1 find_program(CODE_COVERAGE_LCOV lcov)
2 if (NOT CODE_COVERAGE_LCOV)
3 message(FATAL_ERROR "Cannot find lcov...")
6 find_program(CODE_COVERAGE_LLVM_COV llvm-cov)
7 if (NOT CODE_COVERAGE_LLVM_COV)
8 message(FATAL_ERROR "Cannot find llvm-cov...")
11 find_program(CODE_COVERAGE_GENHTML genhtml)
12 if (NOT CODE_COVERAGE_GENHTML)
13 message(FATAL_ERROR "Cannot find genhtml...")
16 set(CMAKE_CXX_FLAGS_COVERAGE "-g -O0 --coverage")
18 function(setup_lcov_test_target_coverage target_name output_dir capture_dirs source_dirs)
19 if (NOT DEFINED LIBCXX_BINARY_DIR)
20 message(FATAL_ERROR "Variable must be set")
23 set(GCOV_TOOL "${LIBCXX_BINARY_DIR}/llvm-cov-wrapper")
24 file(GENERATE OUTPUT ${GCOV_TOOL}
25 CONTENT "#!/usr/bin/env bash\n${CODE_COVERAGE_LLVM_COV} gcov \"$@\"\n")
27 file(MAKE_DIRECTORY ${output_dir})
30 foreach(cdir ${capture_dirs})
31 list(APPEND CAPTURE_DIRS "-d;${cdir}")
35 foreach(sdir ${source_dirs})
36 list(APPEND EXTRACT_DIRS "'${sdir}/*'")
39 message(STATUS "Capture Directories: ${CAPTURE_DIRS}")
40 message(STATUS "Extract Directories: ${EXTRACT_DIRS}")
42 add_custom_target(generate-lib${target_name}-coverage
43 COMMAND chmod +x ${GCOV_TOOL}
44 COMMAND ${CODE_COVERAGE_LCOV} --gcov-tool ${GCOV_TOOL} --capture ${CAPTURE_DIRS} -o test_coverage.info
45 COMMAND ${CODE_COVERAGE_LCOV} --gcov-tool ${GCOV_TOOL} --extract test_coverage.info ${EXTRACT_DIRS} -o test_coverage.info
46 COMMAND ${CODE_COVERAGE_GENHTML} --demangle-cpp test_coverage.info -o test_coverage
47 COMMAND ${CMAKE_COMMAND} -E remove test_coverage.info
48 WORKING_DIRECTORY ${output_dir}
49 COMMENT "Generating coverage results")