temp: Hackin' on workflows

.github/workflows/ci.yml

@@ -1,13 +1,43 @@
 name: Continuous Integration
 on: [push, pull_request]
+
 jobs:
+  cmake:
+    name: CMake Buildsystem
+    strategy:
+      matrix:
+        os: [ubuntu-16.04] #[ubuntu-16.04, windows-2016, macOS-10.14]
+        composite_limit: [0, 30]
+        generator: [Ninja]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v1
+      with:
+        fetch-depth: 1
+    - name: Install dependencies (Ubuntu)
+      if: matrix.os == 'ubuntu-16.04'
+      run: |
+        sudo apt-get install build-essential bison flex libfreetype6-dev libgl1-mesa-dev libjpeg-dev libode-dev libopenal-dev libpng-dev libssl-dev libvorbis-dev libx11-dev libxcursor-dev libxrandr-dev nvidia-cg-toolkit zlib1g-dev
+    - name: Initial configure (no Python)
+      run: |
+        mkdir build
+        cd build
+        cmake -DCOMPOSITE_SOURCE_LIMIT=${{ matrix.composite_limit }} ..
+      env:
+        CMAKE_GENERATOR: ${{ matrix.generator }}
+    - name: Initial build (no Python)
+      run: cmake --build .
+
   makepanda:
+    if: 1 == 0
     strategy:
       matrix:
         os: [ubuntu-16.04, windows-2016, macOS-10.14]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v1
+      with:
+        fetch-depth: 1
     - name: Install dependencies (Ubuntu)
       if: matrix.os == 'ubuntu-16.04'
       run: |