llvm/lldb/utils/TableGen/CMakeLists.txt

# tablegen targets get exported via llvm for LLVMConfig.cmake. So standalone
# builds of lldb can potentially import this via LLVMConfig and also attempt to
# build it in tree. So only build it if it doesn't exist.
if (NOT DEFINED LLDB_TABLEGEN_EXE)
  if (TARGET lldb-tblgen)
    set(LLDB_TABLEGEN_EXE $<TARGET_FILE:lldb-tblgen> CACHE STRING "")
  else()
    set(LLVM_LINK_COMPONENTS Support)

    add_tablegen(lldb-tblgen LLDB
      LLDBOptionDefEmitter.cpp
      LLDBPropertyDefEmitter.cpp
      LLDBTableGen.cpp
      LLDBTableGenUtils.cpp
      )
  endif()
endif()