use this one for MacOs only

.github/workflows/ci_master.yml

@@ -19,23 +19,17 @@ jobs:
       fail-fast: false
       matrix:
         name: [ "Linux x64 (Ubuntu 20.04)" ]
-        os: [ ubuntu-20.04 ]
+        os: [ macos-latest ]
         sanitize: [ false ]
         build:
           - { shell: bash }
         include:
-          - name: "Linux x64 (Ubuntu 20.04)"
-            os: ubuntu-20.04
-            build: { shell: bash }
           - name: "macOS (10.15) - Xcode 12.3"
             os:  macOS-latest
             build: { shell: bash }
 #          - name: "macOS (10.15) - Xcode 12.3 - M1"
 #            os: macos-m1
 #            build: { shell: "/usr/bin/arch -arch arm64e /bin/bash -l {0}" }
-          - name: "Windows 2019 x64"
-            os: windows-2019
-            build: { shell: powershell }
 
     defaults:
       run:
@@ -45,44 +39,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - name: Update apt (Ubuntu)
-        if: contains(matrix.os, 'ubuntu')
-        env:
-          DEBIAN_FRONTEND: noninteractive
-        run: sudo -E apt-get update -qq -o Acquire::Retries=3
-
-      - name: Add libheif PPA (Ubuntu)
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          sudo add-apt-repository ppa:strukturag/libde265
-          sudo add-apt-repository ppa:strukturag/libheif
-
-      - name: install Ubuntu dependencies
-        if: contains(matrix.os, 'ubuntu')
-        env:
-          DEBIAN_FRONTEND: noninteractive
-        run:  sudo -E apt-get install --fix-missing -qq -o Acquire::Retries=3
-              libjpeg-turbo8-dev libimagequant-dev libde265-dev
-              libpng-dev libwebp-dev libtiff5-dev libx265-dev 
-              libheif-dev libfreetype-dev libheif-dev 
-              libavifile-0.7-dev libxpm-dev libraqm-dev
-
-      - name: Configure CMake Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run:
-          cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
-          -DENABLE_TIFF=1 -DENABLE_XPM=1 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1 -DENABLE_RAQM=1
-          -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-
-      - name: Install macOS dependencies
-        if: contains(matrix.os, 'macos')
+      - name: Install dependencies
         run: |
           brew install libheif libjpeg-turbo libimagequant libde265 x265
 
-      - name: Prepare macOS environment
-        if: contains(matrix.os, 'macos')
+      - name: Prepare environment
+
         run: |
           sudo xcode-select --switch /Library/Developer/CommandLineTools/
           echo "JOBS=$(sysctl -n hw.logicalcpu)" >> $GITHUB_ENV
@@ -100,43 +62,18 @@ jobs:
           ls /usr/local/Cellar/libpng/1.6.37/lib/
           ${{github.workspace}}/.github/scripts/removemono.sh
 
-      - name: Configure CMake MacOS
-        if: contains(matrix.os, 'macos')
+      - name: Configure CMake
         # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
         # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
         run:  cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
               -DENABLE_TIFF=1  -DENABLE_GD_FORMATS=1 -DENABLE_CPP=0 -DENABLE_HEIF=1 -D CMAKE_PREFIX_PATH=/usr/local
               -DBUILD_TEST=1 -DVERBOSE_MAKEFILE=1 -DPNG_PNG_INCLUDE_DIR=/usr/local/Cellar/libpng/1.6.37/include -DPNG_PNG_LIBRARY_DIR=/usr/local/Cellar/libpng/1.6.37/lib -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
 
-      - uses: actions/cache@v2
-        with:
-          path: C:\vcpkg\downloads
-          key: ${{ runner.os }}-vcpkg-download-${{ matrix.os }}-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-vcpkg-download-${{ matrix.os }}-
-            ${{ runner.os }}-vcpkg-download-
-
-      - name: Install Dependencies Windows
-        if: contains(matrix.os, 'Windows')
-        run: |
-          $Env:VCPKG_DEFAULT_TRIPLET="x64-windows"
-          C:\vcpkg\vcpkg.exe install libpng libjpeg-turbo freetype tiff libheif libwebp
-
-      - name: Configure CMake Windows x64
-        if: contains(matrix.os, 'Windows')
-        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run:  cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1  -DENABLE_GD_FORMATS=1 -DENABLE_TIFF=1
-              -DENABLE_HEIF=1
-              -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-              -DCMAKE_TOOLCHAIN_FILE=C:\vcpkg\scripts\buildsystems\vcpkg.cmake
-
       - name: Build
         # Build your program with the given configuration
         run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --parallel 4
 
-      - name: Test Ubuntu
-        if: contains(matrix.os, 'ubuntu') || contains(matrix.os, 'macos')
+      - name: Test
         working-directory: ${{github.workspace}}/build
         # Execute tests defined by the CMake configuration.  
         # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
@@ -146,40 +83,6 @@ jobs:
           echo "LSAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/lsan.supp" >> $GITHUB_ENV
           CTEST_OUTPUT_ON_FAILURE=1 ctest -C ${{env.BUILD_TYPE}}
 
-      - name: Test Windows
-        if: contains(matrix.os, 'windows')
-        working-directory: ${{github.workspace}}/build
-        # Execute tests defined by the CMake configuration.  
-        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-        run: |
-          $Env:TMP=${{github.temp}}
-          $Env:CTEST_OUTPUT_ON_FAILURE=1
-          ctest -C ${{env.BUILD_TYPE}}
-
-      - name: Configure CMake ASAN Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run:
-          cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
-              -DENABLE_TIFF=1 -DENABLE_XPM=1 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1
-              -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-
-      - name: Build ASAN Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        # Build your program with the given configuration
-        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
-
-      - name: Test ASAN Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        working-directory: ${{github.workspace}}/build
-        # Execute tests defined by the CMake configuration.  
-        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-        run: |
-          export TMP=${{runner.temp}}
-          echo "TMP=${{github.temp}}" >> $GITHUB_ENV
-          CTEST_OUTPUT_ON_FAILURE=1 ctest -C ${{env.BUILD_TYPE}}
-
       - name: Output Log
         if: contains(matrix.os, 'ubuntu')
         run: |