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include(CompilerRTCompile)
set(LIBFUZZER_UNITTEST_CFLAGS
${COMPILER_RT_UNITTEST_CFLAGS}
${COMPILER_RT_GTEST_CFLAGS}
-I${COMPILER_RT_SOURCE_DIR}/lib/fuzzer
-fno-rtti
-O2)
if (APPLE)
set(FUZZER_SUPPORTED_OS osx)
endif()
add_custom_target(FuzzerUnitTests)
set_target_properties(FuzzerUnitTests PROPERTIES FOLDER "Compiler-RT Tests")
add_custom_target(FuzzedDataProviderUnitTests)
set_target_properties(FuzzedDataProviderUnitTests PROPERTIES FOLDER "Compiler-RT Tests")
set(LIBFUZZER_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS})
list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS --driver-mode=g++)
if(MSVC)
list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -Wl,-defaultlib:libcmt,-defaultlib:oldnames)
else()
if (APPLE)
list(APPEND LIBFUZZER_UNITTEST_CFLAGS -isysroot ${DARWIN_osx_SYSROOT})
list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -isysroot ${DARWIN_osx_SYSROOT})
endif()
list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -lpthread)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
COMPILER_RT_LIBCXX_PATH AND
COMPILER_RT_LIBCXXABI_PATH)
list(APPEND LIBFUZZER_UNITTEST_CFLAGS -nostdinc++ -fno-exceptions)
list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -nostdlib++ -fno-exceptions)
endif()
if ("-fvisibility=hidden" IN_LIST LIBFUZZER_CFLAGS)
# Match visibility settings.
list(APPEND LIBFUZZER_UNITTEST_CFLAGS "-fvisibility=hidden")
endif()
if(COMPILER_RT_DEFAULT_TARGET_ARCH IN_LIST FUZZER_SUPPORTED_ARCH)
# libFuzzer unit tests are only run on the host machine.
set(arch ${COMPILER_RT_DEFAULT_TARGET_ARCH})
set(LIBFUZZER_TEST_RUNTIME RTFuzzerTest.${arch})
if(APPLE)
set(LIBFUZZER_TEST_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTfuzzer.osx>)
else()
set(LIBFUZZER_TEST_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTfuzzer.${arch}>)
endif()
add_library(${LIBFUZZER_TEST_RUNTIME} STATIC
${LIBFUZZER_TEST_RUNTIME_OBJECTS})
set_target_properties(${LIBFUZZER_TEST_RUNTIME} PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
FOLDER "Compiler-RT Runtime tests")
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
COMPILER_RT_LIBCXX_PATH AND
COMPILER_RT_LIBCXXABI_PATH)
file(GLOB libfuzzer_headers ../*.h)
set(LIBFUZZER_TEST_RUNTIME_DEPS libcxx_fuzzer_${arch}-build ${libfuzzer_headers})
set(LIBFUZZER_TEST_RUNTIME_CFLAGS -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
set(LIBFUZZER_TEST_RUNTIME_LINK_FLAGS ${LIBCXX_${arch}_PREFIX}/lib/libc++.a)
endif()
set(FuzzerTestObjects)
generate_compiler_rt_tests(FuzzerTestObjects
FuzzerUnitTests "Fuzzer-${arch}-Test" ${arch}
SOURCES FuzzerUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
RUNTIME ${LIBFUZZER_TEST_RUNTIME}
DEPS llvm_gtest ${LIBFUZZER_TEST_RUNTIME_DEPS}
CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
set_target_properties(FuzzerUnitTests PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
set(FuzzedDataProviderTestObjects)
generate_compiler_rt_tests(FuzzedDataProviderTestObjects
FuzzedDataProviderUnitTests "FuzzerUtils-${arch}-Test" ${arch}
SOURCES FuzzedDataProviderUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
DEPS llvm_gtest ${LIBFUZZER_TEST_RUNTIME_DEPS} ${COMPILER_RT_SOURCE_DIR}/include/fuzzer/FuzzedDataProvider.h
CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
set_target_properties(FuzzedDataProviderUnitTests PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
endif()
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