--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang-tools-extra/clangd/support/CMakeLists.txt	Mon May 25 11:55:54 2020 +0900
@@ -0,0 +1,32 @@
+# clangd/support contains low-level support libraries that do not depend
+# on clang either programmatically or conceptually.
+
+set(LLVM_LINK_COMPONENTS
+  Support
+  )
+
+if(CLANG_BUILT_STANDALONE)
+  # needed to get HAVE_CXX_ATOMICS64_WITHOUT_LIB defined
+  include(CheckAtomic)
+endif()
+
+set(CLANGD_ATOMIC_LIB "")
+if(NOT HAVE_CXX_ATOMICS_WITHOUT_LIB OR NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
+  list(APPEND CLANGD_ATOMIC_LIB "atomic")
+endif()
+
+include_directories(..)
+add_clang_library(clangdSupport
+  Cancellation.cpp
+  Context.cpp
+  FSProvider.cpp
+  Logger.cpp
+  Markup.cpp
+  Shutdown.cpp
+  Threading.cpp
+  Trace.cpp
+
+  LINK_LIBS
+  ${LLVM_PTHREAD_LIB}
+  ${CLANGD_ATOMIC_LIB}
+  )