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932ef24e95
Do not compile libFuzzer itself with coverage, regardless of LLVM variables Differential Revision: https://reviews.llvm.org/D36887 llvm-svn: 311374
100 lines
2.8 KiB
CMake
100 lines
2.8 KiB
CMake
include(CheckCXXSourceCompiles)
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if( APPLE )
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CHECK_CXX_SOURCE_COMPILES("
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static thread_local int blah;
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int main() {
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return 0;
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}
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" HAS_THREAD_LOCAL)
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if( NOT HAS_THREAD_LOCAL )
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Dthread_local=__thread")
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endif()
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endif()
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if (CMAKE_SYSTEM_NAME MATCHES "Darwin|Linux")
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set(LIBFUZZER_ENABLED_CHECK ON)
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else()
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set(LIBFUZZER_ENABLED_CHECK OFF)
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endif()
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# Compile libFuzzer if the compilation is specifically requested, OR
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# if the platform is known to be working.
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set(LIBFUZZER_ENABLE ${LIBFUZZER_ENABLED_CHECK} CACHE BOOL "Build libFuzzer and its tests")
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set(LIBFUZZER_ENABLE_TESTS OFF CACHE BOOL "Build libFuzzer and its tests")
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if (CMAKE_CXX_FLAGS MATCHES "fsanitize-coverage")
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set(CMAKE_CXX_FLAGS
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"${CMAKE_CXX_FLAGS} -fsanitize-coverage=0")
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endif()
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if (LIBFUZZER_ENABLE)
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add_library(LLVMFuzzerNoMainObjects OBJECT
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FuzzerClangCounters.cpp
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FuzzerCrossOver.cpp
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FuzzerDriver.cpp
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FuzzerExtFunctionsDlsym.cpp
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FuzzerExtFunctionsDlsymWin.cpp
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FuzzerExtFunctionsWeak.cpp
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FuzzerExtraCounters.cpp
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FuzzerIO.cpp
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FuzzerIOPosix.cpp
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FuzzerIOWindows.cpp
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FuzzerLoop.cpp
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FuzzerMerge.cpp
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FuzzerMutate.cpp
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FuzzerSHA1.cpp
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FuzzerShmemPosix.cpp
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FuzzerShmemWindows.cpp
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FuzzerTracePC.cpp
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FuzzerUtil.cpp
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FuzzerUtilDarwin.cpp
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FuzzerUtilLinux.cpp
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FuzzerUtilPosix.cpp
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FuzzerUtilWindows.cpp
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)
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add_library(LLVMFuzzerNoMain STATIC
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$<TARGET_OBJECTS:LLVMFuzzerNoMainObjects>
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)
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target_link_libraries(LLVMFuzzerNoMain ${LLVM_PTHREAD_LIB})
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add_library(LLVMFuzzer STATIC
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FuzzerMain.cpp
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$<TARGET_OBJECTS:LLVMFuzzerNoMainObjects>
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)
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target_link_libraries(LLVMFuzzer ${LLVM_PTHREAD_LIB})
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if(LLVMFuzzer IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
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NOT LLVM_DISTRIBUTION_COMPONENTS)
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set(export_to_llvmexports EXPORT LLVMExports)
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set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True)
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endif()
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install(TARGETS LLVMFuzzer
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${export_to_llvmexports}
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ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
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COMPONENT LLVMFuzzer)
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if (NOT CMAKE_CONFIGURATION_TYPES)
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add_custom_target(install-LLVMFuzzer
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DEPENDS LLVMFuzzer
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COMMAND "${CMAKE_COMMAND}"
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-DCMAKE_INSTALL_COMPONENT=LLVMFuzzer
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-P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
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endif()
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set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS LLVMFuzzer)
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endif()
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if (MSVC)
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# Until bots are reconfigured, check-fuzzer on Windows is a no-OP.
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add_custom_target(check-fuzzer)
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add_custom_command(TARGET check-fuzzer
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COMMAND cmake -E echo "check-fuzzer is disalbed on Windows")
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else()
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if (LLVM_INCLUDE_TESTS AND LIBFUZZER_ENABLE_TESTS)
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add_subdirectory(test)
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endif()
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endif()
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