update github workflow for linux and macos support

.github/workflows/cmake.yml

@@ -1,87 +0,0 @@
-name: CMake
-
-on:
-  pull_request:
-    branches: [ master ]
-
-env:
-  BUILD_TYPE: RelWithDebInfo
-
-jobs:
-  Ubuntu:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    
-    - name: Add OpenMW PPA Dependancies
-      run: sudo add-apt-repository ppa:openmw/openmw; sudo apt-get update
-    
-    - name: Install Building Dependancies
-      run: sudo CI/install_debian_deps.sh gcc openmw-deps openmw-deps-dynamic
-
-    - name: Prime ccache
-      uses: hendrikmuhs/ccache-action@v1
-      with:
-        key: ${{ matrix.os }}-${{ env.BUILD_TYPE }}
-        max-size: 1000M
-
-    - name: Install gtest
-      run: |
-        export CONFIGURATION="Release"
-        export GOOGLETEST_DIR="."
-        export GENERATOR="Unix Makefiles"
-        export CC="gcc"
-        export CXX="g++"
-        sudo -E CI/build_googletest.sh
-
-    - name: Configure
-      run: cmake -S . -B . -DGTEST_ROOT="$(pwd)/googletest/build" -DGMOCK_ROOT="$(pwd)/googletest/build" -DBUILD_UNITTESTS=ON -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_INSTALL_PREFIX=./install -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_FLAGS='-Werror' -DCMAKE_CXX_FLAGS="-Werror -Wno-error=deprecated-declarations -Wno-error=nonnull -Wno-error=deprecated-copy"
-
-    - name: Build
-      run: cmake --build . --config ${{env.BUILD_TYPE}} --parallel 3
- 
-    - name: Test
-      run: ./openmw_test_suite
-
-#    - name: Install
-#      shell: bash
-#      run: cmake --install .
-      
-#    - name: Create Artifact
-#      shell: bash
-#      working-directory: install
-#      run: |
-#        ls -laR
-#        7z a ../build_artifact.7z .
-        
-#    - name: Upload Artifact
-#      uses: actions/upload-artifact@v1
-#      with:
-#        path: ./build_artifact.7z
-#        name: build_artifact.7z
-
-  MacOS:
-    runs-on: macos-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Install Building Dependancies
-      run: CI/before_install.osx.sh
-
-    - name: Prime ccache
-      uses: hendrikmuhs/ccache-action@v1
-      with:
-        key: ${{ matrix.os }}-${{ env.BUILD_TYPE }}
-        max-size: 1000M
-
-    - name: Configure
-      run: |
-        rm -fr build  # remove the build directory
-        CI/before_script.osx.sh
-
-    - name: Build
-      run: |
-        cd build 
-        make -j $(sysctl -n hw.logicalcpu) package