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56 lines
2.0 KiB
CMake
56 lines
2.0 KiB
CMake
# Check prereqs
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FIND_PROGRAM(GCOV_PATH gcov)
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FIND_PROGRAM(LCOV_PATH lcov)
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FIND_PROGRAM(GENHTML_PATH genhtml)
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IF(NOT GCOV_PATH)
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MESSAGE(FATAL_ERROR "gcov not found! Aborting...")
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ENDIF()
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IF(NOT CMAKE_COMPILER_IS_GNUCC AND NOT CMAKE_COMPILER_IS_GNUCXX)
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# Clang version 3.0.0 and greater now supports gcov as well.
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MESSAGE(STATUS "Compiler is not GNU gcc! Clang Version 3.0.0 and greater supports gcov as well, but older versions don't.")
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IF(NOT "${CMAKE_C_COMPILER_ID}" MATCHES "Clang" AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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MESSAGE(FATAL_ERROR "Compiler is not GNU gcc! Aborting...")
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ENDIF()
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ENDIF()
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SET(COVERAGE_FLAGS "-g -O0 --coverage")
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FUNCTION(SETUP_TARGET_FOR_COVERAGE _targetname _testrunner _outputname)
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IF(NOT LCOV_PATH)
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MESSAGE(FATAL_ERROR "lcov not found! Aborting...")
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ENDIF()
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IF(NOT GENHTML_PATH)
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MESSAGE(FATAL_ERROR "genhtml not found! Aborting...")
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ENDIF()
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# Setup target
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ADD_CUSTOM_TARGET(${_targetname}
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# Cleanup lcov
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${LCOV_PATH} --directory . --zerocounters
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# Run tests
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COMMAND ${_testrunner} ${ARGV3}
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# Capturing lcov counters and generating report
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COMMAND ${LCOV_PATH} --directory . --capture --output-file ${_outputname}.info --base-directory ${CMAKE_SOURCE_DIR} --no-external --quiet
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COMMAND ${LCOV_PATH} --remove ${_outputname}.info '*/test/*' '*/fuzz/*' --output-file ${_outputname}.info.cleaned --quiet
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COMMAND ${GENHTML_PATH} -o ${_outputname} ${_outputname}.info.cleaned --prefix ${CMAKE_SOURCE_DIR}
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# COMMAND ${CMAKE_COMMAND} -E remove ${_outputname}.info ${_outputname}.info.cleaned
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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COMMENT "Resetting code coverage counters to zero.\nProcessing code coverage counters and generating report."
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)
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# Show info where to find the report
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ADD_CUSTOM_COMMAND(TARGET ${_targetname} POST_BUILD
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COMMAND ;
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COMMENT "Open ./${_outputname}/index.html in your browser to view the coverage report."
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)
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ENDFUNCTION()
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