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5b18faff1a
This allows overriding the `CMAKE_CXX_VISIBILITY_PRESET` on the command line. For example, setting the value to `default` lets PIC LLVM static libraries be converted to DSOs, without the need to rebuild LLVM with BUILD_SHARED_LIBS=ON. Reviewed By: wenlei Differential Revision: https://reviews.llvm.org/D104168
41 lines
1.2 KiB
CMake
41 lines
1.2 KiB
CMake
list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
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list(APPEND LLVM_TABLEGEN_FLAGS -I ${LLVM_MAIN_SRC_DIR}/lib/Target)
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add_llvm_component_library(LLVMTarget
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Target.cpp
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TargetIntrinsicInfo.cpp
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TargetLoweringObjectFile.cpp
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TargetMachine.cpp
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TargetMachineC.cpp
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ADDITIONAL_HEADER_DIRS
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${LLVM_MAIN_INCLUDE_DIR}/llvm/Target
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LINK_COMPONENTS
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Analysis
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Core
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MC
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Support
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)
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# When building shared objects for each target there are some internal APIs
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# that are used across shared objects which we can't hide.
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if (NOT BUILD_SHARED_LIBS AND NOT APPLE AND
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NOT DEFINED CMAKE_CXX_VISIBILITY_PRESET)
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# Set default visibility to hidden, so we don't export all the Target classes
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# in libLLVM.so.
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set(CMAKE_CXX_VISIBILITY_PRESET hidden)
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endif()
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foreach(t ${LLVM_TARGETS_TO_BUILD})
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message(STATUS "Targeting ${t}")
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add_subdirectory(${t})
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endforeach()
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# Currently we do not allow libraries from lib to reference targets directly.
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# This property is used to enforce that convention. It is important because the
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# logic in llvm_map_components_to_libnames is order dependent on the target
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# libraries being created.
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set_property(GLOBAL PROPERTY LLVM_TARGETS_CONFIGURED On)
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