first commit

Author: PhilippGrulich

.github/workflows/build.yml

@@ -44,6 +44,8 @@ jobs:
         uses: lukka/get-cmake@latest
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2.11
+        with:
+          key: ${{ github.job }}-${{ matrix.os }}-${{ matrix.cc }}
       - name: cmake
         shell: bash
         run: |