linker: Fix staticlib naming for UEFI

It uses `libname.a` instead of the standard MSVC naming `name.lib`.

Naming for import libraries isn't touched.

Author: petrochenkov

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -1494,7 +1494,12 @@ fn print_native_static_libs(
                 | NativeLibKind::Unspecified => {
                     let verbatim = lib.verbatim;
                     if sess.target.is_like_msvc {
-                        Some(format!("{}{}", name, if verbatim { "" } else { ".lib" }))
+                        let (prefix, suffix) = if verbatim {
+                            ("", "")
+                        } else {
+                            (&*sess.target.staticlib_prefix, &*sess.target.staticlib_suffix)
+                        };
+                        Some(format!("{prefix}{name}{suffix}"))
                     } else if sess.target.linker_flavor.is_gnu() {
                         Some(format!("-l{}{}", if verbatim { ":" } else { "" }, name))
                     } else {

compiler/rustc_codegen_ssa/src/back/linker.rs

@@ -958,9 +958,13 @@ impl<'a> Linker for MsvcLinker<'a> {
         if let Some(path) = try_find_native_static_library(self.sess, name, verbatim) {
             self.link_staticlib_by_path(&path, whole_archive);
         } else {
-            let prefix = if whole_archive { "/WHOLEARCHIVE:" } else { "" };
-            let suffix = if verbatim { "" } else { ".lib" };
-            self.link_arg(format!("{prefix}{name}{suffix}"));
+            let opts = if whole_archive { "/WHOLEARCHIVE:" } else { "" };
+            let (prefix, suffix) = if verbatim {
+                ("", "")
+            } else {
+                (&*self.sess.target.staticlib_prefix, &*self.sess.target.staticlib_suffix)
+            };
+            self.link_arg(format!("{opts}{prefix}{name}{suffix}"));
         }
     }