Convert GitHub actions to use build matrix [skip appveyor]

This matrix covers win32 and win64, ubuntu 18 and 16, as well as macOS

.github/workflows/tec.yml

@@ -3,71 +3,120 @@ name: Trillek Engine CI
 on: [pull_request]
 
 jobs:
-  build-linux:
-
-    runs-on: ubuntu-latest
-
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, ubuntu-16.04, macOS-latest]
+        include:
+          - os: ubuntu-16.04
+            compiler: gcc
+            version: "7"
+            arch: x64
+            vcpkg-triplet: x64-linux
+          - os: ubuntu-latest
+            compiler: gcc
+            version: "7"
+            arch: x64
+            vcpkg-triplet: x64-linux
+          - os: macOS-latest
+            arch: x64
+            vcpkg-triplet: x64-osx
+    env:
+      VCPKG_INSTALLATION_ROOT: /usr/local/share/vcpkg
     steps:
     - uses: actions/checkout@v1
       with:
         submodules: true
-    - name: Install os deps
-      run: sudo apt-get install libgl1-mesa-dev xorg-dev libglu1-mesa-dev libxinerama-dev libxcursor-dev p7zip-full -y   
-    - name: Cache vcpkg installed
+    - name: Cache vcpkg (MacOS)
       uses: actions/cache@v1
+      if: runner.os == 'macOS'
       with:
-        key: ${{ runner.OS }}-vcpkg
+        key: vcpkg-${{ matrix.os }}-${{ matrix.arch }}
+        path: /usr/local/share/vcpkg
+    - name: Cache vcpkg installed (Linux)
+      uses: actions/cache@v1
+      if: runner.os == 'Linux'
+      with:
+        key: vcpkg-${{ matrix.os }}-${{ matrix.arch }}
         path: /usr/local/share/vcpkg/installed
+
+    # Linux specific
+    - name: Install GCC (Linux)
+      if: runner.os == 'Linux'
+      run: |
+        sudo apt-get update
+        if [ "${{ matrix.compiler }}" = "gcc" ]; then
+          sudo apt-get install -y g++-${{ matrix.version }} g++-${{ matrix.version }}-multilib
+          echo "::set-env name=CC::gcc-${{ matrix.version }}"
+          echo "::set-env name=CXX::g++-${{ matrix.version }}"
+        else
+          sudo apt-get install -y clang-${{ matrix.version }} g++-multilib
+          echo "::set-env name=CC::clang-${{ matrix.version }}"
+          echo "::set-env name=CXX::clang++-${{ matrix.version }}"
+        fi
+    - name: Install os deps (Linux)
+      if: runner.os == 'Linux'
+      run: sudo apt-get install libgl1-mesa-dev xorg-dev libglu1-mesa-dev libxinerama-dev libxcursor-dev p7zip-full -y
+
+    # MacOS specific
+    - name: Checkout vcpkg (MacOS)
+      if: runner.os == 'macOS'
+      run: if [ ! -d "$VCPKG_INSTALLATION_ROOT" ]; then git clone https://github.com/microsoft/vcpkg.git $VCPKG_INSTALLATION_ROOT; fi
+    - name: Bootstrap vcpkg (MacOS)
+      if: runner.os == 'macOS'
+      run: $VCPKG_INSTALLATION_ROOT/bootstrap-vcpkg.sh
+
+    # Shared
     - name: Install deps vcpkg
-      run: vcpkg install asio bullet3 glew glfw3 glm lua openal-soft protobuf zlib imgui spdlog
-    - name: Configure cmake
-      run: mkdir -p build && cd build && cmake -DCMAKE_TOOLCHAIN_FILE=${VCPKG_INSTALLATION_ROOT}/scripts/buildsystems/vcpkg.cmake ..
+      run: $VCPKG_INSTALLATION_ROOT/vcpkg install asio glew glfw3 glm lua openal-soft protobuf zlib imgui spdlog --triplet ${{ matrix.vcpkg-triplet }}
+
+    - name: Install bullet with vcpkg (non MacOS)
+      if: runner.os != 'macOS'
+      run: $VCPKG_INSTALLATION_ROOT/vcpkg install bullet3 --triplet ${{ matrix.vcpkg-triplet }}
+    - name: Install bullet with brew (MacOS)
+      if: runner.os == 'macOS'
+      run: brew install bullet
+
+    - name: Create Build Environment
+      run: cmake -E make_directory ${{runner.workspace}}/build
+    - name: Configure CMake
+      working-directory: ${{runner.workspace}}/build
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_TOOLCHAIN_FILE=$VCPKG_INSTALLATION_ROOT/scripts/buildsystems/vcpkg.cmake
     - name: Build
-      run: cmake --build build
+      working-directory: ${{runner.workspace}}/build
+      run: cmake --build .
 
   build-windows:
-
-    runs-on: windows-latest
-
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest]
+        arch: [Win32, x64]
+        include:
+          - arch: x64
+            vcpkg-triplet: x64-windows
+          - arch: Win32
+            vcpkg-triplet: x86-windows
     steps:
     - uses: actions/checkout@v1
       with:
         submodules: true
     - name: Cache vcpkg installed
       uses: actions/cache@v1
       with:
-        key: ${{ runner.OS }}-vcpkg
+        key: vcpkg-${{ matrix.os }}-${{ matrix.arch }}
         path: C:/vcpkg/installed
     - name: Install deps vcpkg
-      run: vcpkg install asio bullet3 glew glfw3 glm lua openal-soft protobuf zlib imgui spdlog --triplet x64-windows
-    - name: Configure cmake
-      run: cmake -G"Visual Studio 16 2019" -Ax64 -Bbuild -S. -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake
-    - name: Build
-      run: cmake --build build
-
-  build-macos:
-
-    runs-on: macOS-latest
-
-    steps:
-    - uses: actions/checkout@v1
-      with:
-        submodules: true
-    - name: Cache vcpkg installed
-      uses: actions/cache@v1
-      with:
-        key: ${{ runner.OS }}-vcpkg
-        path: ../vcpkg
-    - name: Checkout vcpkg
-      run: if [ ! -d '../vcpkg' ]; then git clone https://github.com/microsoft/vcpkg.git ../vcpkg; fi
-    - name: Bootstrap vcpkg
-      run: ../vcpkg/bootstrap-vcpkg.sh
-    - name: Install deps vcpkg
-      run: ../vcpkg/vcpkg install asio glew glfw3 glm lua openal-soft protobuf zlib imgui spdlog
-    - name: install bullet
-      run: brew install bullet
+      run: vcpkg install asio bullet3 glew glfw3 glm lua openal-soft protobuf zlib imgui spdlog --triplet ${{ matrix.vcpkg-triplet }}
+    - name: Create Build Environment
+      run: cmake -E make_directory ${{runner.workspace}}/build
     - name: Configure cmake
-      run: cmake -B build -DCMAKE_TOOLCHAIN_FILE=../../vcpkg/scripts/buildsystems/vcpkg.cmake
+      working-directory: ${{runner.workspace}}/build
+      run: cmake $env:GITHUB_WORKSPACE -DCMAKE_GENERATOR_PLATFORM=${{matrix.arch}} -DCMAKE_TOOLCHAIN_FILE="$env:VCPKG_INSTALLATION_ROOT/scripts/buildsystems/vcpkg.cmake"
     - name: Build
-      run: cmake --build build
-
+      working-directory: ${{runner.workspace}}/build
+      run: cmake --build .
+