Move temp file name generation out of the create_dll_import_lib method

compiler/rustc_codegen_cranelift/src/archive.rs

@@ -1,4 +1,4 @@
-use std::path::{Path, PathBuf};
+use std::path::Path;
 
 use rustc_codegen_ssa::back::archive::{
     ArArchiveBuilder, ArchiveBuilder, ArchiveBuilderBuilder, DEFAULT_OBJECT_READER,
@@ -17,9 +17,8 @@ impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder {
         sess: &Session,
         _lib_name: &str,
         _dll_imports: &[rustc_session::cstore::DllImport],
-        _tmpdir: &Path,
+        _output_path: &Path,
-        _is_direct_dependency: bool,
+    ) {
-    ) -> PathBuf {
         sess.dcx().fatal("raw-dylib is not yet supported by rustc_codegen_cranelift");
     }
 }

compiler/rustc_codegen_gcc/src/archive.rs

@@ -1,4 +1,4 @@
-use std::path::{Path, PathBuf};
+use std::path::Path;
 
 use rustc_codegen_ssa::back::archive::{
     ArArchiveBuilder, ArchiveBuilder, ArchiveBuilderBuilder, DEFAULT_OBJECT_READER,
@@ -18,9 +18,8 @@ impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder {
         _sess: &Session,
         _lib_name: &str,
         _dll_imports: &[DllImport],
-        _tmpdir: &Path,
+        _output_path: &Path,
-        _is_direct_dependency: bool,
+    ) {
-    ) -> PathBuf {
         unimplemented!("creating dll imports is not yet supported");
     }
 }

compiler/rustc_codegen_llvm/src/back/archive.rs

@@ -120,12 +120,8 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder {
         sess: &Session,
         lib_name: &str,
         dll_imports: &[DllImport],
-        tmpdir: &Path,
+        output_path: &Path,
-        is_direct_dependency: bool,
+    ) {
-    ) -> PathBuf {
-        let name_suffix = if is_direct_dependency { "_imports" } else { "_imports_indirect" };
-        let output_path = tmpdir.join(format!("{lib_name}{name_suffix}.lib"));
-
         let target = &sess.target;
         let mingw_gnu_toolchain = common::is_mingw_gnu_toolchain(target);
 
@@ -149,7 +145,7 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder {
             // that loaded but crashed with an AV upon calling one of the imported
             // functions. Therefore, use binutils to create the import library instead,
             // by writing a .DEF file to the temp dir and calling binutils's dlltool.
-            let def_file_path = tmpdir.join(format!("{lib_name}{name_suffix}.def"));
+            let def_file_path = output_path.with_extension("def");
 
             let def_file_content = format!(
                 "EXPORTS\n{}",
@@ -279,9 +275,7 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder {
                     error: llvm::last_error().unwrap_or("unknown LLVM error".to_string()),
                 });
             }
-        };
+        }
-
-        output_path
     }
 }
 

compiler/rustc_codegen_ssa/src/back/archive.rs

@@ -31,9 +31,8 @@ pub trait ArchiveBuilderBuilder {
         sess: &Session,
         lib_name: &str,
         dll_imports: &[DllImport],
-        tmpdir: &Path,
+        output_path: &Path,
-        is_direct_dependency: bool,
+    );
-    ) -> PathBuf;
 
     fn extract_bundled_libs<'a>(
         &'a self,

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -494,13 +494,17 @@ fn create_dll_import_libs<'a>(
     Ok(collate_raw_dylibs(sess, used_libraries)?
         .into_iter()
         .map(|(raw_dylib_name, raw_dylib_imports)| {
+            let name_suffix = if is_direct_dependency { "_imports" } else { "_imports_indirect" };
+            let output_path = tmpdir.join(format!("{raw_dylib_name}{name_suffix}.lib"));
+
             archive_builder_builder.create_dll_import_lib(
                 sess,
                 &raw_dylib_name,
                 &raw_dylib_imports,
-                tmpdir,
+                &output_path,
-                is_direct_dependency,
+            );
-            )
+
+            output_path
         })
         .collect())
 }