CI

Add native compilation on windows, linux and macos.
Add cross-compilation from linux/macos to windows, and from windows/macos to linux.

.github/workflows/main.yml

@@ -1,22 +1,21 @@
 name: ci
+
 on:
   pull_request:
     branches:
       - main
   push:
     branches:
       - main
+
 concurrency:
   # Cancels pending runs when a PR gets updated.
   group: ${{ github.head_ref || github.run_id }}-${{ github.actor }}
   cancel-in-progress: true
+
 jobs:
-  lint-and-build-and-test:
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    runs-on: ${{matrix.os}}
+  build-linux:
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
@@ -29,10 +28,174 @@ jobs:
         uses: mlugg/setup-zig@v1
         with:
           version: ${{ steps.zigversion.outputs.content }}
+      - name: Install sdl2
+        run: |
+          sudo apt-get update
+          sudo apt-get install libsdl2-dev
+      - name: SDL version
+        run: sdl2-config --version
       - name: Check format
         continue-on-error: true
         run: zig fmt --check .
       - name: Build and run tests
         run: zig build test
       - name: Build examples
         run: zig build examples
+
+  build-macos:
+    runs-on: macos-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Read .zig-version
+        id: zigversion
+        uses: juliangruber/read-file-action@v1
+        with:
+          path: ./.zigversion
+      - name: Install Zig
+        uses: mlugg/setup-zig@v1
+        with:
+          version: ${{ steps.zigversion.outputs.content }}
+      - name: Install sdl2
+        run: brew install sdl2
+      - name: Build and run tests
+        run: zig build test
+      - name: Build examples
+        run: zig build examples
+
+  build-windows:
+    strategy:
+      fail-fast: false
+      matrix:
+        target: [x86_64-windows-gnu, x86_64-windows-msvc]
+    runs-on: windows-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Read .zig-version
+        id: zigversion
+        uses: juliangruber/read-file-action@v1
+        with:
+          path: ./.zigversion
+      - name: Install Zig
+        uses: mlugg/setup-zig@v1
+        with:
+          version: ${{ steps.zigversion.outputs.content }}
+      - name: Install VisualStudio (x64)
+        if: ${{ matrix.target == 'x86_64-windows-msvc' }}
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          uwp: false
+          arch: x64
+      - name: Download SDL2 (MinGW)
+        uses: carlosperate/[email protected]
+        if: ${{ matrix.target == 'x86_64-windows-gnu' }}
+        with:
+          file-url: https://www.libsdl.org/release/SDL2-devel-2.0.18-mingw.tar.gz
+          file-name: SDL2.tar.gz
+          location: .
+      - name: Download SDL2 (Visual Studio)
+        uses: carlosperate/[email protected]
+        if: ${{ matrix.target == 'x86_64-windows-msvc' }}
+        with:
+          file-url: https://www.libsdl.org/release/SDL2-devel-2.0.18-VC.zip
+          file-name: SDL2.tar.gz
+          location: .
+      - name: Extract SDL2
+        uses: brunoborges/justextract@v1
+        with:
+          file: SDL2.tar.gz
+      - name: Create SDK file
+        uses: DamianReeves/[email protected]
+        with:
+          path: .build_config/sdl.json
+          contents: |
+            {
+              "x86_64-windows-gnu": {
+                "include": "SDL2-2.0.18/x86_64-w64-mingw32/include",
+                "libs": "SDL2-2.0.18/x86_64-w64-mingw32/lib",
+                "bin": "SDL2-2.0.18/x86_64-w64-mingw32/bin"
+              },
+              "x86_64-windows-msvc": {
+                "include": "SDL2-2.0.18/include",
+                "libs": "SDL2-2.0.18/lib/x64",
+                "bin": "SDL2-2.0.18/lib/x64"
+              }
+            }
+          write-mode: overwrite
+      - name: Build and run tests
+        run: zig build test
+      - name: Build examples
+        run: zig build -Dtarget=${{matrix.target}} examples
+
+  build-cross-windows:
+    strategy:
+      fail-fast: false
+      matrix:
+        host: [ubuntu-latest, macos-latest]
+        target: [x86-windows-gnu, x86_64-windows-gnu]
+    runs-on: ${{matrix.host}}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Read .zig-version
+        id: zigversion
+        uses: juliangruber/read-file-action@v1
+        with:
+          path: ./.zigversion
+      - name: Install Zig
+        uses: mlugg/setup-zig@v1
+        with:
+          version: ${{ steps.zigversion.outputs.content }}
+      - name: Download SDL2 (MinGW)
+        uses: carlosperate/[email protected]
+        with:
+          file-url: https://www.libsdl.org/release/SDL2-devel-2.0.18-mingw.tar.gz
+          file-name: SDL2.tar.gz
+          location: .
+      - name: Extract SDL2
+        uses: brunoborges/justextract@v1
+        with:
+          file: SDL2.tar.gz
+      - name: Create SDK file
+        uses: DamianReeves/[email protected]
+        with:
+          path: .build_config/sdl.json
+          contents: |
+            {
+              "x86-windows-gnu": {
+                "include": "SDL2-2.0.18/i686-w64-mingw32/include",
+                "libs": "SDL2-2.0.18/i686-w64-mingw32/lib",
+                "bin": "SDL2-2.0.18/i686-w64-mingw32/bin"
+              },
+              "x86_64-windows-gnu": {
+                "include": "SDL2-2.0.18/x86_64-w64-mingw32/include",
+                "libs": "SDL2-2.0.18/x86_64-w64-mingw32/lib",
+                "bin": "SDL2-2.0.18/x86_64-w64-mingw32/bin"
+              }
+            }
+          write-mode: overwrite
+      - name: Build examples
+        run: zig build -Dtarget=${{matrix.target}} examples
+
+  build-cross-linux:
+    strategy:
+      fail-fast: false
+      matrix:
+        host: [macos-latest, windows-latest]
+        target: [x86_64-linux-gnu, aarch64-linux-gnu]
+    runs-on: ${{matrix.host}}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Read .zig-version
+        id: zigversion
+        uses: juliangruber/read-file-action@v1
+        with:
+          path: ./.zigversion
+      - name: Install Zig
+        uses: mlugg/setup-zig@v1
+        with:
+          version: ${{ steps.zigversion.outputs.content }}
+      - name: Build examples
+        run: zig build -Dtarget=${{matrix.target}} examples