include(CompilerRTCompile)

set(NSAN_UNITTEST_CFLAGS
  ${COMPILER_RT_UNITTEST_CFLAGS}
  ${COMPILER_RT_GTEST_CFLAGS}
  ${SANITIZER_TEST_CXX_CFLAGS}
  -I${COMPILER_RT_SOURCE_DIR}/include
  -I${COMPILER_RT_SOURCE_DIR}/lib
  -DSANITIZER_COMMON_REDEFINE_BUILTINS_IN_STD
  -O2
  -g
  -fno-omit-frame-pointer)

set(NSAN_UNITTEST_LINK_FLAGS
  ${COMPILER_RT_UNITTEST_LINK_FLAGS}
  ${COMPILER_RT_UNWINDER_LINK_LIBS}
  ${SANITIZER_TEST_CXX_LIBRARIES})
set(NSAN_UNITTEST_INSTRUMENTED_LINK_FLAGS ${NSAN_UNITTEST_LINK_FLAGS})
list(APPEND NSAN_UNITTEST_INSTRUMENTED_LINK_FLAGS -fsanitize=numerical)

file(GLOB NSAN_HEADERS ../*.h)
set(NSAN_UNITTESTS
	NSanUnitTest.cpp
        nsan_unit_test_main.cpp)

add_custom_target(NsanUnitTests)

if(COMPILER_RT_DEFAULT_TARGET_ARCH IN_LIST NSAN_SUPPORTED_ARCH)
  # NSan unit tests are only run on the host machine.
  set(arch ${COMPILER_RT_DEFAULT_TARGET_ARCH})

  set(NsanTestObjects)
  generate_compiler_rt_tests(NsanTestObjects
    NsanUnitTests "Nsan-${arch}-Test" ${arch}
    SOURCES ${NSAN_UNITTESTS} ${COMPILER_RT_GTEST_SOURCE}
    DEPS ${NSAN_UNIT_TEST_HEADERS}
    CFLAGS ${NSAN_UNITTEST_CFLAGS}
    LINK_FLAGS ${NSAN_UNITTEST_INSTRUMENTED_LINK_FLAGS})
  set_target_properties(NsanUnitTests PROPERTIES
    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
endif()