Second commit

.github/workflows/main.yml

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+name: Merge pipeline
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    name: Build '${{ matrix.project }}' container
+    strategy:
+      fail-fast: false
+      matrix:
+        project: [ linux-amd64, linux-arm32v7, linux-arm64 ]
+
+    runs-on: ubuntu-20.04
+
+    steps:
+    - name: Checkout source code
+      uses: actions/checkout@v2
+
+    - name: Allow multiarch
+      run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+
+    - name: Build container
+      run: |
+        cd ${{ matrix.project }} 
+        docker build . --tag totalcross/${{ matrix.project }}
+
+    - name: Login to DockerHub
+      if: ${{ github.ref == 'refs/heads/main' }}
+      uses: docker/login-action@v1 
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Push to DockerHub
+      if: ${{ github.ref == 'refs/heads/main' }}
+      run: docker push totalcross/${{ matrix.project }}:latest

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+    - 'v*' # Push events to matching v*, i.e. v6.1.1, v7.0.0
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Version (name of the tag to be referenced)'
+        required: true
+
+jobs:
+  docker:
+    name: DockerHub tagging
+    strategy:
+      fail-fast: false
+      matrix:
+        project: [ linux-amd64, linux-arm32v7, linux-arm64 ]
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Login to DockerHub
+      uses: docker/login-action@v1 
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+    - name: Pull latest container
+      run: docker pull totalcross/${{ matrix.project }}:latest
+    - name: Tag latest container with the same repo tag
+      run: docker tag totalcross/${{ matrix.project }}:latest totalcross/${{ matrix.project }}:${GITHUB_REF##*/}
+    - name: Push the new tag
+      run: docker push totalcross/${{ matrix.project }}:${GITHUB_REF##*/}

linux-amd64/Dockerfile

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+FROM amd64/ubuntu:bionic
+
+RUN apt-get update
+RUN apt-get install -y cmake ninja-build libsdl2-dev libfontconfig1-dev
+
+ENV BUILD_FOLDER /build
+
+WORKDIR ${BUILD_FOLDER}

linux-arm32v7/Dockerfile

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+FROM arm32v7/ubuntu:bionic
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        cmake \
+        ninja-build \
+        build-essential \
+        libfontconfig1-dev \
+        libtool \
+        libasound2-dev \
+        libpulse-dev \
+        libaudio-dev \
+        libx11-dev \
+        libxext-dev \
+        libxrandr-dev \
+        libxcursor-dev \
+        libxi-dev \
+        libxinerama-dev \
+        libxxf86vm-dev \
+        libxss-dev \
+        libgl1-mesa-dev \
+        libdbus-1-dev \
+        libudev-dev \
+        libgles2-mesa-dev \
+        libegl1-mesa-dev \
+        libibus-1.0-dev \
+        fcitx-libs-dev \
+        libsamplerate0-dev \
+        libsndio-dev \
+        libwayland-dev \
+        libxkbcommon-dev \
+        wayland-protocols \
+        git \
+        ca-certificates; \
+    apt-get install -y libglvnd-dev || apt-get -f install; \
+    apt-get clean
+
+RUN git clone https://github.com/SDL-mirror/SDL.git \
+        --branch=release-2.0.10 \
+        --single-branch \
+        --depth=1 \
+    && cd SDL \
+    && mkdir build; cd build \
+    && CFLAGS="-O3 -fPIC" \
+    cmake ../ -G Ninja \
+        -DSDL_SHARED=0 \
+        -DSDL_AUDIO=0 \
+        -DVIDEO_VIVANTE=ON \
+        -DVIDEO_WAYLAND=ON \
+        -DWAYLAND_SHARED=ON; \
+    ninja install
+
+RUN rm -r /SDL
+
+ENV BUILD_FOLDER /build
+
+WORKDIR ${BUILD_FOLDER}

linux-arm64/Dockerfile

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+FROM arm64v8/ubuntu:bionic
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        cmake \
+        ninja-build \
+        build-essential \
+        libfontconfig1-dev \
+        libtool \
+        libasound2-dev \
+        libpulse-dev \
+        libaudio-dev \
+        libx11-dev \
+        libxext-dev \
+        libxrandr-dev \
+        libxcursor-dev \
+        libxi-dev \
+        libxinerama-dev \
+        libxxf86vm-dev \
+        libxss-dev \
+        libgl1-mesa-dev \
+        libdbus-1-dev \
+        libudev-dev \
+        libgles2-mesa-dev \
+        libegl1-mesa-dev \
+        libibus-1.0-dev \
+        fcitx-libs-dev \
+        libsamplerate0-dev \
+        libsndio-dev \
+        libwayland-dev \
+        libxkbcommon-dev \
+        wayland-protocols \
+        git \
+        ca-certificates; \
+    apt-get install -y libglvnd-dev || apt-get -f install; \
+    apt-get clean
+
+RUN git clone https://github.com/SDL-mirror/SDL.git \
+        --branch=release-2.0.10 \
+        --single-branch \
+        --depth=1 \
+    && cd SDL \
+    && mkdir build; cd build \
+    && CFLAGS="-O3 -fPIC" \
+    cmake ../ -G Ninja \
+        -DSDL_SHARED=0 \
+        -DSDL_AUDIO=0 \
+        -DVIDEO_VIVANTE=ON \
+        -DVIDEO_WAYLAND=ON \ 
+        -DWAYLAND_SHARED=ON; \
+    ninja install
+
+RUN rm -r /SDL  
+
+ENV BUILD_FOLDER /build
+
+WORKDIR ${BUILD_FOLDER}