups like ubuntu) From now on work as user mycroft === update / initial apt setup === * sudo apt-get update && sudo apt-get dist-upgrade -y * sudo apt install git gnupg wget curl apt-transport-https software-properties-common Do the next steps as root: * sudo su - Add KDE Neon gpg key: * wget -qO - 'http://archive.neon.kde.org/public.key' | sudo apt-key add - Add the repository * echo "deb https://archive.neon.kde.org/unstable focal main" > /etc/apt/sources.list.d/neon.list === mycroft core === * sudo apt-get install git python3 python3-dev python3-setuptools libtool libffi-dev libssl-dev autoconf automake bison swig libglib2.0-dev portaudio19-dev mpg123 screen flac curl libicu-dev pkg-config libjpeg-dev libfann-dev build-essential jq === Install the system Libraries === I will try to come up with a completer list later but I think most of it should be in the dependencies of the following * sudo apt install plasma-workspace-dev libkf5plasma-dev === build plasma-nano === For debian testing we need to switch to tag 5.17.90 because the system kde framework is 5.62 and plasma-nano >= 5.18 needs kde framework 5.66 * cd ~ * git clone https://github.com/KDE/plasma-nano * cd plasma-nano * git checkout tags/v5.17.90 -b master_5_17_90 * mkdir build * cd build * cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -DKDE_INSTALL_LIBDIR=lib -DKDE_INSTALL_USE_QT_SYS_PATHS=ON this results in an error: {{{ * Qt5Network (required version >= 5.12.5) * Qt5Qml * Qt5Quick * Qt5 (required version >= 5.2.0) * ECM (required version >= 1.6.0) * Qt5Core * KF5Plasma (required version >= 5.0.0) * KF5WindowSystem (required version >= 5.0.0) * Qt5Gui (required version >= 5.11.0) * KF5Wayland (required version >= 5.0.0) * KF5 (required version >= 5.0.0) CMake Warning at /usr/lib/arm-linux-gnueabihf/cmake/KF5Package/KF5PackageMacros.cmake:64 (message): couldn't generate metainfo for org.kde.plasma.nano: Package type "Plasma/Shell" not found Error: description missing, will result in broken appdata field as is mandatory at /home/pi/plasma-nano/shell/metadata.desktop Call Stack (most recent call first): /usr/lib/arm-linux-gnueabihf/cmake/KF5Plasma/KF5PlasmaMacros.cmake:34 (kpackage_install_package) CMakeLists.txt:35 (plasma_install_package) }}} I think this is an error in the 5.17 release, have to check this in detail