Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -422,7 +422,7 @@
     "Major version number that will be appended to the clang executable name")
 set(LIBCLANG_LIBRARY_VERSION
     "${CLANG_VERSION_MAJOR}" CACHE STRING
-    "Major version number that will be appended to the libclang library")
+    "Major version number that will be appended to the libclang, libclang_cxx libraries")
 mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
 
 option(CLANG_INCLUDE_TESTS
Index: tools/CMakeLists.txt
===================================================================
--- tools/CMakeLists.txt
+++ tools/CMakeLists.txt
@@ -35,3 +35,4 @@
 
 # libclang may require clang-tidy in clang-tools-extra.
 add_clang_subdirectory(libclang)
+add_clang_subdirectory(libclang-cxx)
Index: tools/libclang-cxx/CMakeLists.txt
===================================================================
--- /dev/null
+++ tools/libclang-cxx/CMakeLists.txt
@@ -0,0 +1,87 @@
+set(SOURCES
+  libclang_cxx.cpp
+  )
+
+set(LIBS
+  clangBasic
+  clangCodeGen
+  clangDriver
+  clangFrontend
+  clangFrontendTool
+)
+
+if (CLANG_ENABLE_ARCMT)
+  list(APPEND LIBS clangARCMigrate)
+endif ()
+
+if (TARGET clangTidyPlugin)
+  add_definitions(-DCLANG_TOOL_EXTRA_BUILD)
+  list(APPEND LIBS clangTidyPlugin)
+  list(APPEND LIBS clangIncludeFixerPlugin)
+  if(LLVM_ENABLE_MODULES)
+    list(APPEND LLVM_COMPILE_FLAGS "-fmodules-ignore-macro=CLANG_TOOL_EXTRA_BUILD")
+  endif()
+endif ()
+
+find_library(DL_LIBRARY_PATH dl)
+if (DL_LIBRARY_PATH)
+  list(APPEND LIBS dl)
+endif()
+
+if( LLVM_ENABLE_PIC )
+  set(ENABLE_SHARED SHARED)
+endif()
+
+if(NOT LLVM_ENABLE_PIC AND NOT WIN32)
+  set(ENABLE_STATIC STATIC)
+endif()
+
+if(WIN32)
+  set(output_name "libclang_cxx")
+else()
+  set(output_name "clang_cxx")
+endif()
+
+if(("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") OR (MINGW) OR (HAIKU)
+    OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
+    OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "OpenBSD")
+    OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "Fuchsia")
+    OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "DragonFly")
+    OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")) # FIXME: It should be "GNU ld for elf"
+  set(LIBS -Wl,--whole-archive ${LIBS} -Wl,--no-whole-archive)
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+  set(LIBS -Wl,-all_load ${LIBS})
+endif()
+
+add_clang_library(libclang_cxx ${ENABLE_SHARED} ${ENABLE_STATIC}
+  OUTPUT_NAME ${output_name}
+  ${SOURCES}
+  LINK_LIBS
+  ${LIBS}
+  )
+
+if(ENABLE_SHARED)
+  if(WIN32)
+    set_target_properties(libclang_cxx
+      PROPERTIES
+      VERSION ${LIBCLANG_LIBRARY_VERSION}
+      DEFINE_SYMBOL _CINDEX_LIB_)
+  elseif(APPLE)
+      set(LIBCLANG_CXX_LINK_FLAGS " -Wl,-compatibility_version -Wl,1")
+      set(LIBCLANG_CXX_LINK_FLAGS "${LIBCLANG_CXX_LINK_FLAGS} -Wl,-current_version -Wl,${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}")
+
+    set_property(TARGET libclang_cxx APPEND_STRING PROPERTY
+        LINK_FLAGS ${LIBCLANG_CXX_LINK_FLAGS})
+  else()
+    set_target_properties(libclang_cxx
+      PROPERTIES
+      VERSION ${LIBCLANG_LIBRARY_VERSION}
+      DEFINE_SYMBOL _CINDEX_LIB_)
+    # FIXME: _CINDEX_LIB_ affects dllexport/dllimport on Win32.
+    if(LLVM_ENABLE_MODULES AND NOT WIN32)
+      target_compile_options(libclang_cxx PRIVATE
+        "-fmodules-ignore-macro=_CINDEX_LIB_"
+        )
+    endif()
+  endif()
+endif()
Index: tools/libclang-cxx/libclang_cxx.cpp
===================================================================
--- /dev/null
+++ tools/libclang-cxx/libclang_cxx.cpp
@@ -0,0 +1,8 @@
+//===- libclang_cxx.cpp - libclang_cxx Shared Library -----------------------------------===//
+//===----------------------------------------------------------------------===//
+//
+// This file is empty and serves only the purpose of making CMake happy because
+// you can't define a target with no sources.
+//
+//===----------------------------------------------------------------------===//
+