CI: build Linux with the latest image and latest compilers

Author: robUx4

.github/workflows/linux.yaml

@@ -6,64 +6,16 @@ on:
     # branches: [ master ]
 
 jobs:
-  Linux-GCC:
-    runs-on: ubuntu-20.04
+  Latest:
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
-        cxx: ['7', '13']
+        cxx: ['g++-14', 'clang++-18']
     env:
       CMAKE_OPTIONS: -DDEV_MODE=ON -DBUILD_TESTING=ON
       CMAKE_MATROSKA_OPTIONS: -DBUILD_EXAMPLES=ON
+      CXX: ${{matrix.cxx}}
     steps:
-      - uses: egor-tensin/setup-gcc@v1
-        with:
-          version: ${{matrix.cxx}}
-
-      - name: Get pushed code
-        uses: actions/checkout@v4
-
-      - name: Checkout libebml
-        uses: actions/checkout@v4
-        with:
-          repository: Matroska-Org/libebml
-          path: libebml
-          # minimum version we support ref: 'release-1.4.3'
-
-      - name: Configure libebml
-        run: cmake -S libebml -B libebml/_build ${{ env.CMAKE_OPTIONS }}
-
-      - name: Build libebml
-        run: cmake --build libebml/_build --parallel
-
-      - name: Install libebml
-        run: cmake --install libebml/_build --prefix ${GITHUB_WORKSPACE}/_built
-
-      - name: Configure
-        run: cmake -S . -B _build  ${{ env.CMAKE_OPTIONS }} ${{ env.CMAKE_MATROSKA_OPTIONS }} -DEBML_DIR="${GITHUB_WORKSPACE}/_built/lib/cmake/EBML"
-
-      - name: Build
-        run: cmake --build _build --parallel
-
-      - name: Test installation
-        run: cmake --install _build --prefix ${GITHUB_WORKSPACE}/_built
-
-  Linux-Clang:
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        cxx: ['7', '18']
-    env:
-      CMAKE_OPTIONS: -DDEV_MODE=ON -DBUILD_TESTING=ON -DCMAKE_CXX_FLAGS="-stdlib=libc++"
-      CMAKE_MATROSKA_OPTIONS: -DBUILD_EXAMPLES=ON
-    steps:
-      - uses: egor-tensin/setup-clang@v1
-        with:
-          version: ${{matrix.cxx}}
-
-      - name: Install libc++
-        run: |
-          sudo apt install -y libc++abi-${{matrix.cxx}}-dev libc++-${{matrix.cxx}}-dev
-
       - name: Get pushed code
         uses: actions/checkout@v4