forked from Research/WhisperCom
355 lines
12 KiB
CMake
355 lines
12 KiB
CMake
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# This file is part of CMake-codecov.
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#
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# Copyright (c)
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# 2015-2017 RWTH Aachen University, Federal Republic of Germany
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#
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# See the LICENSE file in the package base directory for details
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#
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# Written by Alexander Haase, alexander.haase@rwth-aachen.de
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#
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# configuration
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set(LCOV_DATA_PATH "${CMAKE_BINARY_DIR}/lcov/data")
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set(LCOV_DATA_PATH_INIT "${LCOV_DATA_PATH}/init")
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set(LCOV_DATA_PATH_CAPTURE "${LCOV_DATA_PATH}/capture")
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set(LCOV_HTML_PATH "${CMAKE_BINARY_DIR}/lcov/html")
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# Search for Gcov which is used by Lcov.
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find_package(Gcov)
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# This function will add lcov evaluation for target <TNAME>. Only sources of
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# this target will be evaluated and no dependencies will be added. It will call
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# geninfo on any source file of <TNAME> once and store the info file in the same
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# directory.
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#
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# Note: This function is only a wrapper to define this function always, even if
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# coverage is not supported by the compiler or disabled. This function must
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# be defined here, because the module will be exited, if there is no coverage
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# support by the compiler or it is disabled by the user.
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function (add_lcov_target TNAME)
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if (LCOV_FOUND)
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# capture initial coverage data
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lcov_capture_initial_tgt(${TNAME})
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# capture coverage data after execution
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lcov_capture_tgt(${TNAME})
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endif ()
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endfunction (add_lcov_target)
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# include required Modules
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include(FindPackageHandleStandardArgs)
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# Search for required lcov binaries.
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find_program(LCOV_BIN lcov)
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find_program(GENINFO_BIN geninfo)
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find_program(GENHTML_BIN genhtml)
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find_package_handle_standard_args(lcov
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REQUIRED_VARS LCOV_BIN GENINFO_BIN GENHTML_BIN
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)
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# enable genhtml C++ demangeling, if c++filt is found.
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set(GENHTML_CPPFILT_FLAG "")
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find_program(CPPFILT_BIN c++filt)
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if (NOT CPPFILT_BIN STREQUAL "")
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set(GENHTML_CPPFILT_FLAG "--demangle-cpp")
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endif (NOT CPPFILT_BIN STREQUAL "")
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# enable no-external flag for lcov, if available.
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if (GENINFO_BIN AND NOT DEFINED GENINFO_EXTERN_FLAG)
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set(FLAG "")
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execute_process(COMMAND ${GENINFO_BIN} --help OUTPUT_VARIABLE GENINFO_HELP)
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string(REGEX MATCH "external" GENINFO_RES "${GENINFO_HELP}")
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if (GENINFO_RES)
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set(FLAG "--no-external")
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endif ()
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set(GENINFO_EXTERN_FLAG "${FLAG}"
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CACHE STRING "Geninfo flag to exclude system sources.")
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endif ()
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# If Lcov was not found, exit module now.
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if (NOT LCOV_FOUND)
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return()
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endif (NOT LCOV_FOUND)
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# Create directories to be used.
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file(MAKE_DIRECTORY ${LCOV_DATA_PATH_INIT})
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file(MAKE_DIRECTORY ${LCOV_DATA_PATH_CAPTURE})
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set(LCOV_REMOVE_PATTERNS "")
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# This function will merge lcov files to a single target file. Additional lcov
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# flags may be set with setting LCOV_EXTRA_FLAGS before calling this function.
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function (lcov_merge_files OUTFILE ...)
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# Remove ${OUTFILE} from ${ARGV} and generate lcov parameters with files.
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list(REMOVE_AT ARGV 0)
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# Generate merged file.
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string(REPLACE "${CMAKE_BINARY_DIR}/" "" FILE_REL "${OUTFILE}")
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add_custom_command(OUTPUT "${OUTFILE}.raw"
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COMMAND cat ${ARGV} > ${OUTFILE}.raw
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DEPENDS ${ARGV}
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COMMENT "Generating ${FILE_REL}"
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)
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add_custom_command(OUTPUT "${OUTFILE}"
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COMMAND ${LCOV_BIN} --quiet -a ${OUTFILE}.raw --output-file ${OUTFILE}
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--base-directory ${PROJECT_SOURCE_DIR} ${LCOV_EXTRA_FLAGS}
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COMMAND ${LCOV_BIN} --quiet -r ${OUTFILE} ${LCOV_REMOVE_PATTERNS}
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--output-file ${OUTFILE} ${LCOV_EXTRA_FLAGS}
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DEPENDS ${OUTFILE}.raw
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COMMENT "Post-processing ${FILE_REL}"
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)
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endfunction ()
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# Add a new global target to generate initial coverage reports for all targets.
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# This target will be used to generate the global initial info file, which is
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# used to gather even empty report data.
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if (NOT TARGET lcov-capture-init)
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add_custom_target(lcov-capture-init)
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set(LCOV_CAPTURE_INIT_FILES "" CACHE INTERNAL "")
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endif (NOT TARGET lcov-capture-init)
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# This function will add initial capture of coverage data for target <TNAME>,
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# which is needed to get also data for objects, which were not loaded at
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# execution time. It will call geninfo for every source file of <TNAME> once and
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# store the info file in the same directory.
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function (lcov_capture_initial_tgt TNAME)
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# We don't have to check, if the target has support for coverage, thus this
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# will be checked by add_coverage_target in Findcoverage.cmake. Instead we
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# have to determine which gcov binary to use.
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get_target_property(TSOURCES ${TNAME} SOURCES)
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set(SOURCES "")
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set(TCOMPILER "")
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foreach (FILE ${TSOURCES})
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codecov_path_of_source(${FILE} FILE)
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if (NOT "${FILE}" STREQUAL "")
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codecov_lang_of_source(${FILE} LANG)
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if (NOT "${LANG}" STREQUAL "")
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list(APPEND SOURCES "${FILE}")
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set(TCOMPILER ${CMAKE_${LANG}_COMPILER_ID})
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endif ()
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endif ()
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endforeach ()
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# If no gcov binary was found, coverage data can't be evaluated.
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if (NOT GCOV_${TCOMPILER}_BIN)
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message(WARNING "No coverage evaluation binary found for ${TCOMPILER}.")
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return()
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endif ()
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set(GCOV_BIN "${GCOV_${TCOMPILER}_BIN}")
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set(GCOV_ENV "${GCOV_${TCOMPILER}_ENV}")
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set(TDIR ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${TNAME}.dir)
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set(GENINFO_FILES "")
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foreach(FILE ${SOURCES})
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# generate empty coverage files
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set(OUTFILE "${TDIR}/${FILE}.info.init")
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list(APPEND GENINFO_FILES ${OUTFILE})
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add_custom_command(OUTPUT ${OUTFILE} COMMAND ${GCOV_ENV} ${GENINFO_BIN}
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--quiet --base-directory ${PROJECT_SOURCE_DIR} --initial
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--gcov-tool ${GCOV_BIN} --output-filename ${OUTFILE}
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${GENINFO_EXTERN_FLAG} ${TDIR}/${FILE}.gcno
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DEPENDS ${TNAME}
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COMMENT "Capturing initial coverage data for ${FILE}"
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)
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endforeach()
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# Concatenate all files generated by geninfo to a single file per target.
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set(OUTFILE "${LCOV_DATA_PATH_INIT}/${TNAME}.info")
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set(LCOV_EXTRA_FLAGS "--initial")
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lcov_merge_files("${OUTFILE}" ${GENINFO_FILES})
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add_custom_target(${TNAME}-capture-init ALL DEPENDS ${OUTFILE})
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# add geninfo file generation to global lcov-geninfo target
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add_dependencies(lcov-capture-init ${TNAME}-capture-init)
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set(LCOV_CAPTURE_INIT_FILES "${LCOV_CAPTURE_INIT_FILES}"
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"${OUTFILE}" CACHE INTERNAL ""
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)
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endfunction (lcov_capture_initial_tgt)
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# This function will generate the global info file for all targets. It has to be
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# called after all other CMake functions in the root CMakeLists.txt file, to get
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# a full list of all targets that generate coverage data.
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function (lcov_capture_initial)
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# Skip this function (and do not create the following targets), if there are
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# no input files.
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if ("${LCOV_CAPTURE_INIT_FILES}" STREQUAL "")
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return()
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endif ()
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# Add a new target to merge the files of all targets.
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set(OUTFILE "${LCOV_DATA_PATH_INIT}/all_targets.info")
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lcov_merge_files("${OUTFILE}" ${LCOV_CAPTURE_INIT_FILES})
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add_custom_target(lcov-geninfo-init ALL DEPENDS ${OUTFILE}
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lcov-capture-init
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)
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endfunction (lcov_capture_initial)
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# Add a new global target to generate coverage reports for all targets. This
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# target will be used to generate the global info file.
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if (NOT TARGET lcov-capture)
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add_custom_target(lcov-capture)
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set(LCOV_CAPTURE_FILES "" CACHE INTERNAL "")
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endif (NOT TARGET lcov-capture)
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# This function will add capture of coverage data for target <TNAME>, which is
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# needed to get also data for objects, which were not loaded at execution time.
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# It will call geninfo for every source file of <TNAME> once and store the info
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# file in the same directory.
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function (lcov_capture_tgt TNAME)
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# We don't have to check, if the target has support for coverage, thus this
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# will be checked by add_coverage_target in Findcoverage.cmake. Instead we
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# have to determine which gcov binary to use.
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get_target_property(TSOURCES ${TNAME} SOURCES)
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set(SOURCES "")
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set(TCOMPILER "")
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foreach (FILE ${TSOURCES})
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codecov_path_of_source(${FILE} FILE)
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if (NOT "${FILE}" STREQUAL "")
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codecov_lang_of_source(${FILE} LANG)
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if (NOT "${LANG}" STREQUAL "")
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list(APPEND SOURCES "${FILE}")
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set(TCOMPILER ${CMAKE_${LANG}_COMPILER_ID})
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endif ()
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endif ()
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endforeach ()
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# If no gcov binary was found, coverage data can't be evaluated.
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if (NOT GCOV_${TCOMPILER}_BIN)
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message(WARNING "No coverage evaluation binary found for ${TCOMPILER}.")
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return()
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endif ()
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set(GCOV_BIN "${GCOV_${TCOMPILER}_BIN}")
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set(GCOV_ENV "${GCOV_${TCOMPILER}_ENV}")
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set(TDIR ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${TNAME}.dir)
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set(GENINFO_FILES "")
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foreach(FILE ${SOURCES})
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# Generate coverage files. If no .gcda file was generated during
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# execution, the empty coverage file will be used instead.
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set(OUTFILE "${TDIR}/${FILE}.info")
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list(APPEND GENINFO_FILES ${OUTFILE})
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add_custom_command(OUTPUT ${OUTFILE}
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COMMAND test -f "${TDIR}/${FILE}.gcda"
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&& ${GCOV_ENV} ${GENINFO_BIN} --quiet --base-directory
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${PROJECT_SOURCE_DIR} --gcov-tool ${GCOV_BIN}
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--output-filename ${OUTFILE} ${GENINFO_EXTERN_FLAG}
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${TDIR}/${FILE}.gcda
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|| cp ${OUTFILE}.init ${OUTFILE}
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DEPENDS ${TNAME} ${TNAME}-capture-init
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COMMENT "Capturing coverage data for ${FILE}"
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)
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endforeach()
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# Concatenate all files generated by geninfo to a single file per target.
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set(OUTFILE "${LCOV_DATA_PATH_CAPTURE}/${TNAME}.info")
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lcov_merge_files("${OUTFILE}" ${GENINFO_FILES})
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add_custom_target(${TNAME}-geninfo DEPENDS ${OUTFILE})
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# add geninfo file generation to global lcov-capture target
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add_dependencies(lcov-capture ${TNAME}-geninfo)
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set(LCOV_CAPTURE_FILES "${LCOV_CAPTURE_FILES}" "${OUTFILE}" CACHE INTERNAL
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""
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)
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# Add target for generating html output for this target only.
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file(MAKE_DIRECTORY ${LCOV_HTML_PATH}/${TNAME})
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add_custom_target(${TNAME}-genhtml
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COMMAND ${GENHTML_BIN} --quiet --sort --prefix ${PROJECT_SOURCE_DIR}
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--baseline-file ${LCOV_DATA_PATH_INIT}/${TNAME}.info
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--output-directory ${LCOV_HTML_PATH}/${TNAME}
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--title "${CMAKE_PROJECT_NAME} - target ${TNAME}"
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${GENHTML_CPPFILT_FLAG} ${OUTFILE}
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DEPENDS ${TNAME}-geninfo ${TNAME}-capture-init
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)
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endfunction (lcov_capture_tgt)
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# This function will generate the global info file for all targets. It has to be
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# called after all other CMake functions in the root CMakeLists.txt file, to get
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# a full list of all targets that generate coverage data.
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function (lcov_capture)
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# Skip this function (and do not create the following targets), if there are
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# no input files.
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if ("${LCOV_CAPTURE_FILES}" STREQUAL "")
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return()
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endif ()
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# Add a new target to merge the files of all targets.
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set(OUTFILE "${LCOV_DATA_PATH_CAPTURE}/all_targets.info")
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lcov_merge_files("${OUTFILE}" ${LCOV_CAPTURE_FILES})
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add_custom_target(lcov-geninfo DEPENDS ${OUTFILE} lcov-capture)
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# Add a new global target for all lcov targets. This target could be used to
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# generate the lcov html output for the whole project instead of calling
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# <TARGET>-geninfo and <TARGET>-genhtml for each target. It will also be
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# used to generate a html site for all project data together instead of one
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# for each target.
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if (NOT TARGET lcov)
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file(MAKE_DIRECTORY ${LCOV_HTML_PATH}/all_targets)
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add_custom_target(lcov
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COMMAND ${GENHTML_BIN} --quiet --sort
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--baseline-file ${LCOV_DATA_PATH_INIT}/all_targets.info
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--output-directory ${LCOV_HTML_PATH}/all_targets
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--title "${CMAKE_PROJECT_NAME}" --prefix "${PROJECT_SOURCE_DIR}"
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${GENHTML_CPPFILT_FLAG} ${OUTFILE}
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DEPENDS lcov-geninfo-init lcov-geninfo
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)
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endif ()
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endfunction (lcov_capture)
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# Add a new global target to generate the lcov html report for the whole project
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# instead of calling <TARGET>-genhtml for each target (to create an own report
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# for each target). Instead of the lcov target it does not require geninfo for
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# all targets, so you have to call <TARGET>-geninfo to generate the info files
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# the targets you'd like to have in your report or lcov-geninfo for generating
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# info files for all targets before calling lcov-genhtml.
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file(MAKE_DIRECTORY ${LCOV_HTML_PATH}/selected_targets)
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if (NOT TARGET lcov-genhtml)
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add_custom_target(lcov-genhtml
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COMMAND ${GENHTML_BIN}
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--quiet
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--output-directory ${LCOV_HTML_PATH}/selected_targets
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||
|
|
--title \"${CMAKE_PROJECT_NAME} - targets `find
|
||
|
|
${LCOV_DATA_PATH_CAPTURE} -name \"*.info\" ! -name
|
||
|
|
\"all_targets.info\" -exec basename {} .info \\\;`\"
|
||
|
|
--prefix ${PROJECT_SOURCE_DIR}
|
||
|
|
--sort
|
||
|
|
${GENHTML_CPPFILT_FLAG}
|
||
|
|
`find ${LCOV_DATA_PATH_CAPTURE} -name \"*.info\" ! -name
|
||
|
|
\"all_targets.info\"`
|
||
|
|
)
|
||
|
|
endif (NOT TARGET lcov-genhtml)
|