Switch to gcov for code coverage upload

Author: mfasi

.github/workflows/run_cpp_tests.yml

@@ -42,30 +42,21 @@ jobs:
     - name: Configure for coverage
       if: runner.os == 'Linux'
       run: |
-        cmake -S. -Bbuild -DBUILD_MEX=False -DCHECK_COVERAGE=True
+        cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Debug -DBUILD_MEX=False -DBUILD_TESTS=True
 
     - name: Build
       run: |
         cmake --build build
 
     - name: Run tests
-      if: runner.os == 'macOS'
-      working-directory: ./build
-      run: |
-        ctest -C Release --output-on-failure --verbose
-
-    - name: Generate coverage report
-      if: runner.os == 'Linux'
       working-directory: ./build
       run: |
-        make coverage
-        gcovr -r .. . --txt-metric branch --cobertura > coverage.xml
+        ctest --output-on-failure --verbose
 
-    - uses: codecov/codecov-action@v5
+    - name: Upload coverage report to Codecov
+      uses: codecov/codecov-action@v5
       if: runner.os == 'Linux'
       with:
-        disable_search: true
-        files: build/coverage.xml
         verbose: true
       env:
            CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

CMakeLists.txt

@@ -16,8 +16,8 @@ endif()
 
 set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wpedantic")
 
-set(CMAKE_CXX_FLAGS_DEBUG "-g -Og")
-set(CMAKE_EXE_LINKER_FLAGS_DEBUG "-g -Og")
+set(CMAKE_CXX_FLAGS_DEBUG "-g -Og --coverage")
+set(CMAKE_EXE_LINKER_FLAGS_DEBUG "-g -Og --coverage")
 
 set(CMAKE_CXX_FLAGS_RELEASE "-O3 -flto")
 set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-O3 -flto")