Build with warnings enabled and as errors.

Author: niklas-uhl

.github/workflows/cmake-single-platform.yml

@@ -22,11 +22,13 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: mpi4py/setup-mpi@v1
+      with:
+        mpi: mpich
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_CXX_FLAGS='-Wall -Wextra -pedantic' -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
 
     - name: Build
       # Build your program with the given configuration
@@ -36,5 +38,5 @@ jobs:
       working-directory: ${{github.workspace}}/build
       # Execute tests defined by the CMake configuration.
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-      run: ctest -C ${{env.BUILD_TYPE}}
+      run: ctest -C ${{env.BUILD_TYPE}} --output-on-failure