Fix the lcov issue with ggtest

Author: urbytes21

.github/workflows/cpp-build-test-coverage.yml

@@ -64,7 +64,7 @@ jobs:
           rm -rf build
           mkdir build
           cd build
-          cmake ..
+          cmake -DCMAKE_BUILD_TYPE=Debug -DENABLE_COVERAGE=ON ..
           cmake --build .
 
       # -------------------------------------------------------
@@ -82,8 +82,8 @@ jobs:
       # -------------------------------------------------------
       - name: Generate coverage report
         run: |
-          lcov -d . -c -o coverage.info
-          lcov -r coverage.info "*/build/*" "*/tests/*" "*/c++/*" -o coverageFiltered.info
+          lcov --rc geninfo_unexecuted_blocks=1 --ignore-errors mismatch -d . -c -o coverage.info
+          lcov -r coverage.info "*/_deps/*" "/usr/*" "*/tests/*" -o coverageFiltered.info
           lcov --list coverageFiltered.info
 
       # -------------------------------------------------------

CMakeLists.txt

@@ -26,6 +26,16 @@ message("C++ Compiler: ${CMAKE_CXX_COMPILER}")
 message("C++ Compiler ID: ${CMAKE_CXX_COMPILER_ID}")
 message("C++ Compiler Version: ${CMAKE_CXX_COMPILER_VERSION}")
 
+# Option to enable coverage
+option(ENABLE_COVERAGE "Enable coverage reporting" OFF)
+
+if(ENABLE_COVERAGE AND CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+    message(STATUS "Enabling coverage flags")
+    add_compile_options(--coverage -O0 -g)
+    add_link_options(--coverage)
+endif()
+
+
 # ----------------------------------------------------------------------------------------
 # Dependencies - GoogleTest
 # ----------------------------------------------------------------------------------------