Index: clang/unittests/Basic/CMakeLists.txt
===================================================================
--- clang/unittests/Basic/CMakeLists.txt
+++ clang/unittests/Basic/CMakeLists.txt
@@ -18,5 +18,9 @@
   clangAST
   clangBasic
   clangLex
-  LLVMTestingSupport
   )
+
+target_link_libraries(BasicTests
+  PRIVATE
+  LLVMTestingSupport
+)