gh-actions clang: test clang 19 and 20 (pre-release) as well

.github/workflows/ci.yml

@@ -742,6 +742,72 @@ jobs:
     - name: Test
       run: meson test -C build --print-errorlogs $(meson test -C build --list | grep -v emul)
 
+  clang-docker:
+    runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - version: "19"
+          container: ubuntu:24.10
+          arch_flags: -march=native -Wno-unsafe-buffer-usage -Wno-switch-default
+        - version: "19"
+          distro: ubuntu:24.10
+          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
+          ccache: 'true'
+        - version: "19"
+          distro: ubuntu:24.10
+          arch_flags: -march=native -Wno-unsafe-buffer-usage -Wno-switch-default -O2
+        - version: "20"
+          container: debian:experimental
+          arch_flags: -march=native -Wno-unsafe-buffer-usage -Wno-switch-default
+        - version: "20"
+          distro: debian:experimental
+          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
+          ccache: 'true'
+        - version: "20"
+          distro: debian:experimental
+          arch_flags: -march=native -Wno-unsafe-buffer-usage -Wno-switch-default -O2
+    container:
+      image: amd64/${{ matrix.container }}
+    env:
+      CFLAGS: ${{ matrix.arch_flags }} -Wall -Weverything -Werror -fno-lax-vector-conversions
+      CXXFLAGS: ${{ matrix.arch_flags }} -Wall -Weverything -Werror -fno-lax-vector-conversions
+    steps:
+    - run: sudo apt-get update
+    - name: Install git
+      run: |
+        sudo apt-get install -y --no-install-recommends git ca-certificates
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+    - name: CPU Information
+      run: cat /proc/cpuinfo
+    - name: Install APT Dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get -y --no-install-recommends install gcovr ninja-build pipx \
+          clang-${{ matrix.version }}
+        pipx install meson==0.55.1
+        sudo rm /usr/bin/gcc /usr/bin/g++ /usr/bin/cc /usr/bin/c++
+        sudo ln -s $(command -v clang-${{ matrix.version }}) /usr/bin/cc
+        sudo ln -s $(command -v clang-${{ matrix.version }}) /usr/bin/c++
+    - name: ccache
+      uses: hendrikmuhs/[email protected]
+      if: ${{ matrix.ccache == 'true' }}
+      with:
+        key: ${{ github.job }}-${{ matrix.version }}-${{ matrix.distro }}-${{ matrix.arch_flags }}
+    - name: add ccache to the build path
+      if: ${{ matrix.ccache == 'true' }}
+      run: |
+        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+    - name: Configure
+      run: meson setup build
+    - name: Build
+      run: meson compile -C build --verbose
+    - name: Test
+      run: meson test -C build --print-errorlogs $(meson test -C build --list | grep -v emul)
+
   macos:
     strategy:
       fail-fast: false