[CI] Use gcovr instead of lcov for codecov (#216)

.github/workflows/main.yml

@@ -891,7 +891,7 @@ jobs:
         sudo apt-get install mpich
         sudo apt-get install libomp-dev
         sudo apt-get install valgrind
-        sudo apt-get install gcovr lcov
+        sudo apt-get install gcovr
     - name: CMake configure
       run: >
         cmake -S . -B build
@@ -927,20 +927,26 @@ jobs:
         OMP_NUM_THREADS: 4
     - name: Generate gcovr Coverage Data
       run: |
+        mkdir cov-report
         cd build
-        gcovr -r ../ --xml --output ../coverage.xml
+        gcovr -r ../ \
+              --exclude '.*3rdparty/.*' \
+              --exclude '/usr/.*' \
+              --exclude '.*/perf_tests/.*' \
+              --exclude '.*/func_tests/.*' \
+              --exclude '.*/all/runner.cpp' \
+              --exclude '.*/mpi/runner.cpp' \
+              --exclude '.*/omp/runner.cpp' \
+              --exclude '.*/seq/runner.cpp' \
+              --exclude '.*/stl/runner.cpp' \
+              --exclude '.*/tbb/runner.cpp' \
+              --xml --output ../coverage.xml \
+              --html=../cov-report/index.html --html-details
     - name: Upload coverage reports to Codecov
       uses: codecov/[email protected]
       with:
         token: db9388ce-cf24-4840-b282-8e0070d8666f
         files: coverage.xml
-    - name: Generate lcov Coverage Data
-      run: |
-        cd build
-        lcov --capture --directory . --output-file ../coverage.info
-        lcov --remove ../coverage.info '*/3rdparty/*' '/usr/*' '*/perf_tests/*' '*/func_tests/*' '*/all/runner.cpp' '*/mpi/runner.cpp' '*/omp/runner.cpp' '*/seq/runner.cpp' '*/stl/runner.cpp' '*/tbb/runner.cpp' --output-file ../coverage.info
-        cd ..
-        genhtml coverage.info --output-directory cov-report
     - name: Upload coverage report artifact
       uses: actions/upload-artifact@v4
       with: