llvm-project/llvm/lib/Target/CMakeLists.txt

list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)

list(APPEND LLVM_TABLEGEN_FLAGS -I ${LLVM_MAIN_SRC_DIR}/lib/Target)

add_llvm_component_library(LLVMTarget
  Target.cpp
  TargetIntrinsicInfo.cpp
  TargetLoweringObjectFile.cpp
  TargetMachine.cpp
  TargetMachineC.cpp

  ADDITIONAL_HEADER_DIRS
  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Target
  )

# When building shared objects for each target there are some internal APIs
# that are used across shared objects which we can't hide.
if (NOT BUILD_SHARED_LIBS AND NOT APPLE)
  # Set default visibility to hidden, so we don't export all the Target classes
  # in libLLVM.so.
  set(CMAKE_CXX_VISIBILITY_PRESET hidden)
endif()

foreach(t ${LLVM_TARGETS_TO_BUILD})
  message(STATUS "Targeting ${t}")
  add_subdirectory(${t})
endforeach()

# Currently we do not allow libraries from lib to reference targets directly.
# This property is used to enforce that convention. It is important because the
# logic in llvm_map_components_to_libnames is order dependent on the target
# libraries being created.
set_property(GLOBAL PROPERTY LLVM_TARGETS_CONFIGURED On)