| find_program(CODE_COVERAGE_LCOV lcov) |
| if (NOT CODE_COVERAGE_LCOV) |
| message(FATAL_ERROR "Cannot find lcov...") |
| endif() |
| |
| find_program(CODE_COVERAGE_LLVM_COV llvm-cov) |
| if (NOT CODE_COVERAGE_LLVM_COV) |
| message(FATAL_ERROR "Cannot find llvm-cov...") |
| endif() |
| |
| find_program(CODE_COVERAGE_GENHTML genhtml) |
| if (NOT CODE_COVERAGE_GENHTML) |
| message(FATAL_ERROR "Cannot find genhtml...") |
| endif() |
| |
| set(CMAKE_CXX_FLAGS_COVERAGE "-g -O0 --coverage") |
| |
| function(setup_lcov_test_target_coverage target_name output_dir capture_dirs source_dirs) |
| if (NOT DEFINED LIBCXX_BINARY_DIR) |
| message(FATAL_ERROR "Variable must be set") |
| endif() |
| |
| set(GCOV_TOOL "${LIBCXX_BINARY_DIR}/llvm-cov-wrapper") |
| file(GENERATE OUTPUT ${GCOV_TOOL} |
| CONTENT "#!/usr/bin/env bash\n${CODE_COVERAGE_LLVM_COV} gcov \"$@\"\n") |
| |
| file(MAKE_DIRECTORY ${output_dir}) |
| |
| set(CAPTURE_DIRS "") |
| foreach(cdir ${capture_dirs}) |
| list(APPEND CAPTURE_DIRS "-d;${cdir}") |
| endforeach() |
| |
| set(EXTRACT_DIRS "") |
| foreach(sdir ${source_dirs}) |
| list(APPEND EXTRACT_DIRS "'${sdir}/*'") |
| endforeach() |
| |
| message(STATUS "Capture Directories: ${CAPTURE_DIRS}") |
| message(STATUS "Extract Directories: ${EXTRACT_DIRS}") |
| |
| add_custom_target(generate-lib${target_name}-coverage |
| COMMAND chmod +x ${GCOV_TOOL} |
| COMMAND ${CODE_COVERAGE_LCOV} --gcov-tool ${GCOV_TOOL} --capture ${CAPTURE_DIRS} -o test_coverage.info |
| COMMAND ${CODE_COVERAGE_LCOV} --gcov-tool ${GCOV_TOOL} --extract test_coverage.info ${EXTRACT_DIRS} -o test_coverage.info |
| COMMAND ${CODE_COVERAGE_GENHTML} --demangle-cpp test_coverage.info -o test_coverage |
| COMMAND ${CMAKE_COMMAND} -E remove test_coverage.info |
| WORKING_DIRECTORY ${output_dir} |
| COMMENT "Generating coverage results") |
| endfunction() |