build_cxx_sysroot.yml

name: Build C/C++ Sysroot

on:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]
  workflow_call:

permissions:
  contents: read
  checks: write

jobs:
  build_cxx_sysroot_eh:
    runs-on: ubuntu-latest
    container:
      image: archlinux:base-devel
      options: --user root --workdir /
    steps:
      - name: Update and install dependencies
        run: |
          pacman -Syu --noconfirm
          pacman -Sy --noconfirm coreutils nodejs npm wget git cmake ninja llvm clang rsync make lld wasmer cargo python3

      - name: Log tool versions
        run: |
          echo git
          git --version
          echo "##########################"
          echo wasmer
          wasmer -V
          echo "##########################"
          echo clang
          clang -v
          echo "##########################"
          echo llvm-ar
          llvm-ar -V
          echo "##########################"
          echo llvm-nm
          llvm-nm -V
          echo "##########################"
          echo nodejs
          node -v
          echo "##########################"
          echo npm
          npm -v

      - name: Checkout
        uses: actions/checkout@v3
        with:
          submodules: recursive

      - name: Build
        run: |
          git config --global --add safe.directory $(pwd)
          ./build32-eh.sh
          rm -rf /opt/wasix-sysroot
          cp -r sysroot /opt/wasix-sysroot
          cp tools/clang-wasix-eh.cmake_toolchain /opt/wasix-sysroot/clang-wasix.cmake_toolchain

      - name: Build and install compiler_rt builtins
        run: |
          mkdir -p build-compiler-rt-builtins
          cd build-compiler-rt-builtins
          cmake --fresh \
            -DCOMPILER_RT_BAREMETAL_BUILD=On \
            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
            -DCOMPILER_RT_OS_DIR=wasm32-wasi \
            -DCOMPILER_RT_DEFAULT_TARGET_ONLY:BOOL=ON \
            -DCMAKE_TOOLCHAIN_FILE=/opt/wasix-sysroot/clang-wasix.cmake_toolchain \
            -DCMAKE_SYSROOT=/opt/wasix-sysroot \
            -DCMAKE_INSTALL_PREFIX=/opt/wasix-sysroot \
            ../tools/llvm-project/compiler-rt/lib/builtins
          cmake --build . --target install --parallel 4
          llvm-ranlib /opt/wasix-sysroot/lib/wasm32-wasi/libclang_rt.builtins-wasm32.a

      - name: Run WASIX tests
        run: |
          export CLANG_VERSION=$(clang --version | grep -i "clang version" | sed -n 's/.*version \([0-9.]*\).*/\1/p')
          echo Detected clang version $CLANG_VERSION
          mkdir -p /usr/lib/clang/19/lib/wasm32-wasmer-wasi 
          cp /opt/wasix-sysroot/lib/wasm32-wasi/libclang_rt.builtins-wasm32.a /usr/lib/clang/19/lib/wasm32-wasmer-wasi/libclang_rt.builtins.a
          TOOLCHAIN=/opt/wasix-sysroot/clang-wasix.cmake_toolchain ./test/wasix/run_tests.sh

      - name: Upload sysroot
        uses: actions/upload-artifact@v4
        with:
          name: wasix-sysroot-eh
          path: /opt/wasix-sysroot

  build_cxx_sysroot:
    runs-on: ubuntu-latest
    container:
      image: archlinux:base-devel
      options: --user root --workdir /
    steps:
      - name: Update and install dependencies
        run: |
          pacman -Syu --noconfirm
          pacman -Sy --noconfirm coreutils nodejs npm wget git cmake ninja llvm clang rsync make lld wasmer cargo python3

      - name: Log tool versions
        run: |
          echo git
          git --version
          echo "##########################"
          echo wasmer
          wasmer -V
          echo "##########################"
          echo clang
          clang -v
          echo "##########################"
          echo llvm-ar
          llvm-ar -V
          echo "##########################"
          echo llvm-nm
          llvm-nm -V
          echo "##########################"
          echo nodejs
          node -v
          echo "##########################"
          echo npm
          npm -v

      - name: Checkout
        uses: actions/checkout@v3
        with:
          submodules: recursive

      - name: Build
        run: |
          git config --global --add safe.directory $(pwd)
          ./build32.sh
          rm -rf /opt/wasix-sysroot
          cp -r sysroot /opt/wasix-sysroot
          cp tools/clang-wasix.cmake_toolchain /opt/wasix-sysroot/clang-wasix.cmake_toolchain

      - name: Build and install compiler_rt builtins
        run: |
          mkdir -p build-compiler-rt-builtins
          cd build-compiler-rt-builtins
          cmake --fresh \
            -DCOMPILER_RT_BAREMETAL_BUILD=On \
            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
            -DCOMPILER_RT_OS_DIR=wasm32-wasi \
            -DCOMPILER_RT_DEFAULT_TARGET_ONLY:BOOL=ON \
            -DCMAKE_TOOLCHAIN_FILE=/opt/wasix-sysroot/clang-wasix.cmake_toolchain \
            -DCMAKE_SYSROOT=/opt/wasix-sysroot \
            -DCMAKE_INSTALL_PREFIX=/opt/wasix-sysroot \
            ../tools/llvm-project/compiler-rt/lib/builtins
          cmake --build . --target install --parallel 4
          llvm-ranlib /opt/wasix-sysroot/lib/wasm32-wasi/libclang_rt.builtins-wasm32.a

      - name: Run WASIX tests
        run: |
          export CLANG_VERSION=$(clang --version | grep -i "clang version" | sed -n 's/.*version \([0-9.]*\).*/\1/p')
          echo Detected clang version $CLANG_VERSION
          mkdir -p /usr/lib/clang/19/lib/wasm32-wasmer-wasi 
          cp /opt/wasix-sysroot/lib/wasm32-wasi/libclang_rt.builtins-wasm32.a /usr/lib/clang/19/lib/wasm32-wasmer-wasi/libclang_rt.builtins.a
          TOOLCHAIN=/opt/wasix-sysroot/clang-wasix.cmake_toolchain ./test/wasix/run_tests.sh

      - name: Upload sysroot
        uses: actions/upload-artifact@v4
        with:
          name: wasix-sysroot
          path: /opt/wasix-sysroot