r264610 - Convert to Unix line endings due to previous commit error.

Mike Spertus via cfe-commits cfe-commits at lists.llvm.org
Mon Mar 28 11:24:22 PDT 2016


Author: mps
Date: Mon Mar 28 13:24:22 2016
New Revision: 264610

URL: http://llvm.org/viewvc/llvm-project?rev=264610&view=rev
Log:
Convert to Unix line endings due to previous commit error.

Modified:
    cfe/trunk/CMakeLists.txt

Modified: cfe/trunk/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CMakeLists.txt?rev=264610&r1=264609&r2=264610&view=diff
==============================================================================
--- cfe/trunk/CMakeLists.txt (original)
+++ cfe/trunk/CMakeLists.txt Mon Mar 28 13:24:22 2016
@@ -1,823 +1,823 @@
-cmake_minimum_required(VERSION 2.8.8)
-
-# FIXME: It may be removed when we use 2.8.12.
-if(CMAKE_VERSION VERSION_LESS 2.8.12)
-  # Invalidate a couple of keywords.
-  set(cmake_2_8_12_INTERFACE)
-  set(cmake_2_8_12_PRIVATE)
-else()
-  # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
-  set(cmake_2_8_12_INTERFACE INTERFACE)
-  set(cmake_2_8_12_PRIVATE PRIVATE)
-  if(POLICY CMP0022)
-    cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
-  endif()
-endif()
-
-# If we are not building as a part of LLVM, build Clang as an
-# standalone project, using LLVM as an external library:
-if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
-  project(Clang)
-
-  # Rely on llvm-config.
-  set(CONFIG_OUTPUT)
-  find_program(LLVM_CONFIG "llvm-config")
-  if(LLVM_CONFIG)
-    message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
-    set(CONFIG_COMMAND ${LLVM_CONFIG}
-      "--assertion-mode"
-      "--bindir"
-      "--libdir"
-      "--includedir"
-      "--prefix"
-      "--src-root")
-    execute_process(
-      COMMAND ${CONFIG_COMMAND}
-      RESULT_VARIABLE HAD_ERROR
-      OUTPUT_VARIABLE CONFIG_OUTPUT
-    )
-    if(NOT HAD_ERROR)
-      string(REGEX REPLACE
-        "[ \t]*[\r\n]+[ \t]*" ";"
-        CONFIG_OUTPUT ${CONFIG_OUTPUT})
-    else()
-      string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
-      message(STATUS "${CONFIG_COMMAND_STR}")
-      message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
-    endif()
-  else()
-    message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}")
-  endif()
-
-  list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS)
-  list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR)
-  list(GET CONFIG_OUTPUT 2 LIBRARY_DIR)
-  list(GET CONFIG_OUTPUT 3 INCLUDE_DIR)
-  list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT)
-  list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR)
-
-  if(NOT MSVC_IDE)
-    set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS}
-      CACHE BOOL "Enable assertions")
-    # Assertions should follow llvm-config's.
-    mark_as_advanced(LLVM_ENABLE_ASSERTIONS)
-  endif()
-
-  set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin")
-  set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib")
-  set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
-  set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
-  set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
-
-  find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
-    NO_DEFAULT_PATH)
-
-  set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
-  set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
-  if(EXISTS ${LLVMCONFIG_FILE})
-    list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
-    include(${LLVMCONFIG_FILE})
-  else()
-    message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}")
-  endif()
-
-  # They are used as destination of target generators.
-  set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
-  set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
-  if(WIN32 OR CYGWIN)
-    # DLL platform -- put DLLs into bin.
-    set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
-  else()
-    set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
-  endif()
-
-  option(LLVM_INSTALL_TOOLCHAIN_ONLY
-    "Only include toolchain files in the 'install' target." OFF)
-
-  option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
-    "Set to ON to force using an old, unsupported host toolchain." OFF)
-  option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF)
-
-  include(AddLLVM)
-  include(TableGen)
-  include(HandleLLVMOptions)
-  include(VersionFromVCS)
-
-  set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
-
-  if (NOT DEFINED LLVM_INCLUDE_TESTS)
-    set(LLVM_INCLUDE_TESTS ON)
-  endif()
-
-  include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}")
-  link_directories("${LLVM_LIBRARY_DIR}")
-
-  set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
-  set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
-  set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
-
-  if(LLVM_INCLUDE_TESTS)
-    set(Python_ADDITIONAL_VERSIONS 2.7)
-    include(FindPythonInterp)
-    if(NOT PYTHONINTERP_FOUND)
-      message(FATAL_ERROR
-"Unable to find Python interpreter, required for builds and testing.
-
-Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
-    endif()
-
-    if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
-      message(FATAL_ERROR "Python 2.7 or newer is required")
-    endif()
-
-    # Check prebuilt llvm/utils.
-    if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
-        AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX}
-        AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
-      set(LLVM_UTILS_PROVIDED ON)
-    endif()
-
-    if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
-      set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
-      if(NOT LLVM_UTILS_PROVIDED)
-        add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
-        add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count)
-        add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
-        set(LLVM_UTILS_PROVIDED ON)
-        set(CLANG_TEST_DEPS FileCheck count not)
-      endif()
-      set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
-      if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
-          AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
-          AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
-        add_subdirectory(${UNITTEST_DIR} utils/unittest)
-      endif()
-    else()
-      # Seek installed Lit.
-      find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit
-        DOC "Path to lit.py")
-    endif()
-
-    if(LLVM_LIT)
-      # Define the default arguments to use with 'lit', and an option for the user
-      # to override.
-      set(LIT_ARGS_DEFAULT "-sv")
-      if (MSVC OR XCODE)
-        set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
-      endif()
-      set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
-
-      # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
-      if( WIN32 AND NOT CYGWIN )
-        set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
-      endif()
-    else()
-      set(LLVM_INCLUDE_TESTS OFF)
-    endif()
-  endif()
-
-  set( CLANG_BUILT_STANDALONE 1 )
-  set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}")
-else()
-  set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}")
-endif()
-
-find_package(LibXml2 2.5.3 QUIET)
-if (LIBXML2_FOUND)
-  set(CLANG_HAVE_LIBXML 1)
-endif()
-
-set(CLANG_RESOURCE_DIR "" CACHE STRING
-  "Relative directory from the Clang binary to its resource files.")
-
-set(C_INCLUDE_DIRS "" CACHE STRING
-  "Colon separated list of directories clang will search for headers.")
-
-set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." )
-set(DEFAULT_SYSROOT "" CACHE PATH
-  "Default <path> to all compiler invocations for --sysroot=<path>." )
-
-set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING
-  "Default C++ stdlib to use (empty for architecture default, \"libstdc++\" or \"libc++\"")
-if (NOT(CLANG_DEFAULT_CXX_STDLIB STREQUAL "" OR
-        CLANG_DEFAULT_CXX_STDLIB STREQUAL "libstdc++" OR
-        CLANG_DEFAULT_CXX_STDLIB STREQUAL "libc++"))
-  message(WARNING "Resetting default C++ stdlib to use architecture default")
-  set(CLANG_DEFAULT_CXX_STDLIB "")
-endif()
-
-set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING
-  "Default OpenMP runtime used by -fopenmp.")
-
-set(CLANG_VENDOR ${PACKAGE_VENDOR} CACHE STRING
-  "Vendor-specific text for showing with version information.")
-
-if( CLANG_VENDOR )
-  add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " )
-endif()
-
-set(CLANG_REPOSITORY_STRING "" CACHE STRING
-  "Vendor-specific text for showing the repository the source is taken from.")
-
-if(CLANG_REPOSITORY_STRING)
-  add_definitions(-DCLANG_REPOSITORY_STRING="${CLANG_REPOSITORY_STRING}")
-endif()
-
-option(CLANG_APPEND_VC_REV
-  "Append the version control system revision id to clang version spew" OFF)
-if(CLANG_APPEND_VC_REV)
-  if(NOT SVN_REVISION)
-    # This macro will set SVN_REVISION in the parent scope
-    add_version_info_from_vcs(VERSION_VAR)
-  endif()
-
-  if(SVN_REVISION)
-    add_definitions(-DSVN_REVISION="${SVN_REVISION}")
-  endif()
-endif()
-
-set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING
-  "Vendor-specific uti.")
-
-# The libdir suffix must exactly match whatever LLVM's configuration used.
-set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}")
-
-set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
-set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
-
-if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
-  message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
-"the makefiles distributed with LLVM. Please create a directory and run cmake "
-"from there, passing the path to this source directory as the last argument. "
-"This process created the file `CMakeCache.txt' and the directory "
-"`CMakeFiles'. Please delete them.")
-endif()
-
-if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
-  file(GLOB_RECURSE
-    tablegenned_files_on_include_dir
-    "${CLANG_SOURCE_DIR}/include/clang/*.inc")
-  if( tablegenned_files_on_include_dir )
-    message(FATAL_ERROR "Apparently there is a previous in-source build, "
-"probably as the result of running `configure' and `make' on "
-"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
-"${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
-  endif()
-endif()
-
-# Compute the Clang version from the LLVM version.
-string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
-  ${PACKAGE_VERSION})
-message(STATUS "Clang version: ${CLANG_VERSION}")
-
-string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
-  ${CLANG_VERSION})
-string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
-  ${CLANG_VERSION})
-if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
-  set(CLANG_HAS_VERSION_PATCHLEVEL 1)
-  string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
-    ${CLANG_VERSION})
-else()
-  set(CLANG_HAS_VERSION_PATCHLEVEL 0)
-endif()
-
-# Configure the Version.inc file.
-configure_file(
-  ${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
-  ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
-
-# Add appropriate flags for GCC
-if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual")
-  if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
-  endif ()
-
-  # Enable -pedantic for Clang even if it's not enabled for LLVM.
-  if (NOT LLVM_ENABLE_PEDANTIC)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-long-long")
-  endif ()
-
-  check_cxx_compiler_flag("-Werror -Wnested-anon-types" CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG)
-  if( CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG )
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-nested-anon-types" )
-  endif()
-endif ()
-
-# Determine HOST_LINK_VERSION on Darwin.
-set(HOST_LINK_VERSION)
-if (APPLE)
-  set(LD_V_OUTPUT)
-  execute_process(
-    COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1"
-    RESULT_VARIABLE HAD_ERROR
-    OUTPUT_VARIABLE LD_V_OUTPUT
-  )
-  if (NOT HAD_ERROR)
-    if ("${LD_V_OUTPUT}" MATCHES ".*ld64-([0-9.]+).*")
-      string(REGEX REPLACE ".*ld64-([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
-    elseif ("${LD_V_OUTPUT}" MATCHES "[^0-9]*([0-9.]+).*")
-      string(REGEX REPLACE "[^0-9]*([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
-    endif()
-  else()
-    message(FATAL_ERROR "${CMAKE_LINKER} failed with status ${HAD_ERROR}")
-  endif()
-endif()
-
-configure_file(
-  ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
-  ${CLANG_BINARY_DIR}/include/clang/Config/config.h)
-
-include(CMakeParseArguments)
-
-function(clang_tablegen)
-  # Syntax:
-  # clang_tablegen output-file [tablegen-arg ...] SOURCE source-file
-  # [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]]
-  #
-  # Generates a custom command for invoking tblgen as
-  #
-  # tblgen source-file -o=output-file tablegen-arg ...
-  #
-  # and, if cmake-target-name is provided, creates a custom target for
-  # executing the custom command depending on output-file. It is
-  # possible to list more files to depend after DEPENDS.
-
-  cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN})
-
-  if( NOT CTG_SOURCE )
-    message(FATAL_ERROR "SOURCE source-file required by clang_tablegen")
-  endif()
-
-  set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
-  tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS})
-
-  if(CTG_TARGET)
-    add_public_tablegen_target(${CTG_TARGET})
-    set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning")
-    set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET})
-  endif()
-endfunction(clang_tablegen)
-
-macro(set_clang_windows_version_resource_properties name)
-  if(DEFINED windows_resource_file)
-    set_windows_version_resource_properties(${name} ${windows_resource_file}
-      VERSION_MAJOR ${CLANG_VERSION_MAJOR}
-      VERSION_MINOR ${CLANG_VERSION_MINOR}
-      VERSION_PATCHLEVEL ${CLANG_VERSION_PATCHLEVEL}
-      VERSION_STRING "${CLANG_VERSION} (${BACKEND_PACKAGE_STRING})"
-      PRODUCT_NAME "clang")
-  endif()
-endmacro()
-
-macro(add_clang_subdirectory name)
-  add_llvm_subdirectory(CLANG TOOL ${name})
-endmacro()
-
-macro(add_clang_library name)
-  cmake_parse_arguments(ARG
-    "SHARED"
-    ""
-    "ADDITIONAL_HEADERS"
-    ${ARGN})
-  set(srcs)
-  if(MSVC_IDE OR XCODE)
-    # Add public headers
-    file(RELATIVE_PATH lib_path
-      ${CLANG_SOURCE_DIR}/lib/
-      ${CMAKE_CURRENT_SOURCE_DIR}
-    )
-    if(NOT lib_path MATCHES "^[.][.]")
-      file( GLOB_RECURSE headers
-        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h
-        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def
-      )
-      set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON)
-
-      file( GLOB_RECURSE tds
-        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td
-      )
-      source_group("TableGen descriptions" FILES ${tds})
-      set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON)
-
-      if(headers OR tds)
-        set(srcs ${headers} ${tds})
-      endif()
-    endif()
-  endif(MSVC_IDE OR XCODE)
-  if(srcs OR ARG_ADDITIONAL_HEADERS)
-    set(srcs
-      ADDITIONAL_HEADERS
-      ${srcs}
-      ${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args.
-      )
-  endif()
-  if(ARG_SHARED)
-    set(ARG_ENABLE_SHARED SHARED)
-  endif()
-  llvm_add_library(${name} ${ARG_ENABLE_SHARED} ${ARG_UNPARSED_ARGUMENTS} ${srcs})
-
-  if(TARGET ${name})
-    target_link_libraries(${name} ${cmake_2_8_12_INTERFACE} ${LLVM_COMMON_LIBS})
-
-    if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang")
-      install(TARGETS ${name}
-        COMPONENT ${name}
-        EXPORT ClangTargets
-        LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
-        ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
-        RUNTIME DESTINATION bin)
-
-      if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)
-        add_custom_target(install-${name}
-                          DEPENDS ${name}
-                          COMMAND "${CMAKE_COMMAND}"
-                                  -DCMAKE_INSTALL_COMPONENT=${name}
-                                  -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
-      endif()
-    endif()
-    set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${name})
-  else()
-    # Add empty "phony" target
-    add_custom_target(${name})
-  endif()
-
-  set_target_properties(${name} PROPERTIES FOLDER "Clang libraries")
-  set_clang_windows_version_resource_properties(${name})
-endmacro(add_clang_library)
-
-macro(add_clang_executable name)
-  add_llvm_executable( ${name} ${ARGN} )
-  set_target_properties(${name} PROPERTIES FOLDER "Clang executables")
-  set_clang_windows_version_resource_properties(${name})
-endmacro(add_clang_executable)
-
-macro(add_clang_tool name)
-  add_clang_executable(${name} ${ARGN})
-  install(TARGETS ${name}
-    RUNTIME DESTINATION bin
-    COMPONENT ${name})
-
-  if(NOT CMAKE_CONFIGURATION_TYPES)
-    add_custom_target(install-${name}
-      DEPENDS ${name}
-      COMMAND "${CMAKE_COMMAND}"
-              -DCMAKE_INSTALL_COMPONENT=${name}
-              -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
-  endif()
-endmacro()
-
-macro(add_clang_symlink name dest)
-  add_llvm_tool_symlink(${name} ${dest} ALWAYS_GENERATE)
-  # Always generate install targets
-  llvm_install_symlink(${name} ${dest} ALWAYS_GENERATE)
-endmacro()
-
-set(CMAKE_INCLUDE_CURRENT_DIR ON)
-
-include_directories(BEFORE
-  ${CMAKE_CURRENT_BINARY_DIR}/include
-  ${CMAKE_CURRENT_SOURCE_DIR}/include
-  )
-
-if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
-  install(DIRECTORY include/clang include/clang-c
-    DESTINATION include
-    FILES_MATCHING
-    PATTERN "*.def"
-    PATTERN "*.h"
-    PATTERN "config.h" EXCLUDE
-    PATTERN ".svn" EXCLUDE
-    )
-
-  install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang
-    DESTINATION include
-    FILES_MATCHING
-    PATTERN "CMakeFiles" EXCLUDE
-    PATTERN "*.inc"
-    PATTERN "*.h"
-    )
-endif()
-
-add_definitions( -D_GNU_SOURCE )
-
-option(CLANG_ENABLE_ARCMT "Build ARCMT." ON)
-if (CLANG_ENABLE_ARCMT)
-  set(ENABLE_CLANG_ARCMT "1")
-else()
-  set(ENABLE_CLANG_ARCMT "0")
-endif()
-
-option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON)
-if (CLANG_ENABLE_STATIC_ANALYZER)
-  set(ENABLE_CLANG_STATIC_ANALYZER "1")
-else()
-  set(ENABLE_CLANG_STATIC_ANALYZER "0")
-endif()
-
-if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT)
-  message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT")
-endif()
-
-if(CLANG_ENABLE_ARCMT)
-  add_definitions(-DCLANG_ENABLE_ARCMT)
-  add_definitions(-DCLANG_ENABLE_OBJC_REWRITER)
-endif()
-if(CLANG_ENABLE_STATIC_ANALYZER)
-  add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER)
-endif()
-
-# Clang version information
-set(CLANG_EXECUTABLE_VERSION
-     "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
-    "Version number that will be placed into the clang executable, in the form XX.YY")
-set(LIBCLANG_LIBRARY_VERSION
-     "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
-    "Version number that will be placed into the libclang library , in the form XX.YY")
-mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
-
-option(CLANG_INCLUDE_TESTS
-       "Generate build targets for the Clang unit tests."
-       ${LLVM_INCLUDE_TESTS})
-
-add_subdirectory(utils/TableGen)
-
-add_subdirectory(include)
-
-# All targets below may depend on all tablegen'd files.
-get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS)
-list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS})
-
-add_subdirectory(lib)
-add_subdirectory(tools)
-add_subdirectory(runtime)
-
-option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF)
-if (CLANG_BUILD_EXAMPLES)
-  set(ENABLE_CLANG_EXAMPLES "1")
-else()
-  set(ENABLE_CLANG_EXAMPLES "0")
-endif()
-add_subdirectory(examples)
-
-if( CLANG_INCLUDE_TESTS )
-  if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include/gtest/gtest.h)
-    add_subdirectory(unittests)
-    list(APPEND CLANG_TEST_DEPS ClangUnitTests)
-    list(APPEND CLANG_TEST_PARAMS
-      clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg
-      )
-  endif()
-  add_subdirectory(test)
-
-  if(CLANG_BUILT_STANDALONE)
-    # Add a global check rule now that all subdirectories have been traversed
-    # and we know the total set of lit testsuites.
-    get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
-    get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
-    get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
-    get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
-    add_lit_target(check-all
-      "Running all regression tests"
-      ${LLVM_LIT_TESTSUITES}
-      PARAMS ${LLVM_LIT_PARAMS}
-      DEPENDS ${LLVM_LIT_DEPENDS}
-      ARGS ${LLVM_LIT_EXTRA_ARGS}
-      )
-  endif()
-  add_subdirectory(utils/perf-training)
-endif()
-
-option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs."
-  ${LLVM_INCLUDE_DOCS})
-if( CLANG_INCLUDE_DOCS )
-  add_subdirectory(docs)
-endif()
-
-if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
-  file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
-endif()
-
-if(CLANG_ORDER_FILE STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
-  unset(CLANG_ORDER_FILE CACHE)
-  unset(CLANG_ORDER_FILE)
-endif()
-
-set(CLANG_ORDER_FILE "" CACHE FILEPATH
-  "Order file to use when compiling clang in order to improve startup time.")
-
-if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR
-    CMAKE_VERSION VERSION_GREATER 3)
-  # Generate a list of CMake library targets so that other CMake projects can
-  # link against them. LLVM calls its version of this file LLVMExports.cmake, but
-  # the usual CMake convention seems to be ${Project}Targets.cmake.
-  set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
-  set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
-  get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
-  export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
-
-  # Install a <prefix>/lib/cmake/clang/ClangConfig.cmake file so that
-  # find_package(Clang) works. Install the target list with it.
-  install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
-
-  install(FILES
-    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
-    DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
-
-  # Also copy ClangConfig.cmake to the build directory so that dependent projects
-  # can build against a build directory of Clang more easily.
-  configure_file(
-    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
-    ${CLANG_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake
-    COPYONLY)
-endif ()
-
-if (CLANG_ENABLE_BOOTSTRAP)
-  include(ExternalProject)
-
-  if(CMAKE_VERSION VERSION_GREATER 3.1.0)
-    set(cmake_3_1_EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL 1)
-  endif()
-
-  if(CMAKE_VERSION VERSION_GREATER 3.3.20150708)
-    set(cmake_3_4_USES_TERMINAL_OPTIONS
-      USES_TERMINAL_CONFIGURE 1
-      USES_TERMINAL_BUILD 1
-      USES_TERMINAL_INSTALL 1
-      )
-    set(cmake_3_4_USES_TERMINAL USES_TERMINAL 1)
-  endif()
-
-  if(NOT CLANG_STAGE)
-    set(CLANG_STAGE stage1)
-    message(STATUS "Setting current clang stage to: ${CLANG_STAGE}")
-  endif()
-
-  string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${CLANG_STAGE}")
-  if(MATCHED_STAGE)
-    if(NOT LLVM_BUILD_INSTRUMENTED)
-      math(EXPR STAGE_NUM "${CMAKE_MATCH_1} + 1")
-      set(NEXT_CLANG_STAGE stage${STAGE_NUM})
-    else()
-      set(NEXT_CLANG_STAGE stage${CMAKE_MATCH_1})
-    endif()
-  else()
-    set(NEXT_CLANG_STAGE bootstrap)
-  endif()
-
-  if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
-    set(NEXT_CLANG_STAGE ${NEXT_CLANG_STAGE}-instrumented)
-  endif()
-  message(STATUS "Setting next clang stage to: ${NEXT_CLANG_STAGE}")
-  
-  
-  set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-stamps/)
-  set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-bins/)
-
-  # If on Darwin we need to make bootstrap depend on LTO and pass
-  # DARWIN_LTO_LIBRARY so that -flto will work using the just-built compiler
-  if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO)
-    set(LTO_DEP LTO llvm-ar llvm-ranlib)
-    set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
-    set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
-    if(APPLE)
-      set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib)
-    elseif(NOT WIN32)
-      list(APPEND LTO_DEP LLVMgold)
-    endif()
-  endif()
-
-  add_custom_target(${NEXT_CLANG_STAGE}-clear
-    DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
-    )
-  add_custom_command(
-    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
-    DEPENDS clang ${LTO_DEP}
-    COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
-    COMMAND ${CMAKE_COMMAND} -E make_directory ${BINARY_DIR}
-    COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
-    COMMAND ${CMAKE_COMMAND} -E make_directory ${STAMP_DIR}
-    COMMENT "Clobberring ${NEXT_CLANG_STAGE} build and stamp directories"
-    )
-
-  if(CMAKE_VERBOSE_MAKEFILE)
-    set(verbose -DCMAKE_VERBOSE_MAKEFILE=On)
-  endif()
-
-  set(BOOTSTRAP_DEFAULT_PASSTHROUGH
-    PACKAGE_VERSION
-    LLVM_VERSION_MAJOR
-    LLVM_VERSION_MINOR
-    LLVM_VERSION_PATCH
-    LLVM_VERSION_SUFFIX
-    LLVM_BINUTILS_INCDIR
-    CLANG_REPOSITORY_STRING
-    CMAKE_MAKE_PROGRAM)
-
-  if(TARGET compiler-rt)
-    set(RUNTIME_DEP compiler-rt)
-  endif()
-
-  set(COMPILER_OPTIONS
-    -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++
-    -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
-    -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
-
-  if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
-    set(PGO_DEP llvm-profdata)
-    set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata)
-  endif()
-
-  if(LLVM_BUILD_INSTRUMENTED)
-    set(PGO_DEP generate-profdata)
-    set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata)
-    set(COMPILER_OPTIONS
-      -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-      -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-      -DCMAKE_ASM_COMPILER=${CMAKE_ASM_COMPILER})
-    set(RUNTIME_DEP) # Don't set runtime dependencies
-  endif()
-
-  # Find all variables that start with BOOTSTRAP_ and populate a variable with
-  # them.
-  get_cmake_property(variableNames VARIABLES)
-  foreach(variableName ${variableNames})
-    if(variableName MATCHES "^BOOTSTRAP_")
-      string(SUBSTRING ${variableName} 10 -1 varName)
-      string(REPLACE ";" "\;" value "${${variableName}}")
-      list(APPEND PASSTHROUGH_VARIABLES
-        -D${varName}=${value})
-    endif()
-    if(${variableName} AND variableName MATCHES "LLVM_EXTERNAL_.*_SOURCE_DIR")
-      list(APPEND PASSTHROUGH_VARIABLES
-        -D${variableName}=${${variableName}})
-    endif()
-  endforeach()
-
-  # Populate the passthrough variables
-  foreach(variableName ${CLANG_BOOTSTRAP_PASSTHROUGH} ${BOOTSTRAP_DEFAULT_PASSTHROUGH})
-    if(${variableName})
-      string(REPLACE ";" "\;" value ${${variableName}})
-      list(APPEND PASSTHROUGH_VARIABLES
-        -D${variableName}=${value})
-    endif()
-  endforeach()
-
-  ExternalProject_Add(${NEXT_CLANG_STAGE}
-    DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} ${PGO_DEP}
-    PREFIX ${NEXT_CLANG_STAGE}
-    SOURCE_DIR ${CMAKE_SOURCE_DIR}
-    STAMP_DIR ${STAMP_DIR}
-    BINARY_DIR ${BINARY_DIR}
-    ${cmake_3_1_EXCLUDE_FROM_ALL}
-    CMAKE_ARGS
-                # We shouldn't need to set this here, but INSTALL_DIR doesn't
-                # seem to work, so instead I'm passing this through
-                -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
-                ${CLANG_BOOTSTRAP_CMAKE_ARGS}
-                ${PASSTHROUGH_VARIABLES}
-                 -DCLANG_STAGE=${NEXT_CLANG_STAGE}
-                ${COMPILER_OPTIONS}
-                ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT}
-    INSTALL_COMMAND ""
-    STEP_TARGETS configure build
-    ${cmake_3_4_USES_TERMINAL_OPTIONS}
-    )
-
-  # exclude really-install from main target
-  set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_really-install_EXCLUDE_FROM_MAIN On)
-  ExternalProject_Add_Step(${NEXT_CLANG_STAGE} really-install
-    COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target install
-    COMMENT "Performing install step for '${NEXT_CLANG_STAGE}'"
-    DEPENDEES build
-    ${cmake_3_4_USES_TERMINAL}
-  )
-  ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} really-install)
-  add_custom_target(${NEXT_CLANG_STAGE}-install DEPENDS ${NEXT_CLANG_STAGE}-really-install)
-
-  if(NOT CLANG_BOOTSTRAP_TARGETS)
-    set(CLANG_BOOTSTRAP_TARGETS check-llvm check-clang check-all)
-  endif()
-  foreach(target ${CLANG_BOOTSTRAP_TARGETS})
-    # exclude from main target
-    set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_${target}_EXCLUDE_FROM_MAIN On)
-
-    ExternalProject_Add_Step(${NEXT_CLANG_STAGE} ${target}
-      COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target ${target}
-      COMMENT "Performing ${target} for '${NEXT_CLANG_STAGE}'"
-      DEPENDEES configure
-      ${cmake_3_4_USES_TERMINAL}
-    )
-
-    if(target MATCHES "^stage[0-9]*")
-      add_custom_target(${target} DEPENDS ${NEXT_CLANG_STAGE}-${target})
-    endif()
-
-    ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} ${target})
-  endforeach()
-endif()
-
-if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
-  add_subdirectory(utils/ClangVisualizers)
-endif()
+cmake_minimum_required(VERSION 2.8.8)
+
+# FIXME: It may be removed when we use 2.8.12.
+if(CMAKE_VERSION VERSION_LESS 2.8.12)
+  # Invalidate a couple of keywords.
+  set(cmake_2_8_12_INTERFACE)
+  set(cmake_2_8_12_PRIVATE)
+else()
+  # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
+  set(cmake_2_8_12_INTERFACE INTERFACE)
+  set(cmake_2_8_12_PRIVATE PRIVATE)
+  if(POLICY CMP0022)
+    cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
+  endif()
+endif()
+
+# If we are not building as a part of LLVM, build Clang as an
+# standalone project, using LLVM as an external library:
+if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
+  project(Clang)
+
+  # Rely on llvm-config.
+  set(CONFIG_OUTPUT)
+  find_program(LLVM_CONFIG "llvm-config")
+  if(LLVM_CONFIG)
+    message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
+    set(CONFIG_COMMAND ${LLVM_CONFIG}
+      "--assertion-mode"
+      "--bindir"
+      "--libdir"
+      "--includedir"
+      "--prefix"
+      "--src-root")
+    execute_process(
+      COMMAND ${CONFIG_COMMAND}
+      RESULT_VARIABLE HAD_ERROR
+      OUTPUT_VARIABLE CONFIG_OUTPUT
+    )
+    if(NOT HAD_ERROR)
+      string(REGEX REPLACE
+        "[ \t]*[\r\n]+[ \t]*" ";"
+        CONFIG_OUTPUT ${CONFIG_OUTPUT})
+    else()
+      string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
+      message(STATUS "${CONFIG_COMMAND_STR}")
+      message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
+    endif()
+  else()
+    message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}")
+  endif()
+
+  list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS)
+  list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR)
+  list(GET CONFIG_OUTPUT 2 LIBRARY_DIR)
+  list(GET CONFIG_OUTPUT 3 INCLUDE_DIR)
+  list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT)
+  list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR)
+
+  if(NOT MSVC_IDE)
+    set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS}
+      CACHE BOOL "Enable assertions")
+    # Assertions should follow llvm-config's.
+    mark_as_advanced(LLVM_ENABLE_ASSERTIONS)
+  endif()
+
+  set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin")
+  set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib")
+  set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
+  set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
+  set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
+
+  find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
+    NO_DEFAULT_PATH)
+
+  set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
+  set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
+  if(EXISTS ${LLVMCONFIG_FILE})
+    list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
+    include(${LLVMCONFIG_FILE})
+  else()
+    message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}")
+  endif()
+
+  # They are used as destination of target generators.
+  set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
+  set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
+  if(WIN32 OR CYGWIN)
+    # DLL platform -- put DLLs into bin.
+    set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
+  else()
+    set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
+  endif()
+
+  option(LLVM_INSTALL_TOOLCHAIN_ONLY
+    "Only include toolchain files in the 'install' target." OFF)
+
+  option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
+    "Set to ON to force using an old, unsupported host toolchain." OFF)
+  option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF)
+
+  include(AddLLVM)
+  include(TableGen)
+  include(HandleLLVMOptions)
+  include(VersionFromVCS)
+
+  set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
+
+  if (NOT DEFINED LLVM_INCLUDE_TESTS)
+    set(LLVM_INCLUDE_TESTS ON)
+  endif()
+
+  include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}")
+  link_directories("${LLVM_LIBRARY_DIR}")
+
+  set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
+  set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
+  set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
+
+  if(LLVM_INCLUDE_TESTS)
+    set(Python_ADDITIONAL_VERSIONS 2.7)
+    include(FindPythonInterp)
+    if(NOT PYTHONINTERP_FOUND)
+      message(FATAL_ERROR
+"Unable to find Python interpreter, required for builds and testing.
+
+Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
+    endif()
+
+    if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
+      message(FATAL_ERROR "Python 2.7 or newer is required")
+    endif()
+
+    # Check prebuilt llvm/utils.
+    if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
+        AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX}
+        AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
+      set(LLVM_UTILS_PROVIDED ON)
+    endif()
+
+    if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
+      set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
+      if(NOT LLVM_UTILS_PROVIDED)
+        add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
+        add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count)
+        add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
+        set(LLVM_UTILS_PROVIDED ON)
+        set(CLANG_TEST_DEPS FileCheck count not)
+      endif()
+      set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
+      if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
+          AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
+          AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
+        add_subdirectory(${UNITTEST_DIR} utils/unittest)
+      endif()
+    else()
+      # Seek installed Lit.
+      find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit
+        DOC "Path to lit.py")
+    endif()
+
+    if(LLVM_LIT)
+      # Define the default arguments to use with 'lit', and an option for the user
+      # to override.
+      set(LIT_ARGS_DEFAULT "-sv")
+      if (MSVC OR XCODE)
+        set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
+      endif()
+      set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
+
+      # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
+      if( WIN32 AND NOT CYGWIN )
+        set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
+      endif()
+    else()
+      set(LLVM_INCLUDE_TESTS OFF)
+    endif()
+  endif()
+
+  set( CLANG_BUILT_STANDALONE 1 )
+  set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}")
+else()
+  set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}")
+endif()
+
+find_package(LibXml2 2.5.3 QUIET)
+if (LIBXML2_FOUND)
+  set(CLANG_HAVE_LIBXML 1)
+endif()
+
+set(CLANG_RESOURCE_DIR "" CACHE STRING
+  "Relative directory from the Clang binary to its resource files.")
+
+set(C_INCLUDE_DIRS "" CACHE STRING
+  "Colon separated list of directories clang will search for headers.")
+
+set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." )
+set(DEFAULT_SYSROOT "" CACHE PATH
+  "Default <path> to all compiler invocations for --sysroot=<path>." )
+
+set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING
+  "Default C++ stdlib to use (empty for architecture default, \"libstdc++\" or \"libc++\"")
+if (NOT(CLANG_DEFAULT_CXX_STDLIB STREQUAL "" OR
+        CLANG_DEFAULT_CXX_STDLIB STREQUAL "libstdc++" OR
+        CLANG_DEFAULT_CXX_STDLIB STREQUAL "libc++"))
+  message(WARNING "Resetting default C++ stdlib to use architecture default")
+  set(CLANG_DEFAULT_CXX_STDLIB "")
+endif()
+
+set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING
+  "Default OpenMP runtime used by -fopenmp.")
+
+set(CLANG_VENDOR ${PACKAGE_VENDOR} CACHE STRING
+  "Vendor-specific text for showing with version information.")
+
+if( CLANG_VENDOR )
+  add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " )
+endif()
+
+set(CLANG_REPOSITORY_STRING "" CACHE STRING
+  "Vendor-specific text for showing the repository the source is taken from.")
+
+if(CLANG_REPOSITORY_STRING)
+  add_definitions(-DCLANG_REPOSITORY_STRING="${CLANG_REPOSITORY_STRING}")
+endif()
+
+option(CLANG_APPEND_VC_REV
+  "Append the version control system revision id to clang version spew" OFF)
+if(CLANG_APPEND_VC_REV)
+  if(NOT SVN_REVISION)
+    # This macro will set SVN_REVISION in the parent scope
+    add_version_info_from_vcs(VERSION_VAR)
+  endif()
+
+  if(SVN_REVISION)
+    add_definitions(-DSVN_REVISION="${SVN_REVISION}")
+  endif()
+endif()
+
+set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING
+  "Vendor-specific uti.")
+
+# The libdir suffix must exactly match whatever LLVM's configuration used.
+set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}")
+
+set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
+
+if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
+  message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
+"the makefiles distributed with LLVM. Please create a directory and run cmake "
+"from there, passing the path to this source directory as the last argument. "
+"This process created the file `CMakeCache.txt' and the directory "
+"`CMakeFiles'. Please delete them.")
+endif()
+
+if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
+  file(GLOB_RECURSE
+    tablegenned_files_on_include_dir
+    "${CLANG_SOURCE_DIR}/include/clang/*.inc")
+  if( tablegenned_files_on_include_dir )
+    message(FATAL_ERROR "Apparently there is a previous in-source build, "
+"probably as the result of running `configure' and `make' on "
+"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
+"${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
+  endif()
+endif()
+
+# Compute the Clang version from the LLVM version.
+string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
+  ${PACKAGE_VERSION})
+message(STATUS "Clang version: ${CLANG_VERSION}")
+
+string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
+  ${CLANG_VERSION})
+string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
+  ${CLANG_VERSION})
+if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
+  set(CLANG_HAS_VERSION_PATCHLEVEL 1)
+  string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
+    ${CLANG_VERSION})
+else()
+  set(CLANG_HAS_VERSION_PATCHLEVEL 0)
+endif()
+
+# Configure the Version.inc file.
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
+  ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
+
+# Add appropriate flags for GCC
+if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual")
+  if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
+  endif ()
+
+  # Enable -pedantic for Clang even if it's not enabled for LLVM.
+  if (NOT LLVM_ENABLE_PEDANTIC)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-long-long")
+  endif ()
+
+  check_cxx_compiler_flag("-Werror -Wnested-anon-types" CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG)
+  if( CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG )
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-nested-anon-types" )
+  endif()
+endif ()
+
+# Determine HOST_LINK_VERSION on Darwin.
+set(HOST_LINK_VERSION)
+if (APPLE)
+  set(LD_V_OUTPUT)
+  execute_process(
+    COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1"
+    RESULT_VARIABLE HAD_ERROR
+    OUTPUT_VARIABLE LD_V_OUTPUT
+  )
+  if (NOT HAD_ERROR)
+    if ("${LD_V_OUTPUT}" MATCHES ".*ld64-([0-9.]+).*")
+      string(REGEX REPLACE ".*ld64-([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
+    elseif ("${LD_V_OUTPUT}" MATCHES "[^0-9]*([0-9.]+).*")
+      string(REGEX REPLACE "[^0-9]*([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
+    endif()
+  else()
+    message(FATAL_ERROR "${CMAKE_LINKER} failed with status ${HAD_ERROR}")
+  endif()
+endif()
+
+configure_file(
+  ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
+  ${CLANG_BINARY_DIR}/include/clang/Config/config.h)
+
+include(CMakeParseArguments)
+
+function(clang_tablegen)
+  # Syntax:
+  # clang_tablegen output-file [tablegen-arg ...] SOURCE source-file
+  # [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]]
+  #
+  # Generates a custom command for invoking tblgen as
+  #
+  # tblgen source-file -o=output-file tablegen-arg ...
+  #
+  # and, if cmake-target-name is provided, creates a custom target for
+  # executing the custom command depending on output-file. It is
+  # possible to list more files to depend after DEPENDS.
+
+  cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN})
+
+  if( NOT CTG_SOURCE )
+    message(FATAL_ERROR "SOURCE source-file required by clang_tablegen")
+  endif()
+
+  set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
+  tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS})
+
+  if(CTG_TARGET)
+    add_public_tablegen_target(${CTG_TARGET})
+    set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning")
+    set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET})
+  endif()
+endfunction(clang_tablegen)
+
+macro(set_clang_windows_version_resource_properties name)
+  if(DEFINED windows_resource_file)
+    set_windows_version_resource_properties(${name} ${windows_resource_file}
+      VERSION_MAJOR ${CLANG_VERSION_MAJOR}
+      VERSION_MINOR ${CLANG_VERSION_MINOR}
+      VERSION_PATCHLEVEL ${CLANG_VERSION_PATCHLEVEL}
+      VERSION_STRING "${CLANG_VERSION} (${BACKEND_PACKAGE_STRING})"
+      PRODUCT_NAME "clang")
+  endif()
+endmacro()
+
+macro(add_clang_subdirectory name)
+  add_llvm_subdirectory(CLANG TOOL ${name})
+endmacro()
+
+macro(add_clang_library name)
+  cmake_parse_arguments(ARG
+    "SHARED"
+    ""
+    "ADDITIONAL_HEADERS"
+    ${ARGN})
+  set(srcs)
+  if(MSVC_IDE OR XCODE)
+    # Add public headers
+    file(RELATIVE_PATH lib_path
+      ${CLANG_SOURCE_DIR}/lib/
+      ${CMAKE_CURRENT_SOURCE_DIR}
+    )
+    if(NOT lib_path MATCHES "^[.][.]")
+      file( GLOB_RECURSE headers
+        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h
+        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def
+      )
+      set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON)
+
+      file( GLOB_RECURSE tds
+        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td
+      )
+      source_group("TableGen descriptions" FILES ${tds})
+      set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON)
+
+      if(headers OR tds)
+        set(srcs ${headers} ${tds})
+      endif()
+    endif()
+  endif(MSVC_IDE OR XCODE)
+  if(srcs OR ARG_ADDITIONAL_HEADERS)
+    set(srcs
+      ADDITIONAL_HEADERS
+      ${srcs}
+      ${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args.
+      )
+  endif()
+  if(ARG_SHARED)
+    set(ARG_ENABLE_SHARED SHARED)
+  endif()
+  llvm_add_library(${name} ${ARG_ENABLE_SHARED} ${ARG_UNPARSED_ARGUMENTS} ${srcs})
+
+  if(TARGET ${name})
+    target_link_libraries(${name} ${cmake_2_8_12_INTERFACE} ${LLVM_COMMON_LIBS})
+
+    if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang")
+      install(TARGETS ${name}
+        COMPONENT ${name}
+        EXPORT ClangTargets
+        LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+        ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+        RUNTIME DESTINATION bin)
+
+      if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)
+        add_custom_target(install-${name}
+                          DEPENDS ${name}
+                          COMMAND "${CMAKE_COMMAND}"
+                                  -DCMAKE_INSTALL_COMPONENT=${name}
+                                  -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
+      endif()
+    endif()
+    set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${name})
+  else()
+    # Add empty "phony" target
+    add_custom_target(${name})
+  endif()
+
+  set_target_properties(${name} PROPERTIES FOLDER "Clang libraries")
+  set_clang_windows_version_resource_properties(${name})
+endmacro(add_clang_library)
+
+macro(add_clang_executable name)
+  add_llvm_executable( ${name} ${ARGN} )
+  set_target_properties(${name} PROPERTIES FOLDER "Clang executables")
+  set_clang_windows_version_resource_properties(${name})
+endmacro(add_clang_executable)
+
+macro(add_clang_tool name)
+  add_clang_executable(${name} ${ARGN})
+  install(TARGETS ${name}
+    RUNTIME DESTINATION bin
+    COMPONENT ${name})
+
+  if(NOT CMAKE_CONFIGURATION_TYPES)
+    add_custom_target(install-${name}
+      DEPENDS ${name}
+      COMMAND "${CMAKE_COMMAND}"
+              -DCMAKE_INSTALL_COMPONENT=${name}
+              -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
+  endif()
+endmacro()
+
+macro(add_clang_symlink name dest)
+  add_llvm_tool_symlink(${name} ${dest} ALWAYS_GENERATE)
+  # Always generate install targets
+  llvm_install_symlink(${name} ${dest} ALWAYS_GENERATE)
+endmacro()
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+include_directories(BEFORE
+  ${CMAKE_CURRENT_BINARY_DIR}/include
+  ${CMAKE_CURRENT_SOURCE_DIR}/include
+  )
+
+if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+  install(DIRECTORY include/clang include/clang-c
+    DESTINATION include
+    FILES_MATCHING
+    PATTERN "*.def"
+    PATTERN "*.h"
+    PATTERN "config.h" EXCLUDE
+    PATTERN ".svn" EXCLUDE
+    )
+
+  install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang
+    DESTINATION include
+    FILES_MATCHING
+    PATTERN "CMakeFiles" EXCLUDE
+    PATTERN "*.inc"
+    PATTERN "*.h"
+    )
+endif()
+
+add_definitions( -D_GNU_SOURCE )
+
+option(CLANG_ENABLE_ARCMT "Build ARCMT." ON)
+if (CLANG_ENABLE_ARCMT)
+  set(ENABLE_CLANG_ARCMT "1")
+else()
+  set(ENABLE_CLANG_ARCMT "0")
+endif()
+
+option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON)
+if (CLANG_ENABLE_STATIC_ANALYZER)
+  set(ENABLE_CLANG_STATIC_ANALYZER "1")
+else()
+  set(ENABLE_CLANG_STATIC_ANALYZER "0")
+endif()
+
+if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT)
+  message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT")
+endif()
+
+if(CLANG_ENABLE_ARCMT)
+  add_definitions(-DCLANG_ENABLE_ARCMT)
+  add_definitions(-DCLANG_ENABLE_OBJC_REWRITER)
+endif()
+if(CLANG_ENABLE_STATIC_ANALYZER)
+  add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER)
+endif()
+
+# Clang version information
+set(CLANG_EXECUTABLE_VERSION
+     "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
+    "Version number that will be placed into the clang executable, in the form XX.YY")
+set(LIBCLANG_LIBRARY_VERSION
+     "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
+    "Version number that will be placed into the libclang library , in the form XX.YY")
+mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
+
+option(CLANG_INCLUDE_TESTS
+       "Generate build targets for the Clang unit tests."
+       ${LLVM_INCLUDE_TESTS})
+
+add_subdirectory(utils/TableGen)
+
+add_subdirectory(include)
+
+# All targets below may depend on all tablegen'd files.
+get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS)
+list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS})
+
+add_subdirectory(lib)
+add_subdirectory(tools)
+add_subdirectory(runtime)
+
+option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF)
+if (CLANG_BUILD_EXAMPLES)
+  set(ENABLE_CLANG_EXAMPLES "1")
+else()
+  set(ENABLE_CLANG_EXAMPLES "0")
+endif()
+add_subdirectory(examples)
+
+if( CLANG_INCLUDE_TESTS )
+  if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include/gtest/gtest.h)
+    add_subdirectory(unittests)
+    list(APPEND CLANG_TEST_DEPS ClangUnitTests)
+    list(APPEND CLANG_TEST_PARAMS
+      clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg
+      )
+  endif()
+  add_subdirectory(test)
+
+  if(CLANG_BUILT_STANDALONE)
+    # Add a global check rule now that all subdirectories have been traversed
+    # and we know the total set of lit testsuites.
+    get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
+    get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
+    get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
+    get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
+    add_lit_target(check-all
+      "Running all regression tests"
+      ${LLVM_LIT_TESTSUITES}
+      PARAMS ${LLVM_LIT_PARAMS}
+      DEPENDS ${LLVM_LIT_DEPENDS}
+      ARGS ${LLVM_LIT_EXTRA_ARGS}
+      )
+  endif()
+  add_subdirectory(utils/perf-training)
+endif()
+
+option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs."
+  ${LLVM_INCLUDE_DOCS})
+if( CLANG_INCLUDE_DOCS )
+  add_subdirectory(docs)
+endif()
+
+if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
+  file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
+endif()
+
+if(CLANG_ORDER_FILE STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
+  unset(CLANG_ORDER_FILE CACHE)
+  unset(CLANG_ORDER_FILE)
+endif()
+
+set(CLANG_ORDER_FILE "" CACHE FILEPATH
+  "Order file to use when compiling clang in order to improve startup time.")
+
+if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR
+    CMAKE_VERSION VERSION_GREATER 3)
+  # Generate a list of CMake library targets so that other CMake projects can
+  # link against them. LLVM calls its version of this file LLVMExports.cmake, but
+  # the usual CMake convention seems to be ${Project}Targets.cmake.
+  set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
+  set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
+  get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
+  export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
+
+  # Install a <prefix>/lib/cmake/clang/ClangConfig.cmake file so that
+  # find_package(Clang) works. Install the target list with it.
+  install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
+
+  install(FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
+    DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
+
+  # Also copy ClangConfig.cmake to the build directory so that dependent projects
+  # can build against a build directory of Clang more easily.
+  configure_file(
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
+    ${CLANG_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake
+    COPYONLY)
+endif ()
+
+if (CLANG_ENABLE_BOOTSTRAP)
+  include(ExternalProject)
+
+  if(CMAKE_VERSION VERSION_GREATER 3.1.0)
+    set(cmake_3_1_EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL 1)
+  endif()
+
+  if(CMAKE_VERSION VERSION_GREATER 3.3.20150708)
+    set(cmake_3_4_USES_TERMINAL_OPTIONS
+      USES_TERMINAL_CONFIGURE 1
+      USES_TERMINAL_BUILD 1
+      USES_TERMINAL_INSTALL 1
+      )
+    set(cmake_3_4_USES_TERMINAL USES_TERMINAL 1)
+  endif()
+
+  if(NOT CLANG_STAGE)
+    set(CLANG_STAGE stage1)
+    message(STATUS "Setting current clang stage to: ${CLANG_STAGE}")
+  endif()
+
+  string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${CLANG_STAGE}")
+  if(MATCHED_STAGE)
+    if(NOT LLVM_BUILD_INSTRUMENTED)
+      math(EXPR STAGE_NUM "${CMAKE_MATCH_1} + 1")
+      set(NEXT_CLANG_STAGE stage${STAGE_NUM})
+    else()
+      set(NEXT_CLANG_STAGE stage${CMAKE_MATCH_1})
+    endif()
+  else()
+    set(NEXT_CLANG_STAGE bootstrap)
+  endif()
+
+  if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
+    set(NEXT_CLANG_STAGE ${NEXT_CLANG_STAGE}-instrumented)
+  endif()
+  message(STATUS "Setting next clang stage to: ${NEXT_CLANG_STAGE}")
+  
+  
+  set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-stamps/)
+  set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-bins/)
+
+  # If on Darwin we need to make bootstrap depend on LTO and pass
+  # DARWIN_LTO_LIBRARY so that -flto will work using the just-built compiler
+  if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO)
+    set(LTO_DEP LTO llvm-ar llvm-ranlib)
+    set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
+    set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
+    if(APPLE)
+      set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib)
+    elseif(NOT WIN32)
+      list(APPEND LTO_DEP LLVMgold)
+    endif()
+  endif()
+
+  add_custom_target(${NEXT_CLANG_STAGE}-clear
+    DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
+    )
+  add_custom_command(
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
+    DEPENDS clang ${LTO_DEP}
+    COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
+    COMMAND ${CMAKE_COMMAND} -E make_directory ${BINARY_DIR}
+    COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
+    COMMAND ${CMAKE_COMMAND} -E make_directory ${STAMP_DIR}
+    COMMENT "Clobberring ${NEXT_CLANG_STAGE} build and stamp directories"
+    )
+
+  if(CMAKE_VERBOSE_MAKEFILE)
+    set(verbose -DCMAKE_VERBOSE_MAKEFILE=On)
+  endif()
+
+  set(BOOTSTRAP_DEFAULT_PASSTHROUGH
+    PACKAGE_VERSION
+    LLVM_VERSION_MAJOR
+    LLVM_VERSION_MINOR
+    LLVM_VERSION_PATCH
+    LLVM_VERSION_SUFFIX
+    LLVM_BINUTILS_INCDIR
+    CLANG_REPOSITORY_STRING
+    CMAKE_MAKE_PROGRAM)
+
+  if(TARGET compiler-rt)
+    set(RUNTIME_DEP compiler-rt)
+  endif()
+
+  set(COMPILER_OPTIONS
+    -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++
+    -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
+    -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
+
+  if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
+    set(PGO_DEP llvm-profdata)
+    set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata)
+  endif()
+
+  if(LLVM_BUILD_INSTRUMENTED)
+    set(PGO_DEP generate-profdata)
+    set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata)
+    set(COMPILER_OPTIONS
+      -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+      -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+      -DCMAKE_ASM_COMPILER=${CMAKE_ASM_COMPILER})
+    set(RUNTIME_DEP) # Don't set runtime dependencies
+  endif()
+
+  # Find all variables that start with BOOTSTRAP_ and populate a variable with
+  # them.
+  get_cmake_property(variableNames VARIABLES)
+  foreach(variableName ${variableNames})
+    if(variableName MATCHES "^BOOTSTRAP_")
+      string(SUBSTRING ${variableName} 10 -1 varName)
+      string(REPLACE ";" "\;" value "${${variableName}}")
+      list(APPEND PASSTHROUGH_VARIABLES
+        -D${varName}=${value})
+    endif()
+    if(${variableName} AND variableName MATCHES "LLVM_EXTERNAL_.*_SOURCE_DIR")
+      list(APPEND PASSTHROUGH_VARIABLES
+        -D${variableName}=${${variableName}})
+    endif()
+  endforeach()
+
+  # Populate the passthrough variables
+  foreach(variableName ${CLANG_BOOTSTRAP_PASSTHROUGH} ${BOOTSTRAP_DEFAULT_PASSTHROUGH})
+    if(${variableName})
+      string(REPLACE ";" "\;" value ${${variableName}})
+      list(APPEND PASSTHROUGH_VARIABLES
+        -D${variableName}=${value})
+    endif()
+  endforeach()
+
+  ExternalProject_Add(${NEXT_CLANG_STAGE}
+    DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} ${PGO_DEP}
+    PREFIX ${NEXT_CLANG_STAGE}
+    SOURCE_DIR ${CMAKE_SOURCE_DIR}
+    STAMP_DIR ${STAMP_DIR}
+    BINARY_DIR ${BINARY_DIR}
+    ${cmake_3_1_EXCLUDE_FROM_ALL}
+    CMAKE_ARGS
+                # We shouldn't need to set this here, but INSTALL_DIR doesn't
+                # seem to work, so instead I'm passing this through
+                -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
+                ${CLANG_BOOTSTRAP_CMAKE_ARGS}
+                ${PASSTHROUGH_VARIABLES}
+                 -DCLANG_STAGE=${NEXT_CLANG_STAGE}
+                ${COMPILER_OPTIONS}
+                ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT}
+    INSTALL_COMMAND ""
+    STEP_TARGETS configure build
+    ${cmake_3_4_USES_TERMINAL_OPTIONS}
+    )
+
+  # exclude really-install from main target
+  set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_really-install_EXCLUDE_FROM_MAIN On)
+  ExternalProject_Add_Step(${NEXT_CLANG_STAGE} really-install
+    COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target install
+    COMMENT "Performing install step for '${NEXT_CLANG_STAGE}'"
+    DEPENDEES build
+    ${cmake_3_4_USES_TERMINAL}
+  )
+  ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} really-install)
+  add_custom_target(${NEXT_CLANG_STAGE}-install DEPENDS ${NEXT_CLANG_STAGE}-really-install)
+
+  if(NOT CLANG_BOOTSTRAP_TARGETS)
+    set(CLANG_BOOTSTRAP_TARGETS check-llvm check-clang check-all)
+  endif()
+  foreach(target ${CLANG_BOOTSTRAP_TARGETS})
+    # exclude from main target
+    set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_${target}_EXCLUDE_FROM_MAIN On)
+
+    ExternalProject_Add_Step(${NEXT_CLANG_STAGE} ${target}
+      COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target ${target}
+      COMMENT "Performing ${target} for '${NEXT_CLANG_STAGE}'"
+      DEPENDEES configure
+      ${cmake_3_4_USES_TERMINAL}
+    )
+
+    if(target MATCHES "^stage[0-9]*")
+      add_custom_target(${target} DEPENDS ${NEXT_CLANG_STAGE}-${target})
+    endif()
+
+    ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} ${target})
+  endforeach()
+endif()
+
+if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
+  add_subdirectory(utils/ClangVisualizers)
+endif()




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