validateandroid.yml

name: validate Android 

env:
  BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
  ARCHFLAGS: --android

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - '*'
  workflow_dispatch:

jobs:
  install:
    if: contains(github.event.head_commit.message, 'androidbuild') || contains(github.event.pull_request.title, 'androidbuild') || github.event_name == 'workflow_dispatch'
    runs-on: macos-26
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          fetch-depth: 0
          submodules: true
          token: ${{ secrets.GITHUB_TOKEN }}
      # The runner's default ANDROID_NDK is an older LTS (r27). Use the
      # latest stable NDK preinstalled on the image (r29 = clang 21).
      # Modules build on r27+ too (StreamrModules.cmake floors at NDK
      # clang 18) — building with the latest stable is hygiene, not a
      # modules requirement.
      - name: use latest stable NDK
        run: |
          echo "ANDROID_NDK=$ANDROID_NDK_LATEST_HOME" >> "$GITHUB_ENV"
          echo "ANDROID_NDK_HOME=$ANDROID_NDK_LATEST_HOME" >> "$GITHUB_ENV"
          echo "ANDROID_NDK_ROOT=$ANDROID_NDK_LATEST_HOME" >> "$GITHUB_ENV"
          # NB: the prebuilt dir is named darwin-x86_64 even on ARM Macs
          # (universal binaries under the legacy name).
          "$ANDROID_NDK_LATEST_HOME"/toolchains/llvm/prebuilt/darwin-*/bin/clang --version | head -1
        shell: bash
      - name: install
        uses: ./.github/workflows/reusable/cached-install
      # No lint step: linting is host-independent and runs on the
      # validate.yml legs. On an Android tree the import-using test files
      # have no compile commands (tests are not built on Android — see
      # StreamrModules.cmake), so clangd produces spurious diagnostics.