51 lines
1.7 KiB
CMake
51 lines
1.7 KiB
CMake
find_program(CODE_COVERAGE_LCOV lcov)
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if (NOT CODE_COVERAGE_LCOV)
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message(FATAL_ERROR "Cannot find lcov...")
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endif()
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find_program(CODE_COVERAGE_LLVM_COV llvm-cov)
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if (NOT CODE_COVERAGE_LLVM_COV)
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message(FATAL_ERROR "Cannot find llvm-cov...")
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endif()
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find_program(CODE_COVERAGE_GENHTML genhtml)
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if (NOT CODE_COVERAGE_GENHTML)
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message(FATAL_ERROR "Cannot find genhtml...")
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endif()
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set(CMAKE_CXX_FLAGS_COVERAGE "-g -O0 --coverage")
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function(setup_lcov_test_target_coverage target_name output_dir capture_dirs source_dirs)
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if (NOT DEFINED LIBCXX_BINARY_DIR)
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message(FATAL_ERROR "Variable must be set")
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endif()
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set(GCOV_TOOL "${LIBCXX_BINARY_DIR}/llvm-cov-wrapper")
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file(GENERATE OUTPUT ${GCOV_TOOL}
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CONTENT "#!/usr/bin/env bash\n${CODE_COVERAGE_LLVM_COV} gcov \"$@\"\n")
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file(MAKE_DIRECTORY ${output_dir})
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set(CAPTURE_DIRS "")
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foreach(cdir ${capture_dirs})
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list(APPEND CAPTURE_DIRS "-d;${cdir}")
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endforeach()
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set(EXTRACT_DIRS "")
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foreach(sdir ${source_dirs})
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list(APPEND EXTRACT_DIRS "'${sdir}/*'")
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endforeach()
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message(STATUS "Capture Directories: ${CAPTURE_DIRS}")
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message(STATUS "Extract Directories: ${EXTRACT_DIRS}")
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add_custom_target(generate-lib${target_name}-coverage
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COMMAND chmod +x ${GCOV_TOOL}
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COMMAND ${CODE_COVERAGE_LCOV} --gcov-tool ${GCOV_TOOL} --capture ${CAPTURE_DIRS} -o test_coverage.info
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COMMAND ${CODE_COVERAGE_LCOV} --gcov-tool ${GCOV_TOOL} --extract test_coverage.info ${EXTRACT_DIRS} -o test_coverage.info
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COMMAND ${CODE_COVERAGE_GENHTML} --demangle-cpp test_coverage.info -o test_coverage
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COMMAND ${CMAKE_COMMAND} -E remove test_coverage.info
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WORKING_DIRECTORY ${output_dir}
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COMMENT "Generating coverage results")
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endfunction()
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