main-openwrt.yml

name: Build for armel (static) using the OpenWrt SDK

on:
  push:
  pull_request:
  schedule:
    # Weekly build (on saturday)
    - cron: '0 0 * * 4'

jobs:
  build-armel-owrt:
    runs-on: 'ubuntu-24.04'
    steps:
    - uses: actions/checkout@v4
      with:
        submodules: recursive
    - name: install extra deps for nektos/act
      if: ${{ env.ACT }}
      run: |
        sudo apt-get update
        sudo apt-get -y install rsync
    - name: Get the SDK
      run: |
        # in December 2024/January 2025, https://downloads.openwrt.org/snapshots/targets/mxs/generic/openwrt-sdk-mxs-generic_gcc-13.3.0_musl_eabi.Linux-x86_64.tar.zst
        # (master snapshot) worked too, but I prefer a more stable target. The resulting binary was 8 kbytes smaller on master at the time.
        wget --progress=dot:giga https://downloads.openwrt.org/releases/24.10.0-rc4/targets/mxs/generic/openwrt-sdk-24.10.0-rc4-mxs-generic_gcc-13.3.0_musl_eabi.Linux-x86_64.tar.zst
        tar xf openwrt-sdk-*.tar.zst
        rm -f openwrt-sdk-*.tar.zst
        mv openwrt-sdk-* ../sdk
    - name: Set up package dir
      run: |
        cd ../sdk
        mkdir -p ../package/voorkant
        # I used symlinks in an earlier iteration, which failed because the package dir was inside. Might be an interesting optimisation, please test in GH Actions -and- act if you try symlinks here.
        cp "${GITHUB_WORKSPACE}"/openwrt-package/voorkant/Makefile ../package/voorkant/ # I guess this could be a recursive copy instead, in case we add files/ at some point
        cp -fpR "${GITHUB_WORKSPACE}" ../package/voorkant/src
        ( echo "src-link voorkant ${GITHUB_WORKSPACE}/../package" ; cat feeds.conf.default ) > feeds.conf
    - name: Update packages feed
      run: |
        cd "../sdk"
        scripts/feeds update packages
        scripts/feeds update base
        scripts/feeds update voorkant
        cd feeds/packages && patch -p1 < ${GITHUB_WORKSPACE}/openwrt-package/libcurl-websockets.patch
    - name: Build package
      run: |
        set -x
        cd "../sdk"
        scripts/feeds install -f voorkant
        cat ${GITHUB_WORKSPACE}/openwrt-package/default-dot-config >> .config
        make defconfig
        make -j$(nproc) V=s package/voorkant/compile
        make -j1 V=s package/index
    - name: Prepare artifact
      run: |
        cd ../sdk
        find bin/packages/ -ls
        tar cf ${GITHUB_WORKSPACE}/packages.tar bin/packages/ .config
    # FIXME: put something useful (git hash?) in artifact name. We also want this in other workflows.
    - uses: actions/upload-artifact@v4
      with:
        name: openwrt-armel-build
        path: packages.tar