linux-aarch64.yml

name: linux-aarch64
on: push

env:
  TESSERACT_VERSION: 5.3.3

jobs:
  build:
    name: Build ${{ matrix.binary }}
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - binary: libtesseract.so.aarch64
    steps:
    - uses: actions/checkout@v4.1.6
    - name: Install Dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y gcc-10-aarch64-linux-gnu g++-10-aarch64-linux-gnu pkg-config-aarch64-linux-gnu binutils-aarch64-linux-gnu autoconf ninja-build
    
    - name: Build Leptonica
      run: |
        echo "Building leptonica..."
        git clone --depth 1 https://github.com/DanBloomberg/leptonica.git
        cd leptonica
        ./autogen.sh
        ./configure '--host=aarch64-linux' '--with-pic' '--disable-shared' '--without-libpng' '--without-zlib' '--without-jpeg' '--without-libtiff' '--without-giflib' '--without-libwebp' '--without-libwebpmux' '--without-libopenjpeg' '--disable-programs' 'CC=aarch64-linux-gnu-gcc-10' 'CXX=aarch64-linux-gnu-g++-10' 'CFLAGS=-D DEFAULT_SEVERITY=L_SEVERITY_ERROR -g0 -O3'
        make
        sudo make install

    - name: Build Tesseract
      run: |
        echo "Building Tesseract..."
        git clone --depth 1 --branch ${{ env.TESSERACT_VERSION }} https://github.com/tesseract-ocr/tesseract.git
        cd tesseract
        ./autogen.sh
        ./configure '--host=aarch64-linux' '--with-pic' '--enable-visibility' '--disable-shared' '--disable-legacy' '--disable-graphics' '--disable-openmp' '--without-curl' '--without-archive' '--disable-doc' 'CC=aarch64-linux-gnu-gcc-10' 'CXX=aarch64-linux-gnu-g++-10' 'CXXFLAGS=-g0 -O3 -ffast-math'
        make
        sudo make install install

    - name: Build Library
      run: |
        mkdir -p build
        cmake -S . -B build -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=aarch64 -DCMAKE_C_COMPILER=/usr/bin/aarch64-linux-gnu-gcc-10 -DCMAKE_CXX_COMPILER=/usr/bin/aarch64-linux-gnu-g++-10 -G Ninja
        cmake --build build --config Release
        mv build/libtesseract64.so build/libtesseract.so.aarch64 

    - uses: actions/upload-artifact@v4.3.3
      with:
          name: ${{ matrix.binary }}
          path: build/${{ matrix.binary }}
          retention-days: 5