|  | use std::path::{Path, PathBuf}; | 
|  |  | 
|  | use rustc_codegen_ssa::back::archive::{ | 
|  | ArArchiveBuilder, ArchiveBuilder, ArchiveBuilderBuilder, DEFAULT_OBJECT_READER, | 
|  | }; | 
|  | use rustc_session::Session; | 
|  |  | 
|  | use rustc_session::cstore::DllImport; | 
|  |  | 
|  | pub(crate) struct ArArchiveBuilderBuilder; | 
|  |  | 
|  | impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder { | 
|  | fn new_archive_builder<'a>(&self, sess: &'a Session) -> Box<dyn ArchiveBuilder + 'a> { | 
|  | Box::new(ArArchiveBuilder::new(sess, &DEFAULT_OBJECT_READER)) | 
|  | } | 
|  |  | 
|  | fn create_dll_import_lib( | 
|  | &self, | 
|  | _sess: &Session, | 
|  | _lib_name: &str, | 
|  | _dll_imports: &[DllImport], | 
|  | _tmpdir: &Path, | 
|  | _is_direct_dependency: bool, | 
|  | ) -> PathBuf { | 
|  | unimplemented!("creating dll imports is not yet supported"); | 
|  | } | 
|  | } |