action.yml

name: "Cross-Compile Support on Ubuntu"
description: "Adds APT package repository for Ubuntu architecture and installs cross-compile packages from it."
inputs:
  arch:
    description: "A valid Ubuntu [arch] like arm64, armhf or i386"
    required: true
    default: "arm64"
runs:
  using: "composite"
  steps:
    - name: "Add repository and install packages"
      shell: bash
      env:
        ARCH: ${{ inputs.arch }}
      run: |
        export HOSTARCH=$(dpkg --print-architecture)
        export CODENAME=$(lsb_release -c -s)
        export APTFILE=/etc/apt/sources.list.d/$ARCH-cross-compile-sources.list
        sudo dpkg --add-architecture $ARCH
        if [ $CODENAME == noble ]; then \
          export DEFAULTAPTFILE=/etc/apt/sources.list.d/ubuntu.sources; \
          export REPLACETHIS="Components: main universe restricted multiverse"; \
          if [ $ARCH == i386 ]; then \
            sudo sed -i 's/'"$REPLACETHIS"'/'"$REPLACETHIS"'\nArchitectures: amd64 i386/g' $DEFAULTAPTFILE; \
          else \
            sudo sed -i 's/'"$REPLACETHIS"'/'"$REPLACETHIS"'\nArchitectures: amd64/g' $DEFAULTAPTFILE; \
          fi \
        else \
          export DEFAULTAPTFILE=/etc/apt/sources.list; \
          if [ $ARCH == i386 ]; then \
            sudo sed -i 's/deb http/deb [arch=amd64,i386] http/g' $DEFAULTAPTFILE; \
            sudo sed -i 's/deb mirror/deb [arch=amd64,i386] mirror/g' $DEFAULTAPTFILE; \
          else \
            sudo sed -i 's/deb http/deb [arch=amd64] http/g' $DEFAULTAPTFILE; \
            sudo sed -i 's/deb mirror/deb [arch=amd64] mirror/g' $DEFAULTAPTFILE; \
          fi \
        fi
        if [ $ARCH != amd64 ] && [ $ARCH != i386 ]; then \
          sudo bash -c "echo -e '\
            deb [arch=$ARCH] http://ports.ubuntu.com/ $CODENAME main restricted \n\
            deb [arch=$ARCH] http://ports.ubuntu.com/ $CODENAME-updates main restricted \n\
            deb [arch=$ARCH] http://ports.ubuntu.com/ $CODENAME universe \n\
            deb [arch=$ARCH] http://ports.ubuntu.com/ $CODENAME-updates universe \n\
            deb [arch=$ARCH] http://ports.ubuntu.com/ $CODENAME multiverse \n\
            deb [arch=$ARCH] http://ports.ubuntu.com/ $CODENAME-updates multiverse \n\
            deb [arch=$ARCH] http://ports.ubuntu.com/ $CODENAME-backports main restricted universe multiverse \n' > $APTFILE"; \
        fi
        sudo apt-get update
        sudo apt-get install -y \
            libstdc++6-$ARCH-cross \
            libc6-dev-$ARCH-cross \
            libc6-dev:$ARCH \
            linux-libc-dev-$ARCH-cross \
            linux-libc-dev:$ARCH
        if [ $ARCH != amd64 ] && [ $ARCH != i386 ]; then \
          sudo apt-get install -y crossbuild-essential-$ARCH; \
        fi        
        if [ $ARCH == amd64 ]; then export ARCHGCC=x86-64-linux-gnu; fi
        if [ $ARCH == i386 ]; then export ARCHGCC=i686-linux-gnu; fi
        if [ $ARCH == arm64 ]; then export ARCHGCC=aarch64-linux-gnu; fi
        if [ $ARCH == armhf ]; then export ARCHGCC=arm-linux-gnueabihf; fi
        if [ $ARCH == armel ]; then export ARCHGCC=arm-linux-gnueabi; fi 
        if [ $ARCH == mips64 ]; then export ARCHGCC=mips64-linux-gnuabi64; fi 
        if [ $ARCH == mips64el ]; then export ARCHGCC=mips64el-linux-gnuabi64-gcc; fi 
        if [ $ARCH == ppc64 ]; then export ARCHGCC=powerpc64-linux-gnu; fi 
        if [ $ARCH == ppc64el ]; then export ARCHGCC=powerpc64le-linux-gnu; fi 
        if [ $ARCH == riscv64 ]; then export ARCHGCC=riscv64-linux-gnu; fi 
        if [ $ARCH == s390x ]; then export ARCHGCC=s390x-linux-gnu; fi 
        if [ $ARCH == sparc64 ]; then export ARCHGCC=sparc64-linux-gnu; fi 
        if [ $CODENAME == bionic ]; then \
          sudo apt-get install -y \
            gcc-8-$ARCHGCC \
            g++-8-$ARCHGCC \
            libstdc++-8-dev-$ARCH-cross \
            libstdc++-8-dev:$ARCH; \
        fi       
        if [ $CODENAME == focal ]; then \
          sudo apt-get install -y \
            gcc-10-$ARCHGCC \
            g++-10-$ARCHGCC \
            libstdc++-10-dev-$ARCH-cross \
            libstdc++-10-dev:$ARCH; \
        fi
        if [ $CODENAME == jammy ]; then \
          sudo apt-get install -y \
            gcc-11-$ARCHGCC \
            g++-11-$ARCHGCC \
            libstdc++-11-dev-$ARCH-cross \
            libstdc++-11-dev:$ARCH; \
        fi
        if [ $CODENAME == noble ]; then \
          sudo apt-get install -y \
            gcc-13-$ARCHGCC \
            g++-13-$ARCHGCC \
            libstdc++-11-dev-$ARCH-cross \
            libstdc++-11-dev:$ARCH; \
        fi