--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zlib/.github/workflows/cmake.yml	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,89 @@
+name: CMake
+on: [push, pull_request]
+jobs:
+  ci-cmake:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: Ubuntu GCC
+            os: ubuntu-latest
+            compiler: gcc
+
+          # Test out of source builds
+          - name: Ubuntu GCC OSB
+            os: ubuntu-latest
+            compiler: gcc
+            build-dir: ../build
+            src-dir: ../zlib
+
+          - name: Ubuntu GCC -O3
+            os: ubuntu-latest
+            compiler: gcc
+            cflags: -O3
+
+          - name: Ubuntu Clang
+            os: ubuntu-latest
+            compiler: clang
+
+          - name: Ubuntu Clang Debug
+            os: ubuntu-latest
+            compiler: clang
+            build-config: Debug
+
+          - name: Windows MSVC Win32
+            os: windows-latest
+            compiler: cl
+            cmake-args: -A Win32
+
+          - name: Windows MSVC Win64
+            os: windows-latest
+            compiler: cl
+            cmake-args: -A x64
+
+          - name: Windows GCC
+            os: windows-latest
+            compiler: gcc
+            cmake-args: -G Ninja
+
+          - name: macOS Clang
+            os: macos-latest
+            compiler: clang
+
+          - name: macOS GCC
+            os: macos-latest
+            compiler: gcc-11
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Install packages (Windows)
+      if: runner.os == 'Windows'
+      run: |
+        choco install --no-progress ninja ${{ matrix.packages }}
+
+    - name: Generate project files
+      run: cmake -S ${{ matrix.src-dir || '.' }} -B ${{ matrix.build-dir || '.' }} ${{ matrix.cmake-args }} -D CMAKE_BUILD_TYPE=${{ matrix.build-config || 'Release' }}
+      env:
+        CC: ${{ matrix.compiler }}
+        CFLAGS: ${{ matrix.cflags }}
+
+    - name: Compile source code
+      run: cmake --build ${{ matrix.build-dir || '.' }} --config ${{ matrix.build-config || 'Release' }}
+
+    - name: Run test cases
+      run: ctest -C Release --output-on-failure --max-width 120
+      working-directory: ${{ matrix.build-dir || '.' }}
+
+    - name: Upload build errors
+      uses: actions/upload-artifact@v3
+      if: failure()
+      with:
+        name: ${{ matrix.name }} (cmake)
+        path: |
+          **/CMakeFiles/CMakeOutput.log
+          **/CMakeFiles/CMakeError.log
+        retention-days: 7