Index: clang-tools-extra/change-namespace/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/change-namespace/tool/CMakeLists.txt
+++ clang-tools-extra/change-namespace/tool/CMakeLists.txt
@@ -8,6 +8,7 @@
   ClangChangeNamespace.cpp
   )
 target_link_libraries(clang-change-namespace
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/clang-apply-replacements/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/clang-apply-replacements/tool/CMakeLists.txt
+++ clang-tools-extra/clang-apply-replacements/tool/CMakeLists.txt
@@ -6,6 +6,7 @@
   ClangApplyReplacementsMain.cpp
   )
 target_link_libraries(clang-apply-replacements
+  PRIVATE
   clangApplyReplacements
   clangBasic
   clangFormat
Index: clang-tools-extra/clang-move/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/clang-move/tool/CMakeLists.txt
+++ clang-tools-extra/clang-move/tool/CMakeLists.txt
@@ -5,6 +5,7 @@
   )
 
 target_link_libraries(clang-move
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/clang-query/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/clang-query/tool/CMakeLists.txt
+++ clang-tools-extra/clang-query/tool/CMakeLists.txt
@@ -2,6 +2,7 @@
 
 add_clang_executable(clang-query ClangQuery.cpp)
 target_link_libraries(clang-query
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/clang-reorder-fields/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/clang-reorder-fields/tool/CMakeLists.txt
+++ clang-tools-extra/clang-reorder-fields/tool/CMakeLists.txt
@@ -1,6 +1,7 @@
 add_clang_tool(clang-reorder-fields ClangReorderFields.cpp)
 
 target_link_libraries(clang-reorder-fields
+  PRIVATE
   clangBasic
   clangFrontend
   clangReorderFields
Index: clang-tools-extra/clang-tidy/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/clang-tidy/tool/CMakeLists.txt
+++ clang-tools-extra/clang-tidy/tool/CMakeLists.txt
@@ -12,6 +12,7 @@
   clang-headers
   )
 target_link_libraries(clang-tidy
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/clangd/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/clangd/tool/CMakeLists.txt
+++ clang-tools-extra/clangd/tool/CMakeLists.txt
@@ -9,6 +9,7 @@
   )
 
 target_link_libraries(clangd
+  PRIVATE
   clangBasic
   clangDaemon
   clangFormat
Index: clang-tools-extra/include-fixer/find-all-symbols/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/include-fixer/find-all-symbols/tool/CMakeLists.txt
+++ clang-tools-extra/include-fixer/find-all-symbols/tool/CMakeLists.txt
@@ -5,6 +5,7 @@
   )
 
 target_link_libraries(find-all-symbols
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/include-fixer/tool/CMakeLists.txt
===================================================================
--- clang-tools-extra/include-fixer/tool/CMakeLists.txt
+++ clang-tools-extra/include-fixer/tool/CMakeLists.txt
@@ -5,6 +5,7 @@
   )
 
 target_link_libraries(clang-include-fixer
+  PRIVATE
   clangBasic
   clangFormat
   clangFrontend
Index: clang-tools-extra/modularize/CMakeLists.txt
===================================================================
--- clang-tools-extra/modularize/CMakeLists.txt
+++ clang-tools-extra/modularize/CMakeLists.txt
@@ -12,6 +12,7 @@
   )
 
 target_link_libraries(modularize
+  PRIVATE
   clangAST
   clangBasic
   clangDriver
Index: clang-tools-extra/pp-trace/CMakeLists.txt
===================================================================
--- clang-tools-extra/pp-trace/CMakeLists.txt
+++ clang-tools-extra/pp-trace/CMakeLists.txt
@@ -8,6 +8,7 @@
   )
 
 target_link_libraries(pp-trace
+  PRIVATE
   clangAST
   clangBasic
   clangFrontend
Index: clang-tools-extra/tool-template/CMakeLists.txt
===================================================================
--- clang-tools-extra/tool-template/CMakeLists.txt
+++ clang-tools-extra/tool-template/CMakeLists.txt
@@ -7,6 +7,7 @@
   )
 
 target_link_libraries(tool-template
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/unittests/change-namespace/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/change-namespace/CMakeLists.txt
+++ clang-tools-extra/unittests/change-namespace/CMakeLists.txt
@@ -16,6 +16,7 @@
   )
 
 target_link_libraries(ChangeNamespaceTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/unittests/clang-apply-replacements/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/clang-apply-replacements/CMakeLists.txt
+++ clang-tools-extra/unittests/clang-apply-replacements/CMakeLists.txt
@@ -13,6 +13,7 @@
   )
 
 target_link_libraries(ClangApplyReplacementsTests
+  PRIVATE
   clangApplyReplacements
   clangBasic
   clangToolingCore
Index: clang-tools-extra/unittests/clang-move/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/clang-move/CMakeLists.txt
+++ clang-tools-extra/unittests/clang-move/CMakeLists.txt
@@ -16,6 +16,7 @@
   )
 
 target_link_libraries(ClangMoveTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/unittests/clang-query/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/clang-query/CMakeLists.txt
+++ clang-tools-extra/unittests/clang-query/CMakeLists.txt
@@ -12,6 +12,7 @@
   )
 
 target_link_libraries(ClangQueryTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/unittests/clang-tidy/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/clang-tidy/CMakeLists.txt
+++ clang-tools-extra/unittests/clang-tidy/CMakeLists.txt
@@ -19,6 +19,7 @@
   ReadabilityModuleTest.cpp)
 
 target_link_libraries(ClangTidyTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang-tools-extra/unittests/clangd/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/clangd/CMakeLists.txt
+++ clang-tools-extra/unittests/clangd/CMakeLists.txt
@@ -16,6 +16,7 @@
   )
 
 target_link_libraries(ClangdTests
+  PRIVATE
   clangBasic
   clangDaemon
   clangFormat
Index: clang-tools-extra/unittests/include-fixer/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/include-fixer/CMakeLists.txt
+++ clang-tools-extra/unittests/include-fixer/CMakeLists.txt
@@ -17,6 +17,7 @@
   )
 
 target_link_libraries(IncludeFixerTests
+  PRIVATE
   clangBasic
   clangFormat
   clangFrontend
Index: clang-tools-extra/unittests/include-fixer/find-all-symbols/CMakeLists.txt
===================================================================
--- clang-tools-extra/unittests/include-fixer/find-all-symbols/CMakeLists.txt
+++ clang-tools-extra/unittests/include-fixer/find-all-symbols/CMakeLists.txt
@@ -13,6 +13,7 @@
   )
 
 target_link_libraries(FindAllSymbolsTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang/examples/clang-interpreter/CMakeLists.txt
===================================================================
--- clang/examples/clang-interpreter/CMakeLists.txt
+++ clang/examples/clang-interpreter/CMakeLists.txt
@@ -17,6 +17,7 @@
   )
 
 target_link_libraries(clang-interpreter
+  PRIVATE
   clangBasic
   clangCodeGen
   clangDriver
Index: clang/tools/arcmt-test/CMakeLists.txt
===================================================================
--- clang/tools/arcmt-test/CMakeLists.txt
+++ clang/tools/arcmt-test/CMakeLists.txt
@@ -7,6 +7,7 @@
   )
 
 target_link_libraries(arcmt-test
+  PRIVATE
   clangARCMigrate
   clangBasic
   clangFrontend
Index: clang/tools/c-arcmt-test/CMakeLists.txt
===================================================================
--- clang/tools/c-arcmt-test/CMakeLists.txt
+++ clang/tools/c-arcmt-test/CMakeLists.txt
@@ -4,10 +4,12 @@
 
 if (LLVM_BUILD_STATIC)
   target_link_libraries(c-arcmt-test
+    PRIVATE
     libclang_static
     )
 else()
   target_link_libraries(c-arcmt-test
+    PRIVATE
     libclang
     )
 endif()
Index: clang/tools/c-index-test/CMakeLists.txt
===================================================================
--- clang/tools/c-index-test/CMakeLists.txt
+++ clang/tools/c-index-test/CMakeLists.txt
@@ -22,6 +22,7 @@
   )
 else()
   target_link_libraries(c-index-test
+    PRIVATE
     libclang
     clangAST
     clangBasic
@@ -39,7 +40,7 @@
 # If libxml2 is available, make it available for c-index-test.
 if (CLANG_HAVE_LIBXML)
   include_directories(SYSTEM ${LIBXML2_INCLUDE_DIR})
-  target_link_libraries(c-index-test ${LIBXML2_LIBRARIES})
+  target_link_libraries(c-index-test PRIVATE ${LIBXML2_LIBRARIES})
 endif()
 
 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
Index: clang/tools/clang-check/CMakeLists.txt
===================================================================
--- clang/tools/clang-check/CMakeLists.txt
+++ clang/tools/clang-check/CMakeLists.txt
@@ -9,6 +9,7 @@
   )
 
 target_link_libraries(clang-check
+  PRIVATE
   clangAST
   clangBasic
   clangDriver
Index: clang/tools/clang-diff/CMakeLists.txt
===================================================================
--- clang/tools/clang-diff/CMakeLists.txt
+++ clang/tools/clang-diff/CMakeLists.txt
@@ -7,6 +7,7 @@
   )
 
 target_link_libraries(clang-diff
+  PRIVATE
   clangBasic
   clangFrontend
   clangTooling
Index: clang/tools/clang-format/CMakeLists.txt
===================================================================
--- clang/tools/clang-format/CMakeLists.txt
+++ clang/tools/clang-format/CMakeLists.txt
@@ -12,6 +12,7 @@
   )
 
 target_link_libraries(clang-format
+  PRIVATE
   ${CLANG_FORMAT_LIB_DEPS}
   )
 
Index: clang/tools/clang-func-mapping/CMakeLists.txt
===================================================================
--- clang/tools/clang-func-mapping/CMakeLists.txt
+++ clang/tools/clang-func-mapping/CMakeLists.txt
@@ -10,6 +10,7 @@
   )
 
 target_link_libraries(clang-func-mapping
+  PRIVATE
   clangAST
   clangBasic
   clangCrossTU
Index: clang/tools/clang-fuzzer/CMakeLists.txt
===================================================================
--- clang/tools/clang-fuzzer/CMakeLists.txt
+++ clang/tools/clang-fuzzer/CMakeLists.txt
@@ -66,6 +66,7 @@
   )
 
 target_link_libraries(clang-fuzzer
+  PRIVATE
   ${LLVM_LIB_FUZZING_ENGINE}
   clangHandleCXX
   )
Index: clang/tools/clang-import-test/CMakeLists.txt
===================================================================
--- clang/tools/clang-import-test/CMakeLists.txt
+++ clang/tools/clang-import-test/CMakeLists.txt
@@ -24,5 +24,6 @@
   )
 
 target_link_libraries(clang-import-test
+  PRIVATE
   ${CLANG_IMPORT_TEST_LIB_DEPS}
   )
Index: clang/tools/clang-offload-bundler/CMakeLists.txt
===================================================================
--- clang/tools/clang-offload-bundler/CMakeLists.txt
+++ clang/tools/clang-offload-bundler/CMakeLists.txt
@@ -18,6 +18,7 @@
 add_dependencies(clang clang-offload-bundler)
 
 target_link_libraries(clang-offload-bundler
+  PRIVATE
   ${CLANG_OFFLOAD_BUNDLER_LIB_DEPS}
   )
 
Index: clang/tools/clang-refactor/CMakeLists.txt
===================================================================
--- clang/tools/clang-refactor/CMakeLists.txt
+++ clang/tools/clang-refactor/CMakeLists.txt
@@ -9,6 +9,7 @@
   )
 
 target_link_libraries(clang-refactor
+  PRIVATE
   clangAST
   clangBasic
   clangFormat
Index: clang/tools/clang-rename/CMakeLists.txt
===================================================================
--- clang/tools/clang-rename/CMakeLists.txt
+++ clang/tools/clang-rename/CMakeLists.txt
@@ -6,6 +6,7 @@
 add_clang_tool(clang-rename ClangRename.cpp)
 
 target_link_libraries(clang-rename
+  PRIVATE
   clangBasic
   clangFrontend
   clangRewrite
Index: clang/tools/diagtool/CMakeLists.txt
===================================================================
--- clang/tools/diagtool/CMakeLists.txt
+++ clang/tools/diagtool/CMakeLists.txt
@@ -13,6 +13,7 @@
 )
 
 target_link_libraries(diagtool
+  PRIVATE
   clangBasic
   clangFrontend
   )
Index: clang/tools/driver/CMakeLists.txt
===================================================================
--- clang/tools/driver/CMakeLists.txt
+++ clang/tools/driver/CMakeLists.txt
@@ -38,6 +38,7 @@
   )
 
 target_link_libraries(clang
+  PRIVATE
   clangBasic
   clangCodeGen
   clangDriver
@@ -85,6 +86,7 @@
 
   set(TOOL_INFO_PLIST_OUT "${CMAKE_CURRENT_BINARY_DIR}/${TOOL_INFO_PLIST}")
   target_link_libraries(clang
+    PRIVATE
     "-Wl,-sectcreate,__TEXT,__info_plist,${TOOL_INFO_PLIST_OUT}")
   configure_file("${TOOL_INFO_PLIST}.in" "${TOOL_INFO_PLIST_OUT}" @ONLY)
 
@@ -127,5 +129,5 @@
 endif()
 
 if(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
-  target_link_libraries(clang Polly)
+  target_link_libraries(clang PRIVATE Polly)
 endif(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
Index: clang/unittests/AST/CMakeLists.txt
===================================================================
--- clang/unittests/AST/CMakeLists.txt
+++ clang/unittests/AST/CMakeLists.txt
@@ -21,6 +21,7 @@
   )
 
 target_link_libraries(ASTTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang/unittests/ASTMatchers/CMakeLists.txt
===================================================================
--- clang/unittests/ASTMatchers/CMakeLists.txt
+++ clang/unittests/ASTMatchers/CMakeLists.txt
@@ -18,6 +18,7 @@
   ASTMatchersTraversalTest.cpp)
 
 target_link_libraries(ASTMatchersTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang/unittests/ASTMatchers/Dynamic/CMakeLists.txt
===================================================================
--- clang/unittests/ASTMatchers/Dynamic/CMakeLists.txt
+++ clang/unittests/ASTMatchers/Dynamic/CMakeLists.txt
@@ -8,6 +8,7 @@
   RegistryTest.cpp)
 
 target_link_libraries(DynamicASTMatchersTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang/unittests/Analysis/CMakeLists.txt
===================================================================
--- clang/unittests/Analysis/CMakeLists.txt
+++ clang/unittests/Analysis/CMakeLists.txt
@@ -8,6 +8,7 @@
   )
 
 target_link_libraries(ClangAnalysisTests
+  PRIVATE
   clangAnalysis
   clangAST
   clangASTMatchers
Index: clang/unittests/Basic/CMakeLists.txt
===================================================================
--- clang/unittests/Basic/CMakeLists.txt
+++ clang/unittests/Basic/CMakeLists.txt
@@ -12,6 +12,7 @@
   )
 
 target_link_libraries(BasicTests
+  PRIVATE
   clangBasic
   clangLex
   )
Index: clang/unittests/CodeGen/CMakeLists.txt
===================================================================
--- clang/unittests/CodeGen/CMakeLists.txt
+++ clang/unittests/CodeGen/CMakeLists.txt
@@ -10,6 +10,7 @@
   )
 
 target_link_libraries(ClangCodeGenTests
+  PRIVATE
   clangAST
   clangBasic
   clangCodeGen
Index: clang/unittests/CrossTU/CMakeLists.txt
===================================================================
--- clang/unittests/CrossTU/CMakeLists.txt
+++ clang/unittests/CrossTU/CMakeLists.txt
@@ -8,6 +8,7 @@
   )
 
 target_link_libraries(CrossTUTests
+  PRIVATE
   clangAST
   clangBasic
   clangCrossTU
Index: clang/unittests/Driver/CMakeLists.txt
===================================================================
--- clang/unittests/Driver/CMakeLists.txt
+++ clang/unittests/Driver/CMakeLists.txt
@@ -11,6 +11,7 @@
   )
 
 target_link_libraries(ClangDriverTests
+  PRIVATE
   clangDriver
   clangBasic
   )
Index: clang/unittests/Format/CMakeLists.txt
===================================================================
--- clang/unittests/Format/CMakeLists.txt
+++ clang/unittests/Format/CMakeLists.txt
@@ -20,6 +20,7 @@
   )
 
 target_link_libraries(FormatTests
+  PRIVATE
   clangBasic
   clangFormat
   clangFrontend
Index: clang/unittests/Frontend/CMakeLists.txt
===================================================================
--- clang/unittests/Frontend/CMakeLists.txt
+++ clang/unittests/Frontend/CMakeLists.txt
@@ -11,6 +11,7 @@
   PCHPreambleTest.cpp
   )
 target_link_libraries(FrontendTests
+  PRIVATE
   clangAST
   clangBasic
   clangFrontend
Index: clang/unittests/Lex/CMakeLists.txt
===================================================================
--- clang/unittests/Lex/CMakeLists.txt
+++ clang/unittests/Lex/CMakeLists.txt
@@ -10,6 +10,7 @@
   )
 
 target_link_libraries(LexTests
+  PRIVATE
   clangAST
   clangBasic
   clangLex
Index: clang/unittests/Rename/CMakeLists.txt
===================================================================
--- clang/unittests/Rename/CMakeLists.txt
+++ clang/unittests/Rename/CMakeLists.txt
@@ -14,6 +14,7 @@
   )
 
 target_link_libraries(ClangRenameTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang/unittests/Rewrite/CMakeLists.txt
===================================================================
--- clang/unittests/Rewrite/CMakeLists.txt
+++ clang/unittests/Rewrite/CMakeLists.txt
@@ -6,5 +6,6 @@
   RewriteBufferTest.cpp
   )
 target_link_libraries(RewriteTests
+  PRIVATE
   clangRewrite
   )
Index: clang/unittests/Sema/CMakeLists.txt
===================================================================
--- clang/unittests/Sema/CMakeLists.txt
+++ clang/unittests/Sema/CMakeLists.txt
@@ -7,6 +7,7 @@
   )
 
 target_link_libraries(SemaTests
+  PRIVATE
   clangAST
   clangBasic
   clangFrontend
Index: clang/unittests/StaticAnalyzer/CMakeLists.txt
===================================================================
--- clang/unittests/StaticAnalyzer/CMakeLists.txt
+++ clang/unittests/StaticAnalyzer/CMakeLists.txt
@@ -7,6 +7,7 @@
   )
 
 target_link_libraries(StaticAnalysisTests
+  PRIVATE
   clangBasic
   clangAnalysis
   clangStaticAnalyzerCore 
Index: clang/unittests/Tooling/CMakeLists.txt
===================================================================
--- clang/unittests/Tooling/CMakeLists.txt
+++ clang/unittests/Tooling/CMakeLists.txt
@@ -35,6 +35,7 @@
   )
 
 target_link_libraries(ToolingTests
+  PRIVATE
   clangAST
   clangASTMatchers
   clangBasic
Index: clang/unittests/libclang/CMakeLists.txt
===================================================================
--- clang/unittests/libclang/CMakeLists.txt
+++ clang/unittests/libclang/CMakeLists.txt
@@ -3,5 +3,6 @@
   )
 
 target_link_libraries(libclangTests
+  PRIVATE
   libclang
   )
Index: lld/tools/lld/CMakeLists.txt
===================================================================
--- lld/tools/lld/CMakeLists.txt
+++ lld/tools/lld/CMakeLists.txt
@@ -7,6 +7,7 @@
   )
 
 target_link_libraries(lld
+  PRIVATE
   lldCOFF
   lldDriver
   lldELF
Index: lld/unittests/DriverTests/CMakeLists.txt
===================================================================
--- lld/unittests/DriverTests/CMakeLists.txt
+++ lld/unittests/DriverTests/CMakeLists.txt
@@ -3,6 +3,7 @@
   )
 
 target_link_libraries(DriverTests
+  PRIVATE
   lldDriver
   lldMachO
   )
Index: lld/unittests/MachOTests/CMakeLists.txt
===================================================================
--- lld/unittests/MachOTests/CMakeLists.txt
+++ lld/unittests/MachOTests/CMakeLists.txt
@@ -7,6 +7,7 @@
   )
 
 target_link_libraries(lldMachOTests
+  PRIVATE
   lldDriver
   lldMachO
   lldYAML
Index: lldb/cmake/modules/AddLLDB.cmake
===================================================================
--- lldb/cmake/modules/AddLLDB.cmake
+++ lldb/cmake/modules/AddLLDB.cmake
@@ -92,7 +92,7 @@
   list(APPEND LLVM_LINK_COMPONENTS ${ARG_LINK_COMPONENTS})
   add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS})
 
-  target_link_libraries(${name} ${ARG_LINK_LIBS})
+  target_link_libraries(${name} PRIVATE ${ARG_LINK_LIBS})
   set_target_properties(${name} PROPERTIES
     FOLDER "lldb executables")
 
Index: lldb/unittests/CMakeLists.txt
===================================================================
--- lldb/unittests/CMakeLists.txt
+++ lldb/unittests/CMakeLists.txt
@@ -44,7 +44,7 @@
     POST_BUILD
     COMMAND "${CMAKE_COMMAND}" -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/Inputs)
 
-  target_link_libraries(${test_name} ${ARG_LINK_LIBS})
+  target_link_libraries(${test_name} PRIVATE ${ARG_LINK_LIBS})
 endfunction()
 
 function(add_unittest_inputs test_name inputs)
Index: lldb/unittests/Interpreter/CMakeLists.txt
===================================================================
--- lldb/unittests/Interpreter/CMakeLists.txt
+++ lldb/unittests/Interpreter/CMakeLists.txt
@@ -8,5 +8,6 @@
   )
 
 target_link_libraries(InterpreterTests
+  PRIVATE
   ${PYTHON_LIBRARY}
   )
Index: llvm/cmake/modules/AddLLVM.cmake
===================================================================
--- llvm/cmake/modules/AddLLVM.cmake
+++ llvm/cmake/modules/AddLLVM.cmake
@@ -768,7 +768,7 @@
     # libpthreads overrides some standard library symbols, so main
     # executable must be linked with it in order to provide consistent
     # API for all shared libaries loaded by this executable.
-    target_link_libraries(${name} ${LLVM_PTHREAD_LIB})
+    target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB})
   endif()
 endmacro(add_llvm_executable name)
 
@@ -1093,7 +1093,7 @@
   # libpthreads overrides some standard library symbols, so main
   # executable must be linked with it in order to provide consistent
   # API for all shared libaries loaded by this executable.
-  target_link_libraries(${test_name} gtest_main gtest ${LLVM_PTHREAD_LIB})
+  target_link_libraries(${test_name} PRIVATE gtest_main gtest ${LLVM_PTHREAD_LIB})
 
   add_dependencies(${test_suite} ${test_name})
   get_target_property(test_suite_folder ${test_suite} FOLDER)
Index: llvm/cmake/modules/LLVM-Config.cmake
===================================================================
--- llvm/cmake/modules/LLVM-Config.cmake
+++ llvm/cmake/modules/LLVM-Config.cmake
@@ -87,7 +87,7 @@
       endif()
     endif()
 
-    target_link_libraries(${executable} LLVM)
+    target_link_libraries(${executable} PRIVATE LLVM)
   endif()
 
   explicit_llvm_config(${executable} ${link_components})
@@ -101,7 +101,7 @@
   get_target_property(t ${executable} TYPE)
   if(t STREQUAL "STATIC_LIBRARY")
     target_link_libraries(${executable} INTERFACE ${LIBRARIES})
-  elseif(t STREQUAL "SHARED_LIBRARY" OR t STREQUAL "MODULE_LIBRARY")
+  elseif(t STREQUAL "EXECUTABLE" OR t STREQUAL "SHARED_LIBRARY" OR t STREQUAL "MODULE_LIBRARY")
     target_link_libraries(${executable} PRIVATE ${LIBRARIES})
   else()
     # Use plain form for legacy user.
Index: llvm/examples/ParallelJIT/CMakeLists.txt
===================================================================
--- llvm/examples/ParallelJIT/CMakeLists.txt
+++ llvm/examples/ParallelJIT/CMakeLists.txt
@@ -11,4 +11,4 @@
   ParallelJIT.cpp
   )
 
-target_link_libraries(ParallelJIT ${LLVM_PTHREAD_LIB})
+target_link_libraries(ParallelJIT PRIVATE ${LLVM_PTHREAD_LIB})
Index: llvm/tools/bugpoint/CMakeLists.txt
===================================================================
--- llvm/tools/bugpoint/CMakeLists.txt
+++ llvm/tools/bugpoint/CMakeLists.txt
@@ -37,7 +37,7 @@
 export_executable_symbols(bugpoint)
 
 if(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
-  target_link_libraries(bugpoint Polly)
+  target_link_libraries(bugpoint PRIVATE Polly)
   # Ensure LLVMTarget can resolve dependences in Polly.
-  target_link_libraries(bugpoint LLVMTarget)
+  target_link_libraries(bugpoint PRIVATE LLVMTarget)
 endif(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
Index: llvm/tools/dsymutil/CMakeLists.txt
===================================================================
--- llvm/tools/dsymutil/CMakeLists.txt
+++ llvm/tools/dsymutil/CMakeLists.txt
@@ -22,5 +22,5 @@
   )
 
 IF(APPLE)
-  target_link_libraries(llvm-dsymutil "-framework CoreFoundation")
+  target_link_libraries(llvm-dsymutil PRIVATE "-framework CoreFoundation")
 ENDIF(APPLE)
Index: llvm/tools/llvm-cfi-verify/CMakeLists.txt
===================================================================
--- llvm/tools/llvm-cfi-verify/CMakeLists.txt
+++ llvm/tools/llvm-cfi-verify/CMakeLists.txt
@@ -15,4 +15,4 @@
   llvm-cfi-verify.cpp)
 
 add_subdirectory(lib)
-target_link_libraries(llvm-cfi-verify LLVMCFIVerify)
+target_link_libraries(llvm-cfi-verify PRIVATE LLVMCFIVerify)
Index: llvm/tools/llvm-objdump/CMakeLists.txt
===================================================================
--- llvm/tools/llvm-objdump/CMakeLists.txt
+++ llvm/tools/llvm-objdump/CMakeLists.txt
@@ -23,7 +23,7 @@
   )
 
 if(HAVE_LIBXAR)
-  target_link_libraries(llvm-objdump ${XAR_LIB})
+  target_link_libraries(llvm-objdump PRIVATE ${XAR_LIB})
 endif()
 
 if(LLVM_INSTALL_BINUTILS_SYMLINKS)
Index: llvm/tools/opt/CMakeLists.txt
===================================================================
--- llvm/tools/opt/CMakeLists.txt
+++ llvm/tools/opt/CMakeLists.txt
@@ -37,5 +37,5 @@
 export_executable_symbols(opt)
 
 if(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
-  target_link_libraries(opt Polly)
+  target_link_libraries(opt PRIVATE Polly)
 endif(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
Index: llvm/unittests/DebugInfo/CodeView/CMakeLists.txt
===================================================================
--- llvm/unittests/DebugInfo/CodeView/CMakeLists.txt
+++ llvm/unittests/DebugInfo/CodeView/CMakeLists.txt
@@ -11,4 +11,4 @@
   ${DebugInfoCodeViewSources}
   )
 
-target_link_libraries(DebugInfoCodeViewTests LLVMTestingSupport)
\ No newline at end of file
+target_link_libraries(DebugInfoCodeViewTests PRIVATE LLVMTestingSupport)
Index: llvm/unittests/DebugInfo/DWARF/CMakeLists.txt
===================================================================
--- llvm/unittests/DebugInfo/DWARF/CMakeLists.txt
+++ llvm/unittests/DebugInfo/DWARF/CMakeLists.txt
@@ -18,4 +18,4 @@
   ${DebugInfoSources}
   )
 
-target_link_libraries(DebugInfoDWARFTests LLVMTestingSupport)
+target_link_libraries(DebugInfoDWARFTests PRIVATE LLVMTestingSupport)
Index: llvm/unittests/DebugInfo/MSF/CMakeLists.txt
===================================================================
--- llvm/unittests/DebugInfo/MSF/CMakeLists.txt
+++ llvm/unittests/DebugInfo/MSF/CMakeLists.txt
@@ -12,4 +12,4 @@
   ${DebugInfoMSFSources}
   )
 
-target_link_libraries(DebugInfoMSFTests LLVMTestingSupport)
+target_link_libraries(DebugInfoMSFTests PRIVATE LLVMTestingSupport)
Index: llvm/unittests/DebugInfo/PDB/CMakeLists.txt
===================================================================
--- llvm/unittests/DebugInfo/PDB/CMakeLists.txt
+++ llvm/unittests/DebugInfo/PDB/CMakeLists.txt
@@ -14,4 +14,4 @@
   ${DebugInfoPDBSources}
   )
 
-target_link_libraries(DebugInfoPDBTests LLVMTestingSupport)
+target_link_libraries(DebugInfoPDBTests PRIVATE LLVMTestingSupport)
Index: llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt
===================================================================
--- llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt
+++ llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt
@@ -23,4 +23,4 @@
   RTDyldObjectLinkingLayerTest.cpp
   )
 
-target_link_libraries(OrcJITTests ${LLVM_PTHREAD_LIB})
+target_link_libraries(OrcJITTests PRIVATE ${LLVM_PTHREAD_LIB})
Index: llvm/unittests/ProfileData/CMakeLists.txt
===================================================================
--- llvm/unittests/ProfileData/CMakeLists.txt
+++ llvm/unittests/ProfileData/CMakeLists.txt
@@ -11,4 +11,4 @@
   SampleProfTest.cpp
   )
 
-target_link_libraries(ProfileDataTests LLVMTestingSupport)
+target_link_libraries(ProfileDataTests PRIVATE LLVMTestingSupport)
Index: llvm/unittests/Support/CMakeLists.txt
===================================================================
--- llvm/unittests/Support/CMakeLists.txt
+++ llvm/unittests/Support/CMakeLists.txt
@@ -74,6 +74,6 @@
 set_source_files_properties(AlignOfTest.cpp PROPERTIES COMPILE_FLAGS -w)
 
 # ManagedStatic.cpp uses <pthread>.
-target_link_libraries(SupportTests LLVMTestingSupport ${LLVM_PTHREAD_LIB})
+target_link_libraries(SupportTests PRIVATE LLVMTestingSupport ${LLVM_PTHREAD_LIB})
 
 add_subdirectory(DynamicLibrary)
Index: llvm/unittests/Support/DynamicLibrary/CMakeLists.txt
===================================================================
--- llvm/unittests/Support/DynamicLibrary/CMakeLists.txt
+++ llvm/unittests/Support/DynamicLibrary/CMakeLists.txt
@@ -4,7 +4,7 @@
 set_target_properties(DynamicLibraryLib PROPERTIES FOLDER "Tests")
 
 add_llvm_unittest(DynamicLibraryTests DynamicLibraryTest.cpp)
-target_link_libraries(DynamicLibraryTests DynamicLibraryLib)
+target_link_libraries(DynamicLibraryTests PRIVATE DynamicLibraryLib)
 export_executable_symbols(DynamicLibraryTests)
 
 function(dynlib_add_module NAME)
Index: llvm/unittests/tools/llvm-cfi-verify/CMakeLists.txt
===================================================================
--- llvm/unittests/tools/llvm-cfi-verify/CMakeLists.txt
+++ llvm/unittests/tools/llvm-cfi-verify/CMakeLists.txt
@@ -14,4 +14,4 @@
 add_llvm_unittest(CFIVerifyTests
   FileAnalysis.cpp
   GraphBuilder.cpp)
-target_link_libraries(CFIVerifyTests LLVMCFIVerify)
+target_link_libraries(CFIVerifyTests PRIVATE LLVMCFIVerify)
Index: llvm/utils/FileCheck/CMakeLists.txt
===================================================================
--- llvm/utils/FileCheck/CMakeLists.txt
+++ llvm/utils/FileCheck/CMakeLists.txt
@@ -2,4 +2,4 @@
   FileCheck.cpp
   )
 
-target_link_libraries(FileCheck LLVMSupport)
+target_link_libraries(FileCheck PRIVATE LLVMSupport)
Index: llvm/utils/not/CMakeLists.txt
===================================================================
--- llvm/utils/not/CMakeLists.txt
+++ llvm/utils/not/CMakeLists.txt
@@ -2,4 +2,4 @@
   not.cpp
   )
 
-target_link_libraries(not LLVMSupport)
+target_link_libraries(not PRIVATE LLVMSupport)
Index: llvm/utils/yaml-bench/CMakeLists.txt
===================================================================
--- llvm/utils/yaml-bench/CMakeLists.txt
+++ llvm/utils/yaml-bench/CMakeLists.txt
@@ -2,4 +2,4 @@
   YAMLBench.cpp
   )
 
-target_link_libraries(yaml-bench LLVMSupport)
+target_link_libraries(yaml-bench PRIVATE LLVMSupport)
Index: polly/unittests/CMakeLists.txt
===================================================================
--- polly/unittests/CMakeLists.txt
+++ polly/unittests/CMakeLists.txt
@@ -11,12 +11,12 @@
     add_executable(${test_name} EXCLUDE_FROM_ALL ${ARGN})
     set_target_properties(${test_name} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
-    target_link_libraries(${test_name} gtest_main gtest)
+    target_link_libraries(${test_name} PRIVATE gtest_main gtest)
     add_dependencies(PollyUnitTests ${test_name})
 
     set_property(TARGET ${test_name} PROPERTY FOLDER "Polly")
   endif()
-  target_link_libraries(${test_name} Polly)
+  target_link_libraries(${test_name} PRIVATE Polly)
 endfunction()
 
 add_subdirectory(Isl)