openrw/cmake/modules/CodeCoverage.cmake

# DOES NOT SUPPORT RUNNING IN PARALLEL: https://github.com/linux-test-project/lcov/issues/37

# TODO: macos xcode coverage: works? What dependencies?

get_filename_component(_CODECOVERAGE_MODDIR ${CMAKE_CURRENT_LIST_FILE} PATH)

function(codecoverage_enable _DIR _GLOBALREPORT)
    if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
        find_program(GCOV_BIN gcov)
        if(NOT GCOV_BIN)
            message(FATAL_ERROR "gcov not found")
        endif()
        set(COV_BIN "${GCOV_BIN}")
    elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
        find_program(LLVM_COV_BIN llvm-cov)
        if(NOT LLVM_COV_BIN)
            message(FATAL_ERROR "llvm-cov not found")
        endif()
        configure_file("${_CODECOVERAGE_MODDIR}/llvm-cov-wrapper.in" "${CMAKE_BINARY_DIR}/llvm-cov-wrapper")
        set(COV_BIN "${CMAKE_BINARY_DIR}/llvm-cov-wrapper")
    else()
        message(FATAL_ERROR "Code coverage unsupported for this compiler.")
    endif()
    set(COV_BIN "${COV_BIN}" CACHE INTERNAL "Coverage tool")

    find_program(LCOV_BIN lcov)
    if(NOT LCOV_BIN)
        message(FATAL_ERROR "lcov not found")
    endif()

    find_program(GENINFO_BIN geninfo)
    if(NOT GENINFO_BIN)
        message(FATAL_ERROR "geninfo not found")
    endif()

    find_program(GENHTML_BIN genhtml)
    if(NOT GENHTML_BIN)
        message(FATAL_ERROR "genhtml not found")
    endif()

    find_program(CPPFILT_BIN c++filt)
    if(NOT CPPFILT_BIN)
        message(FATAL_ERROR "c++filt not found")
    endif()

    message(STATUS  "TEST_COVERAGE enabled. Optimizations are disabled, debug data will be added to targets.")

    # Remove global optimization flags
    foreach(CONFIG_TYPE ${CMAKE_CONFIGURATION_TYPES} "")
        foreach(LANGUAGE C CXX)
            set(FLAGVARNAME "CMAKE_${LANGUAGE}_FLAGS")
            if(CONFIG_TYPE)
                string(TOUPPER "${CONFIG_TYPE}" CONFIG_TYPE)
                set(FLAGVARNAME "${FLAGVARNAME}_${CONFIG_TYPE}")
            endif()
            string(REGEX REPLACE "-O[s0-3]" "" _OUT "${${FLAGVARNAME}}")
            set("${FLAGVARNAME}" "${_OUT}" PARENT_SCOPE)
        endforeach()
    endforeach()

    set(COVERAGE_COMPILE_FLAGS "-O0 -fprofile-arcs -ftest-coverage -g" CACHE STRING "Compile flags for compiling with coverage support")
    set(COVERAGE_LINK_FLAGS "-O0 -fprofile-arcs -ftest-coverage" CACHE STRING "Link flags for linking with coverage support")

    set(LCOV_DATA_PATH "${CMAKE_BINARY_DIR}/lcov/data")
    set(LCOV_DATA_PATH_INIT "${LCOV_DATA_PATH}/init" CACHE PATH "Where to put initial coverage")
    set(LCOV_DATA_PATH_CAPTURE "${LCOV_DATA_PATH}/capture" CACHE PATH "Where to put final coverage")
    set(LCOV_HTML_PATH "${CMAKE_BINARY_DIR}/lcov/html" CACHE PATH "Where to put html coverage reports")

    file(MAKE_DIRECTORY ${LCOV_DATA_PATH_INIT})
    file(MAKE_DIRECTORY ${LCOV_DATA_PATH_CAPTURE})

    add_custom_target(gcov)
    add_custom_target(lcov-capture-init)
    add_custom_target(lcov-capture)

    define_property(GLOBAL
        PROPERTY COVERAGE_TARGETS
            BRIEF_DOCS "List of all coverage targets"
            FULL_DOCS "All targets that is collected coverage over"
        )
    define_property(GLOBAL
        PROPERTY LCOV_CAPTURE_FILES
            BRIEF_DOCS "List of all capture files"
            FULL_DOCS "All capture files which have coverage data included"
        )
    define_property(GLOBAL
        PROPERTY LCOV_CAPTURE_INIT_FILES
            BRIEF_DOCS "List of all init capture files"
            FULL_DOCS "Empty capture files for the baseline coverage"
        )
endfunction()

function(_coverage_path_dest _RETURNVAR PATH)
    string(REPLACE "${CMAKE_CURRENT_BINARY_DIR}/" "" PATH "${PATH}")
    if(IS_ABSOLUTE "${PATH}")
        file(RELATIVE_PATH PATH "${CMAKE_CURRENT_SOURCE_DIR}" ${PATH})
    endif()
    string(REPLACE ".." "__" PATH "${PATH}")
    set("${_RETURNVAR}" "${PATH}" PARENT_SCOPE)
endfunction()

function(_coverage_filter_languages _RETURNVAR)
    get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)

    set(FILTERED_FILES)
    foreach(FILE ${ARGN})
        get_filename_component(FILE_EXT "${FILE}" EXT)
        string(TOLOWER "${FILE_EXT}" FILE_EXT)
        string(SUBSTRING "${FILE_EXT}" 1 -1 FILE_EXT)
        foreach(LANG ${ENABLED_LANGUAGES})
            if(FILE_EXT IN_LIST CMAKE_${LANG}_SOURCE_FILE_EXTENSIONS)
                list(APPEND FILTERED_FILES "${FILE}")
            endif()
        endforeach()
    endforeach()
    set("${_RETURNVAR}" "${FILTERED_FILES}" PARENT_SCOPE)
endfunction()

function(coverage_add_target _TARGET)
    cmake_parse_arguments(CAT "" "" "EXCEPT" ${ARGN})

    get_property(COMPILE_FLAGS TARGET "${_TARGET}" PROPERTY COMPILE_FLAGS)

    set_property(TARGET "${_TARGET}"
        APPEND_STRING
            PROPERTY COMPILE_FLAGS " ${COVERAGE_COMPILE_FLAGS}"
        )
    set_property(TARGET "${_TARGET}"
        APPEND_STRING
            PROPERTY LINK_FLAGS " ${COVERAGE_LINK_FLAGS}"
        )

    get_target_property(SOURCES "${_TARGET}" SOURCES)
    set(COVERAGE_FILES)
    foreach(SOURCE ${SOURCES})
        if("${SOURCE}" IN_LIST CAT_EXCEPT)
            continue()
        endif()
        _coverage_path_dest(RELSOURCE "${SOURCE}")
        list(APPEND COVERAGE_FILES
            "CMakeFiles/${_TARGET}.dir/${RELSOURCE}.gcno"
            "CMakeFiles/${_TARGET}.dir/${RELSOURCE}.gcda"
            )
    endforeach()

    set_property(GLOBAL
        APPEND PROPERTY COVERAGE_TARGETS
            "${_TARGET}"
        )
    set_property(DIRECTORY
        APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
            ${COVERAGE_FILES}
        )
    coverage_gcov_target(${_TARGET} EXCEPT "${CAT_EXCEPT}")
    coverage_lcov_target(${_TARGET} EXCEPT "${CAT_EXCEPT}")
endfunction()

function(coverage_collect)
    codecoverage_lcov_capture_initial()
    codecoverage_lcov_capture()
endfunction()

function(coverage_gcov_target _TARGET)
    cmake_parse_arguments(CGT "" "" "EXCEPT" ${ARGN})

    set(GCOV_DIR "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_TARGET}.dir")
    get_target_property(SOURCES "${_TARGET}" SOURCES)
    _coverage_filter_languages(SOURCES ${SOURCES})
    foreach(SOURCE ${SOURCES})
        _coverage_path_dest(RELSOURCE "${SOURCE}")
        if("${SOURCE}" IN_LIST CGT_EXCEPT)
            continue()
        endif()
        get_filename_component(RELSOURCE_PATH "${RELSOURCE}" PATH)

        add_custom_command(OUTPUT "${GCOV_DIR}/${RELSOURCE}.gcov"
            COMMAND test -s "${GCOV_DIR}/${RELSOURCE}.gcda"
                && "${COV_BIN}" "${GCOV_DIR}/${RELSOURCE}.gcno" > /dev/null
                || true
            DEPENDS "${_TARGET}" "${GCOV_DIR}/${RELSOURCE}.gcno" "${GCOV_DIR}/${RELSOURCE}.gcda"
            WORKING_DIRECTORY "${GCOV_DIR}/${RELSOURCE_PATH}"
            COMMENT "Capturing gcov data for source ${SOURCE} of target ${_TARGET}"
            )

        list(APPEND GCOV_FILES "${GCOV_DIR}/${RELSOURCE}.gcov")
    endforeach()
    add_custom_target("${_TARGET}-gcov"
        DEPENDS ${GCOV_FILES}
        COMMENT "Capturing gcov data of target ${_TARGET}"
        )
    add_dependencies(gcov "${_TARGET}-gcov")
endfunction()

function(coverage_lcov_target _TARGET)
    coverage_lcov_target_initial("${_TARGET}" ${ARGN})
    coverage_lcov_capture_target("${_TARGET}" ${ARGN})
endfunction()

function(coverage_lcov_target_initial _TARGET)
    cmake_parse_arguments(CLTI "" "" "EXCEPT" ${ARGN})

    set(LCOV_DIR "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_TARGET}.dir")
    set(INIT_DIR "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_TARGET}-capture-init.dir")
    get_target_property(SOURCES "${_TARGET}" SOURCES)
    _coverage_filter_languages(SOURCES ${SOURCES})

    set(GENINFO_FILES)
    foreach(SOURCE ${SOURCES})
        if("${SOURCE}" IN_LIST CLTI_EXCEPT)
            continue()
        endif()

        # generate empty coverage files
        _coverage_path_dest(RELSOURCE "${SOURCE}")
        get_filename_component(RELSOURCE_DIR "${RELSOURCE}" DIRECTORY)
        file(MAKE_DIRECTORY "${INIT_DIR}/${RELSOURCE_DIR}")
        set(GENINFO_FILE "${INIT_DIR}/${RELSOURCE}.info.init")
        list(APPEND GENINFO_FILES "${GENINFO_FILE}")

        add_custom_command(OUTPUT "${GENINFO_FILE}"
            COMMAND "${GENINFO_BIN}"
                --quiet --base-directory "${PROJECT_SOURCE_DIR}" --initial
                --gcov-tool "${COV_BIN}" --output-filename "${GENINFO_FILE}"
                --no-external "${LCOV_DIR}/${RELSOURCE}.gcno"
            DEPENDS "${_TARGET}"
            COMMENT "Capturing initial coverage data for ${SOURCE}"
            )
    endforeach()

    set(OUTFILE "${LCOV_DATA_PATH_INIT}/${_TARGET}.info")
    coverage_lcov_merge_files(
        OUTFILE "${OUTFILE}"
        FILES ${GENINFO_FILES}
        FLAGS "--initial"
        REMOVE_PATTERNS
        )
    add_custom_target("${_TARGET}-capture-init"
        DEPENDS "${OUTFILE}"
        COMMENT "Capturing initial coverage data for target ${_TARGET}"
        )

    add_dependencies(lcov-capture-init "${_TARGET}-capture-init")
    set_property(GLOBAL APPEND PROPERTY LCOV_CAPTURE_INIT_FILES "${OUTFILE}")
endfunction()

function(coverage_lcov_capture_target _TARGET)
    cmake_parse_arguments(CLC "" "" "EXCEPT" ${ARGN})

    set(LCOV_DIR "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_TARGET}.dir")
    set(CAP_DIR "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_TARGET}-geninfo.dir")
    set(INIT_DIR "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_TARGET}-capture-init.dir")
    get_target_property(SOURCES "${_TARGET}" SOURCES)
    _coverage_filter_languages(SOURCES ${SOURCES})

    set(GCDA_FILES)
    set(GENINFO_FILES)
    foreach(SOURCE ${SOURCES})
        if("${SOURCE}" IN_LIST CLC_EXCEPT)
            continue()
        endif()

        _coverage_path_dest(RELSOURCE "${SOURCE}")
        get_filename_component(RELSOURCE_DIR "${RELSOURCE}" DIRECTORY)
        file(MAKE_DIRECTORY "${CAP_DIR}/${RELSOURCE_DIR}")
        set(OUTFILE "${CAP_DIR}/${RELSOURCE}.info")

        list(APPEND GENINFO_FILES "${OUTFILE}")
        list(APPEND GCDA_FILES "${LCOV_DIR}/${RELSOURCE}.gcda")

        add_custom_command(OUTPUT "${LCOV_DIR}/${RELSOURCE}.gcda"
            COMMAND "${CMAKE_COMMAND}" -E touch "${LCOV_DIR}/${RELSOURCE}.gcda"
            DEPENDS "${_TARGET}"
            COMMENT "Touching ${LCOV_DIR}/${RELSOURCE}.gcda"
            )

        add_custom_command(OUTPUT "${OUTFILE}"
            COMMAND test -s "${LCOV_DIR}/${RELSOURCE}.gcda"
                && "${GENINFO_BIN}" --quiet --base-directory
                    "${PROJECT_SOURCE_DIR}" --gcov-tool "${COV_BIN}"
                    --output-filename "${OUTFILE}" --no-external
                    "${LCOV_DIR}/${RELSOURCE}.gcda"
                || cp "${INIT_DIR}/${RELSOURCE}.info.init" "${OUTFILE}"
            DEPENDS "${_TARGET}" "${_TARGET}-capture-init" "${LCOV_DIR}/${RELSOURCE}.gcda"
            COMMENT "Capturing coverage data for ${SOURCE}"
            )
    endforeach()

    # Concatenate all files generated by geninfo to a single file per target.
    set(OUTFILE "${LCOV_DATA_PATH_CAPTURE}/${_TARGET}.info")
    coverage_lcov_merge_files(OUTFILE "${OUTFILE}"
        FILES ${GENINFO_FILES}
        )
    add_custom_target("${_TARGET}-geninfo"
        DEPENDS "${OUTFILE}"
        COMMENT "Capturing coverage data for target ${_TARGET}"
        )

    add_custom_target("${_TARGET}-geninfo-clean"
        COMMAND "${CMAKE_COMMAND}" -E remove "${OUTFILE}" ${GCDA_FILES}
        COMMENT "Cleaning coverage data of target ${_TARGET}"
        )

    add_dependencies(lcov-capture "${_TARGET}-geninfo")
    set_property(GLOBAL APPEND PROPERTY LCOV_CAPTURE_FILES "${OUTFILE}")

    # Add target for generating html output for this target only.
    file(MAKE_DIRECTORY "${LCOV_HTML_PATH}/${_TARGET}")
    add_custom_target("${_TARGET}-lcov"
        COMMAND "${GENHTML_BIN}" --quiet --sort --prefix "${PROJECT_SOURCE_DIR}"
            --baseline-file "${LCOV_DATA_PATH_INIT}/${_TARGET}.info"
            --output-directory "${LCOV_HTML_PATH}/${_TARGET}"
            --title "${CMAKE_PROJECT_NAME} - target ${_TARGET}"
            --demangle-cpp "${OUTFILE}"
        DEPENDS "${_TARGET}-geninfo" "${_TARGET}-capture-init"
        COMMENT "Generating coverage report for target ${_TARGET}"
        )
endfunction()

function(codecoverage_lcov_capture_initial)
    set(INITCAPTURE_FILE "${LCOV_DATA_PATH_INIT}/all_targets.info")
    set(INITCAPTURE_FILE_UPLOAD "${INITCAPTURE_FILE}.upload")
    get_property(LCOV_CAPTURE_INIT_FILES GLOBAL PROPERTY LCOV_CAPTURE_INIT_FILES)
    coverage_lcov_merge_files(OUTFILE "${INITCAPTURE_FILE}" FILES ${LCOV_CAPTURE_INIT_FILES})
    add_custom_target(lcov-geninfo-init
        DEPENDS ${INITCAPTURE_FILE} lcov-capture-init
        COMMENT "Capturing global initial coverage data"
        )

    string(REPLACE "/" "\\/" PROJBINDIR_ESCAPED "${PROJECT_BINARY_DIR}/")
    string(REPLACE "/" "\\/" PROJSRCDIR_ESCAPED "${PROJECT_SOURCE_DIR}/")
    add_custom_command(OUTPUT "${INITCAPTURE_FILE_UPLOAD}"
        COMMAND sed -e 's/${PROJBINDIR_ESCAPED}//g' -e 's/${PROJSRCDIR_ESCAPED}//g' "${INITCAPTURE_FILE}" > "${INITCAPTURE_FILE_UPLOAD}"
        DEPENDS lcov-geninfo-init "${INITCAPTURE_FILE}"
        COMMENT "Creating ${INITCAPTURE_FILE_UPLOAD}"
        )
    add_custom_target(lcov-geninfo-init-upload
        DEPENDS "${INITCAPTURE_FILE_UPLOAD}"
        COMMENT "Preparing ${INITCAPTURE_FILE_UPLOAD} for upload"
        )
endfunction()

function(codecoverage_lcov_capture)
    set(TOTALCAPTURE_FILE "${LCOV_DATA_PATH_CAPTURE}/all_targets.info")
    set(TOTALCAPTURE_FILE_UPLOAD "${TOTALCAPTURE_FILE}.upload")
    get_property(COVERAGE_TARGETS GLOBAL PROPERTY COVERAGE_TARGETS)
    get_property(LCOV_CAPTURE_FILES GLOBAL PROPERTY LCOV_CAPTURE_FILES)
    set(GENINFO_CLEAN_TARGETS)
    set(GENINFO_TARGETS)
    foreach(COVERAGE_TARGET ${COVERAGE_TARGETS})
        list(APPEND GENINFO_TARGETS "${COVERAGE_TARGET}-geninfo")
        list(APPEND GENINFO_CLEAN_TARGETS "${COVERAGE_TARGET}-geninfo-clean")
    endforeach()

    coverage_lcov_merge_files(OUTFILE "${TOTALCAPTURE_FILE}" FILES ${LCOV_CAPTURE_FILES})
    add_custom_target(lcov-geninfo
        DEPENDS ${GENINFO_TARGETS} "${TOTALCAPTURE_FILE}"
        COMMENT "Capturing global coverage data"
        )

    string(REPLACE "/" "\\/" PROJBINDIR_ESCAPED "${PROJECT_BINARY_DIR}/")
    string(REPLACE "/" "\\/" PROJSRCDIR_ESCAPED "${PROJECT_SOURCE_DIR}/")
    add_custom_command(OUTPUT "${TOTALCAPTURE_FILE_UPLOAD}"
        COMMAND sed -e 's/^SF:${PROJBINDIR_ESCAPED}/SF:/g' -e 's/^SF:${PROJSRCDIR_ESCAPED}/SF:/g' "${TOTALCAPTURE_FILE}" > "${TOTALCAPTURE_FILE_UPLOAD}"
        DEPENDS lcov-geninfo "${TOTALCAPTURE_FILE}"
        COMMENT "Creating ${TOTALCAPTURE_FILE_UPLOAD}"
        )
    add_custom_target(lcov-geninfo-upload
        DEPENDS "${TOTALCAPTURE_FILE_UPLOAD}"
        COMMENT "Preparing ${TOTALCAPTURE_FILE_UPLOAD} for upload"
        )

    add_custom_target(lcov-geninfo-clean
        COMMAND "${CMAKE_COMMAND}" -E remove "${TOTALCAPTURE_FILE}" "${TOTALCAPTURE_FILE_UPLOAD}"
        COMMENT "Cleaning global coverage data"
        DEPENDS ${GENINFO_CLEAN_TARGETS}
        )

    file(MAKE_DIRECTORY ${LCOV_HTML_PATH}/all_targets)
    add_custom_target(lcov
        COMMAND "${GENHTML_BIN}" --quiet --sort
            --baseline-file "${LCOV_DATA_PATH_INIT}/all_targets.info"
            --output-directory "${LCOV_HTML_PATH}/all_targets"
            --title "${CMAKE_PROJECT_NAME}" --prefix "${PROJECT_SOURCE_DIR}"
            --demangle-cpp "${TOTALCAPTURE_FILE}"
        DEPENDS lcov-geninfo-init lcov-geninfo
        COMMENT "Generating global coverage report"
        )
endfunction()

function(coverage_lcov_merge_files)
    cmake_parse_arguments(CLMF "" "OUTFILE" "FILES;FLAGS;REMOVE_PATTERNS" ${ARGN})
    set(OUTFILE "${CLMF_OUTFILE}")

    # Generate merged file.
    string(REPLACE "${CMAKE_BINARY_DIR}/" "" FILE_REL "${OUTFILE}")
    add_custom_command(OUTPUT "${OUTFILE}.raw"
        COMMAND cat ${CLMF_FILES} > ${OUTFILE}.raw
        DEPENDS ${CLMF_FILES}
        COMMENT "Generating ${FILE_REL}"
        )

    add_custom_command(OUTPUT "${OUTFILE}"
        COMMAND "${LCOV_BIN}" --quiet -a "${OUTFILE}.raw" --output-file "${OUTFILE}"
            --base-directory "${PROJECT_SOURCE_DIR}" ${CLMF_FLAGS}
        COMMAND "${LCOV_BIN}" --quiet -r "${OUTFILE}" ${CLMF_REMOVE_PATTERNS}
            --output-file "${OUTFILE}" ${CLMF_FLAGS}
        DEPENDS "${OUTFILE}.raw"
        COMMENT "Post-processing ${FILE_REL}"
        )
endfunction()

function(add_coverage_upload_target_codecov_io)
    cmake_parse_arguments(CU "" "GITSHA1;GITBRANCH;NAME" "" ${ARGN})
    set(CAPTURE_FILES "${LCOV_DATA_PATH_INIT}/all_targets.info.upload" "${LCOV_DATA_PATH_CAPTURE}/all_targets.info.upload")

    find_program(CURL_BIN curl)
    if(NOT CURL_BIN)
        message(FATAL_ERROR "curl not found")
    endif()

    find_program(BASH_BIN bash)
    if(NOT BASH_BIN)
        message(FATAL_ERROR "bash not found")
    endif()

    set(CODECOV_PATH "${PROJECT_BINARY_DIR}/codecov.sh")

    set(CODECOV_SCRIPT_URL "https://codecov.io/bash" CACHE STRING "codecov.io bash script url")
    set(CODECOV_FLAGS "" CACHE STRING "codecov.io flags")
    string(REPLACE ";" "," CODECOV_FLAGS_ARG "${CODECOV_FLAGS}")
    add_custom_command(OUTPUT "${CODECOV_PATH}"
        COMMAND "${CURL_BIN}" "${CODECOV_SCRIPT_URL}" --insecure --output "${CODECOV_PATH}"
        COMMENT "Fetching codecov.io bash script"
        )

    set(EXTRA_ARGS)
    if(CU_GITSHA1)
        list(APPEND EXTRA_ARGS -C "${CU_GITSHA1}")
    endif()
    if(CU_GITBRANCH)
        list(APPEND EXTRA_ARGS -B "${CU_GITBRANCH}")
    endif()
    if(CU_NAME)
        list(APPEND EXTRA_ARGS -n "${CU_NAME}")
    endif()
    foreach(CAPTURE_FILE ${CAPTURE_FILES})
        list(APPEND EXTRA_ARGS -f "${CAPTURE_FILE}")
    endforeach()
    if(CODECOV_FLAG)
        list(APPEND EXTRA_ARGS -F "${CODECOV_FLAGS_ARG}")
    endif()

    add_custom_target(coverage_upload
        COMMAND "${BASH_BIN}" "${CODECOV_PATH}" ${EXTRA_ARGS}
            -Z -A "--insecure" -U "--insecure"
            -X gcov -X coveragepy -X search -X fix
        DEPENDS "${CODECOV_PATH}" lcov-geninfo-upload lcov-geninfo-init-upload
        WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
        COMMENT "Uploading coverage to codecov.io"
        )
endfunction()