modified build steps

.gitea/workflows/cmake.yml

@@ -12,11 +12,14 @@ jobs:
     # well on Windows or Mac.  You can convert this to a matrix build if you need
     # cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: cpp-clang
+    runs-on: ubuntu
 
     steps:
     - uses: actions/checkout@v2
 
+    - name: Install Build Tools 
+      run: apt-get update && apt-get -y --no-install-recommends install build-essential clang cmake gdb wget
+
     - name: Create Build Environment
       # Some projects don't allow in-source building, so create a separate build directory
       # We'll use this as our working directory for all subsequent commands