diff --git a/llvm/cmake/modules/LLVMProcessSources.cmake b/llvm/cmake/modules/LLVMProcessSources.cmake
index ba8dca313c8..b99430c0f30 100644
--- a/src/llvm-project/llvm/cmake/modules/LLVMProcessSources.cmake
+++ b/src/llvm-project/llvm/cmake/modules/LLVMProcessSources.cmake
@@ -63,11 +63,15 @@ function(llvm_process_sources OUT_VAR)
     llvm_check_source_file_list(${sources})
   endif()
 
-  # This adds .td and .h files to the Visual Studio solution:
-  add_td_sources(sources)
-  find_all_header_files(hdrs "${ARG_ADDITIONAL_HEADER_DIRS}")
-  if (hdrs)
-    set_source_files_properties(${hdrs} PROPERTIES HEADER_FILE_ONLY ON)
+  if( LLVM_ENABLE_IDE )
+    # This adds .td and .h files to the Visual Studio solution:
+    add_td_sources(sources)
+    find_all_header_files(hdrs "${ARG_ADDITIONAL_HEADER_DIRS}")
+    if (hdrs)
+      set_source_files_properties(${hdrs} PROPERTIES HEADER_FILE_ONLY ON)
+    endif()
+    set_source_files_properties(${ARG_ADDITIONAL_HEADERS} PROPERTIES HEADER_FILE_ONLY ON)
+    list(APPEND sources ${ARG_ADDITIONAL_HEADERS} ${hdrs})
   endif()
   set_source_files_properties(${ARG_ADDITIONAL_HEADERS} PROPERTIES HEADER_FILE_ONLY ON)
   list(APPEND sources ${ARG_ADDITIONAL_HEADERS} ${hdrs})