--- llvm/clang/lib/Headers/CMakeLists.txt.orig	2025-02-07 08:51:59 UTC
+++ llvm/clang/lib/Headers/CMakeLists.txt
@@ -497,7 +497,7 @@ add_header_target("utility-resource-headers" ${utility
 add_header_target("windows-resource-headers" ${windows_only_files})
 add_header_target("utility-resource-headers" ${utility_files})
 
-get_clang_resource_dir(header_install_dir SUBDIR include)
+get_clang_resource_dir(header_install_dir SUBDIR include PREFIX cling)
 
 #############################################################
 # Install rules for the catch-all clang-resource-headers target