Add tests for parsing SDL headers.

Author: HexDecimal

.github/workflows/parse-sdl.yml

@@ -0,0 +1,39 @@
+# This makes sure that the latest versions of the SDL headers parse correctly.
+
+name: Parse SDL
+
+on:
+  push:
+  pull_request:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  parse_sdl:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: ["windows-2019", "macos-latest"]
+        python-version: ["3.x"]
+        sdl-version: ["2.0.14", "2.0.16"]
+      fail-fast: true
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Checkout submodules
+        run: |
+          git submodule update --init --recursive --depth 1
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+      - name: Build package.
+        run: |
+          python setup.py build
+        env:
+          SDL_VERSION: ${{ matrix.sdl-version }}