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      1 include_directories(..)
      2 
      3 # Runtime library sources and build flags.
      4 set(MSAN_RTL_SOURCES
      5   msan.cc
      6   msan_allocator.cc
      7   msan_interceptors.cc
      8   msan_linux.cc
      9   msan_new_delete.cc
     10   msan_report.cc
     11   )
     12 set(MSAN_RTL_CFLAGS
     13   ${SANITIZER_COMMON_CFLAGS}
     14   -fno-rtti
     15   -fPIE
     16   # Prevent clang from generating libc calls.
     17   -ffreestanding)
     18 
     19 # Static runtime library.
     20 set(MSAN_RUNTIME_LIBRARIES)
     21 set(arch "x86_64")
     22 if(CAN_TARGET_${arch})
     23   add_compiler_rt_static_runtime(clang_rt.msan-${arch} ${arch}
     24     SOURCES ${MSAN_RTL_SOURCES}
     25             $<TARGET_OBJECTS:RTInterception.${arch}>
     26             $<TARGET_OBJECTS:RTSanitizerCommon.${arch}>
     27             $<TARGET_OBJECTS:RTSanitizerCommonLibc.${arch}>
     28     CFLAGS ${MSAN_RTL_CFLAGS}
     29     SYMS msan.syms)
     30   list(APPEND MSAN_RUNTIME_LIBRARIES clang_rt.msan-${arch})
     31 endif()
     32 
     33 add_compiler_rt_resource_file(msan_blacklist msan_blacklist.txt)
     34 
     35 # We should only build MSan unit tests if we can build instrumented libcxx.
     36 set(MSAN_LIBCXX_PATH ${LLVM_MAIN_SRC_DIR}/projects/libcxx)
     37 if(EXISTS ${MSAN_LIBCXX_PATH}/)
     38   set(MSAN_CAN_INSTRUMENT_LIBCXX TRUE)
     39 else()
     40   set(MSAN_CAN_INSTRUMENT_LIBCXX FALSE)
     41 endif()
     42 
     43 if(LLVM_INCLUDE_TESTS)
     44   add_subdirectory(tests)
     45 endif()
     46 
     47 add_subdirectory(lit_tests)
     48