Add ubuntu 18.04 arm64 recipe

README.md

 # mauikit-docker-images
 
-Docker Images for building mauikit based applications
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+Docker Images for building mauikit based applications
+
+# What is MauiKit ?
+
+MauiKit is a set of utilities and "templated" controls based on Kirigami and QCC2 that follow the ongoing work on the Maui HIG.
+It let you quickly create a Maui application and access utilities and widgets shared amoing the other Maui apps.
+
+# MauiKit sources
+
+[https://invent.kde.org/kde/mauikit]()
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ubuntu/18.04-amd64/Dockerfile

+FROM appimagecrafters/appimage-builder:ubuntu-18.04-arm64
+
+RUN apt-get update
+RUN apt-get install curl -y
+
+# setup kde neon repositories
+RUN echo "deb http://archive.neon.kde.org/user bionic main" > /etc/apt/sources.list.d/neon.list
+RUN curl https://origin.archive.neon.kde.org/public.key -sS | apt-key add -
+RUN apt-get update
+
+# install toolchain
+RUN apt-get install -y g++ cmake git gettext checkinstall
+
+# install mauikit dependencies
+RUN apt-get install -y libkf5configwidgets-dev libkf5kio-dev libkf5service-dev libkf5config-dev \
+  libkf5notifications-dev libkf5i18n-dev extra-cmake-modules libqt5svg5-dev qtquickcontrols2-5-dev \
+  qtdeclarative5-dev qtwebengine5-dev libkf5syntaxhighlighting-dev
+
+# Build mauikit
+RUN git clone https://invent.kde.org/kde/mauikit.git /tmp/mauikit --depth=1 --branch master
+WORKDIR /tmp/mauikit
+RUN cmake . -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release
+RUN make -j$(nproc)
+
+# Install mauikit
+RUN checkinstall --pkgname mauikit --pkgversion 0.1.0 -y --backup=no
+
+WORKDIR /
+RUN rm -rf /tmp/mauikit
+RUN apt-get autoclean
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ubuntu/18.04-arm64/Dockerfile

+FROM appimagecrafters/appimage-builder:ubuntu-18.04-arm64
+
+RUN apt-get update
+RUN apt-get install curl -y
+
+
+# add foreign architecture for cross-compiling
+RUN dpkg --add-architecture arm64
+
+# setup kde neon repositories
+RUN echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic main multiverse universe" > /etc/apt/sources.list && \
+    echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic-updates main multiverse universe" >> /etc/apt/sources.list && \
+    echo "deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic-security main multiverse universe" >> /etc/apt/sources.list
+
+RUN apt-get update
+RUN apt-get dist-upgrade -y
+
+# install toolchain
+RUN apt-get -y -f --no-install-recommends install crossbuild-essential-arm64 cmake git gettext checkinstall \
+    pkg-config-aarch64-linux-gnu qemu-user-static qt5-qmake qtbase5-dev-tools
+
+ARG BUILD_ROOT=/tmp/buildroot
+WORKDIR $BUILD_ROOT
+
+ADD apt.conf etc/apt/
+ADD sources.list etc/apt/
+
+RUN mkdir -p \
+        etc/apt/trusted.gpg.d etc/apt/trusted.gpg.d \
+        var/lib/apt/lists/partial var/lib/dpkg \
+        var/cache/apt/archives/partial var/log/apt; \
+
+    touch var/lib/dpkg/status etc/apt/trusted.gpg.d/neon.gpg; \
+    cp -r /etc/apt/trusted.gpg.d etc/apt; \
+
+    # add kde neon repo key
+    curl https://origin.archive.neon.kde.org/public.key -sS | apt-key --keyring $BUILD_ROOT/etc/apt/trusted.gpg.d/neon.gpg add -; \
+    apt-get -c etc/apt/apt.conf update; \
+
+    # install mauikit dependencies
+    apt-get -c etc/apt/apt.conf -y --no-install-recommends --allow-remove-essential --download-only install \
+        libc-dev:arm64 libicu-dev:arm64 \
+        libkf5configwidgets-dev:arm64 libkf5kio-dev:arm64 \
+        libkf5service-dev:arm64 libkf5config-dev:arm64 libkf5notifications-dev:arm64 libkf5i18n-dev:arm64 \
+        extra-cmake-modules:arm64 libqt5svg5-dev:arm64 qtquickcontrols2-5-dev:arm64 qtdeclarative5-dev:arm64 \
+        qtwebengine5-dev:arm64 libkf5syntaxhighlighting-dev:arm64; \
+
+    # extract downloaded files
+    for DEB_FILE in var/cache/apt/archives/*.deb; do \
+        echo "Extracting: $DEB_FILE"; \
+        dpkg-deb -x $DEB_FILE $BUILD_ROOT; \
+    done ;\
+
+    # Copy libs and headers to the file system root
+    cp -rn lib/* /lib ;\
+    cp -rn usr/lib/* /usr/lib ;\
+    cp -rn usr/include/* /usr/include/ ;\
+    cp -rn usr/share/ECM /usr/share ;\
+    cp -rn usr/bin/* /usr/bin ;\
+
+    # cleanup
+    rm -rf $BUILD_ROOT
+
+# Generated from `dpkg-architecture -a arm64`
+ENV DEB_BUILD_ARCH=amd64 \
+    DEB_BUILD_ARCH_BITS=64 \
+    DEB_BUILD_ARCH_CPU=amd64 \
+    DEB_BUILD_ARCH_ENDIAN=little \
+    DEB_BUILD_ARCH_OS=linux \
+    DEB_BUILD_GNU_CPU=x86_64 \
+    DEB_BUILD_GNU_SYSTEM=linux-gnu \
+    DEB_BUILD_GNU_TYPE=x86_64-linux-gnu \
+    DEB_BUILD_MULTIARCH=x86_64-linux-gnu \
+    DEB_HOST_ARCH=arm64 \
+    DEB_HOST_ARCH_BITS=64 \
+    DEB_HOST_ARCH_CPU=arm64 \
+    DEB_HOST_ARCH_ENDIAN=little \
+    DEB_HOST_ARCH_OS=linux \
+    DEB_HOST_GNU_CPU=aarch64 \
+    DEB_HOST_GNU_SYSTEM=linux-gnu \
+    DEB_HOST_GNU_TYPE=aarch64-linux-gnu \
+    DEB_HOST_MULTIARCH=aarch64-linux-gnu \
+    DEB_TARGET_ARCH=arm64 \
+    DEB_TARGET_ARCH_BITS=64 \
+    DEB_TARGET_ARCH_CPU=arm64 \
+    DEB_TARGET_ARCH_ENDIAN=little \
+    DEB_TARGET_ARCH_OS=linux \
+    DEB_TARGET_GNU_CPU=aarch64 \
+    DEB_TARGET_GNU_SYSTEM=linux-gnu \
+    DEB_TARGET_GNU_TYPE=aarch64-linux-gnu \
+    DEB_TARGET_MULTIARCH=aarch64-linux-gnu \
+    PKG_CONFIG_LIBDIR=$BUILD_ROOT/usr/lib/aarch64-linux-gnu/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig \
+    CC=aarch64-linux-gnu-gcc \
+    CXX=aarch64-linux-gnu-g++
+
+ADD arm64-toolchain.cmake /
+
+# Build mauikit
+RUN git clone https://invent.kde.org/kde/mauikit.git /tmp/mauikit --depth=1 --branch master
+WORKDIR /tmp/mauikit
+
+RUN cmake . -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE='/arm64-toolchain.cmake' ;\
+    make -j$(nproc) ;\
+
+    # Install mauikit
+    checkinstall --pkgname=mauikit --pkgversion=0.1.0 --pkgarch=arm64 -y --backup=no ;\
+    rm -rf /tmp/mauikit
+
+RUN apt-get autoremove checkinstall ;\
+    apt-get autoclean
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ubuntu/18.04-arm64/apt.conf

+apt::Architecture "arm64";
+APT::Get::Host-Architecture "arm64";
+Dir "/tmp/buildroot";
+apt::Install-Recommends "false";
+APT::Default-Release "*";

ubuntu/18.04-arm64/arm64-toolchain.cmake

+# this one is important
+SET(CMAKE_SYSTEM_NAME Linux)
+#this one not so much
+SET(CMAKE_SYSTEM_VERSION 1)
+
+# specify the cross compiler
+SET(CMAKE_C_COMPILER   /usr/bin/aarch64-linux-gnu-gcc)
+SET(CMAKE_CXX_COMPILER /usr/bin/aarch64-linux-gnu-g++)
+
+# where is the target environment
+SET(CMAKE_FIND_ROOT_PATH /usr/lib/aarch64-linux-gnu /usr/lib/aarch64-linux-gnu/cmake/)
+
+# search for programs in the build host directories
+SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+
+# for libraries and headers in the target directories
+SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

ubuntu/18.04-arm64/sources.list

+deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports bionic main multiverse universe
+deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports bionic-updates main multiverse universe
+deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports bionic-security main multiverse universe
+deb [arch=arm64] http://archive.neon.kde.org/user bionic main
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