* we want checkout to also fetch submodules

Author: lpcvoid

.github/workflows/cmake.yml

@@ -15,6 +15,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+      with:
+          submodules: 'true'
 
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DBUILD_TESTS=ON