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      1 # This file will recurse into all subdirectories that contain CMakeLists.txt
      2 # Setting variables that match the pattern LLVM_TOOL_{NAME}_BUILD to Off will
      3 # prevent traversing into a directory.
      4 #
      5 # The only tools that need to be explicitly added are ones that have explicit
      6 # ordering requirements.
      7 
      8 # Iterates all the subdirectories to create CMake options to enable/disable
      9 # traversing each directory.
     10 create_llvm_tool_options()
     11 
     12 # Build polly before the tools: the tools link against polly when
     13 # LINK_POLLY_INTO_TOOLS is set.
     14 if(WITH_POLLY)
     15   add_llvm_external_project(polly)
     16 else()
     17   set(LLVM_TOOL_POLLY_BUILD Off)
     18 endif()
     19 
     20 if(NOT LLVM_BUILD_LLVM_DYLIB )
     21   set(LLVM_TOOL_LLVM_SHLIB_BUILD Off)
     22 endif()
     23 
     24 if(NOT LLVM_USE_INTEL_JITEVENTS )
     25   set(LLVM_TOOL_LLVM_JITLISTENER_BUILD Off)
     26 endif()
     27 
     28 if(CYGWIN OR NOT LLVM_ENABLE_PIC)
     29   set(LLVM_TOOL_LTO_BUILD Off)
     30   set(LLVM_TOOL_LLVM_LTO_BUILD Off)
     31 endif()
     32 
     33 # Add LTO, llvm-ar, llvm-config, and llvm-profdata before clang, ExternalProject
     34 # requires targets specified in DEPENDS to exist before the call to
     35 # ExternalProject_Add.
     36 add_llvm_tool_subdirectory(lto)
     37 add_llvm_tool_subdirectory(gold)
     38 add_llvm_tool_subdirectory(llvm-ar)
     39 add_llvm_tool_subdirectory(llvm-config)
     40 add_llvm_tool_subdirectory(llvm-lto)
     41 add_llvm_tool_subdirectory(llvm-profdata)
     42 
     43 # Projects supported via LLVM_EXTERNAL_*_SOURCE_DIR need to be explicitly
     44 # specified.
     45 add_llvm_external_project(clang)
     46 add_llvm_external_project(llgo)
     47 add_llvm_external_project(lld)
     48 add_llvm_external_project(lldb)
     49 
     50 # Automatically add remaining sub-directories containing a 'CMakeLists.txt'
     51 # file as external projects.
     52 add_llvm_implicit_projects()
     53 
     54 # Add subprojects specified using LLVM_EXTERNAL_PROJECTS
     55 foreach(p ${LLVM_EXTERNAL_PROJECTS})
     56   add_llvm_external_project(${p})
     57 endforeach(p)
     58 
     59 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
     60