diff --git a/libcxx/lib/CMakeLists.txt b/libcxx/lib/CMakeLists.txt
index 24489e8fb5e8..79ea8d92a359 100644
--- a/libcxx/lib/CMakeLists.txt
+++ b/libcxx/lib/CMakeLists.txt
@@ -241,7 +241,7 @@ if (LIBCXX_ENABLE_SHARED)
   if(COMMAND llvm_setup_rpath)
     llvm_setup_rpath(cxx_shared)
   endif()
-  target_link_libraries(cxx_shared ${LIBCXX_LIBRARIES})
+  target_link_libraries(cxx_shared PRIVATE ${LIBCXX_LIBRARIES})
   set_target_properties(cxx_shared
     PROPERTIES
       LINK_FLAGS    "${LIBCXX_LINK_FLAGS}"
@@ -265,7 +265,7 @@ endif()
 # Build the static library.
 if (LIBCXX_ENABLE_STATIC)
   add_library(cxx_static STATIC ${cxx_static_sources})
-  target_link_libraries(cxx_static ${LIBCXX_LIBRARIES})
+  target_link_libraries(cxx_static PRIVATE ${LIBCXX_LIBRARIES})
   set(CMAKE_STATIC_LIBRARY_PREFIX "lib")
   set_target_properties(cxx_static
     PROPERTIES
diff --git a/libcxxabi/src/CMakeLists.txt b/libcxxabi/src/CMakeLists.txt
index 246cfd88df60..66151b1250e8 100644
--- a/libcxxabi/src/CMakeLists.txt
+++ b/libcxxabi/src/CMakeLists.txt
@@ -189,7 +189,7 @@ if (LIBCXXABI_ENABLE_SHARED)
   if(COMMAND llvm_setup_rpath)
     llvm_setup_rpath(cxxabi_shared)
   endif()
-  target_link_libraries(cxxabi_shared ${LIBCXXABI_LIBRARIES} ${LIBCXXABI_SHARED_LIBRARIES})
+  target_link_libraries(cxxabi_shared PRIVATE ${LIBCXXABI_LIBRARIES} ${LIBCXXABI_SHARED_LIBRARIES})
   set_target_properties(cxxabi_shared
                         PROPERTIES
                           CXX_EXTENSIONS
@@ -226,7 +226,7 @@ if (LIBCXXABI_ENABLE_STATIC)
     endif()
   endif()
   add_library(cxxabi_static STATIC ${cxxabi_static_sources})
-  target_link_libraries(cxxabi_static ${LIBCXXABI_LIBRARIES} ${LIBCXXABI_STATIC_LIBRARIES})
+  target_link_libraries(cxxabi_static PRIVATE ${LIBCXXABI_LIBRARIES} ${LIBCXXABI_STATIC_LIBRARIES})
   set_target_properties(cxxabi_static
                         PROPERTIES
                           CXX_EXTENSIONS
diff --git a/libunwind/src/CMakeLists.txt b/libunwind/src/CMakeLists.txt
index 080e8c5ad589..2928a14dea07 100644
--- a/libunwind/src/CMakeLists.txt
+++ b/libunwind/src/CMakeLists.txt
@@ -146,7 +146,7 @@ if (LIBUNWIND_ENABLE_SHARED)
   if(COMMAND llvm_setup_rpath)
     llvm_setup_rpath(unwind_shared)
   endif()
-  target_link_libraries(unwind_shared ${libraries})
+  target_link_libraries(unwind_shared PRIVATE ${libraries})
   set_target_properties(unwind_shared
                         PROPERTIES
                           LINK_FLAGS    "${LIBUNWIND_LINK_FLAGS}"
@@ -162,7 +162,7 @@ endif()
 # Build the static library.
 if (LIBUNWIND_ENABLE_STATIC)
   add_library(unwind_static STATIC ${unwind_static_sources})
-  target_link_libraries(unwind_static ${libraries})
+  target_link_libraries(unwind_static PRIVATE ${libraries})
   set_target_properties(unwind_static
                         PROPERTIES
                           LINK_FLAGS    "${LIBUNWIND_LINK_FLAGS}"