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c884b23a0a
MCTargetOptionsCommandFlags.inc and CommandFlags.inc are headers which contain cl::opt with static storage. These headers are meant to be incuded by tools to make it easier to parametrize codegen/mc. However, these headers are also included in at least two libraries: lldCommon and handle-llvm. As a result, when creating DYLIB, clang-cpp holds a reference to the options, and lldCommon holds another reference. Linking the two in a single executable, as zig does[0], results in a double registration. This patch explores an other approach: the .inc files are moved to regular files, and the registration happens on-demand through static declaration of options in the constructor of a static object. [0] https://bugzilla.redhat.com/show_bug.cgi?id=1756977#c5 Differential Revision: https://reviews.llvm.org/D75579
40 lines
896 B
CMake
40 lines
896 B
CMake
set(LLVM_LINK_COMPONENTS
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AllTargetsAsmParsers
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AllTargetsCodeGens
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AllTargetsDescs
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AllTargetsDisassemblers
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AllTargetsInfos
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BitReader
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Core
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CodeGen
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LTO
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MC
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MCDisassembler
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Support
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Target
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)
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set(SOURCES
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LTODisassembler.cpp
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lto.cpp
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)
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set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
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add_llvm_library(LTO SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES} DEPENDS
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intrinsics_gen)
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install(FILES ${LLVM_MAIN_INCLUDE_DIR}/llvm-c/lto.h
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DESTINATION include/llvm-c
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COMPONENT LTO)
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if (APPLE)
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set(LTO_VERSION ${LLVM_VERSION_MAJOR})
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if(LLVM_LTO_VERSION_OFFSET)
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math(EXPR LTO_VERSION "${LLVM_VERSION_MAJOR} + ${LLVM_LTO_VERSION_OFFSET}")
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endif()
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set_property(TARGET LTO APPEND_STRING PROPERTY
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LINK_FLAGS
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" -compatibility_version 1 -current_version ${LTO_VERSION}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}")
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endif()
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