blob: b886021aee3fd71bcf1208c5cb36f906f6406d86 [file] [log] [blame]
include(CheckCXXSourceCompiles)
if( APPLE )
CHECK_CXX_SOURCE_COMPILES("
static thread_local int blah;
int main() {
return 0;
}
" HAS_THREAD_LOCAL)
if( NOT HAS_THREAD_LOCAL )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Dthread_local=__thread")
endif()
endif()
if( LLVM_USE_SANITIZE_COVERAGE )
if(NOT "${LLVM_USE_SANITIZER}" STREQUAL "Address")
message(FATAL_ERROR
"LibFuzzer and its tests require LLVM_USE_SANITIZER=Address and "
"LLVM_USE_SANITIZE_COVERAGE=YES to be set."
)
endif()
set(LIBFUZZER_FLAGS_BASE "${CMAKE_CXX_FLAGS}")
# Disable the coverage and sanitizer instrumentation for the fuzzer itself.
set(CMAKE_CXX_FLAGS "${LIBFUZZER_FLAGS_BASE} -fno-sanitize-coverage=trace-pc-guard,edge,trace-cmp,indirect-calls,8bit-counters -Werror")
endif()
# Compile libFuzzer if the compilation is specifically requested, OR
# if the platform is known to be working.
if ( LLVM_USE_SANITIZE_COVERAGE OR CMAKE_SYSTEM_NAME MATCHES "Darwin|Linux" )
add_library(LLVMFuzzerNoMainObjects OBJECT
FuzzerCrossOver.cpp
FuzzerDriver.cpp
FuzzerExtFunctionsDlsym.cpp
FuzzerExtFunctionsDlsymWin.cpp
FuzzerExtFunctionsWeak.cpp
FuzzerExtraCounters.cpp
FuzzerIO.cpp
FuzzerIOPosix.cpp
FuzzerIOWindows.cpp
FuzzerLoop.cpp
FuzzerMerge.cpp
FuzzerMutate.cpp
FuzzerSHA1.cpp
FuzzerShmemPosix.cpp
FuzzerShmemWindows.cpp
FuzzerTracePC.cpp
FuzzerTraceState.cpp
FuzzerUtil.cpp
FuzzerUtilDarwin.cpp
FuzzerUtilLinux.cpp
FuzzerUtilPosix.cpp
FuzzerUtilWindows.cpp
)
add_library(LLVMFuzzerNoMain STATIC
$<TARGET_OBJECTS:LLVMFuzzerNoMainObjects>
)
target_link_libraries(LLVMFuzzerNoMain ${LLVM_PTHREAD_LIB})
add_library(LLVMFuzzer STATIC
FuzzerMain.cpp
$<TARGET_OBJECTS:LLVMFuzzerNoMainObjects>
)
target_link_libraries(LLVMFuzzer ${LLVM_PTHREAD_LIB})
endif()
if( LLVM_USE_SANITIZE_COVERAGE AND LLVM_INCLUDE_TESTS )
add_subdirectory(test)
endif()