31 lines
1.4 KiB
CMake
31 lines
1.4 KiB
CMake
# Copyright (C) 2018-2020 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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#
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function(enable_fuzzing)
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# Enable (libFuzzer)[https://llvm.org/docs/LibFuzzer.html] if supported.
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if(CMAKE_CXX_COMPILER_ID MATCHES "^(Apple)?Clang$" AND NOT WIN32)
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# Communicate libfuzzer is enabled
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set(WITH_LIBFUZZER ON PARENT_SCOPE)
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add_compile_definitions(WITH_LIBFUZZER)
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# Enable libfuzzer and code coverage
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set(FUZZING_COMPILER_FLAGS "-fsanitize=fuzzer-no-link -fprofile-instr-generate -fcoverage-mapping")
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set(FUZZING_LINKER_FLAGS "-fsanitize-coverage=trace-pc-guard -fprofile-instr-generate")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FUZZING_COMPILER_FLAGS}" PARENT_SCOPE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FUZZING_COMPILER_FLAGS}" PARENT_SCOPE)
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FUZZING_LINKER_FLAGS}" PARENT_SCOPE)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FUZZING_LINKER_FLAGS}")
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endif()
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endfunction(enable_fuzzing)
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function(add_fuzzer FUZZER_EXE_NAME FUZZER_SOURCES)
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add_executable(${FUZZER_EXE_NAME} ${FUZZER_SOURCES})
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if(WITH_LIBFUZZER)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=fuzzer" PARENT_SCOPE)
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endif()
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target_link_libraries(${FUZZER_EXE_NAME} PRIVATE fuzz-testhelper)
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endfunction(add_fuzzer)
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