| 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() | |