diff --git a/clang/lib/Headers/CMakeLists.txt b/clang/lib/Headers/CMakeLists.txt
--- a/clang/lib/Headers/CMakeLists.txt
+++ b/clang/lib/Headers/CMakeLists.txt
@@ -128,6 +128,7 @@
 
 set(output_dir ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}/include)
 set(out_files)
+set(install_files)
 
 function(copy_header_to_output_dir src_dir file)
   set(src ${src_dir}/${file})
@@ -138,6 +139,8 @@
     COMMENT "Copying clang's ${file}...")
   list(APPEND out_files ${dst})
   set(out_files ${out_files} PARENT_SCOPE)
+  list(APPEND install_files ${src})
+  set(install_files ${install_files} PARENT_SCOPE)
 endfunction(copy_header_to_output_dir)
 
 function(clang_generate_header td_option td_file out_file)
@@ -147,6 +150,7 @@
 
   copy_header_to_output_dir(${CMAKE_CURRENT_BINARY_DIR} ${out_file})
   set(out_files ${out_files} PARENT_SCOPE)
+  set(install_files ${install_files} PARENT_SCOPE)
 endfunction(clang_generate_header)
 
 
@@ -169,7 +173,7 @@
 set(header_install_dir lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
 
 install(
-  DIRECTORY ${output_dir}
+  FILES ${install_files}
   DESTINATION ${header_install_dir}
   COMPONENT clang-resource-headers)