Drop noarch from embedded x86_64 targets and use lld

0001-Use-lld-provided-by-system-for-wasm.patch

@@ -1,26 +0,0 @@
-From 37cb177eb53145103ae72b67562884782dde01c3 Mon Sep 17 00:00:00 2001
-From: Ivan Mironov <mironov.ivan@gmail.com>
-Date: Sun, 8 Dec 2019 17:23:08 +0500
-Subject: [PATCH] Use lld provided by system for wasm
-
----
- compiler/rustc_target/src/spec/wasm_base.rs | 3 +--
- 1 file changed, 1 insertion(+), 2 deletions(-)
-
-diff --git a/compiler/rustc_target/src/spec/wasm_base.rs b/compiler/rustc_target/src/spec/wasm_base.rs
-index 528a84a8b37c..353d742161d1 100644
---- a/compiler/rustc_target/src/spec/wasm_base.rs
-+++ b/compiler/rustc_target/src/spec/wasm_base.rs
-@@ -89,8 +89,7 @@ macro_rules! args {
-         // arguments just yet
-         limit_rdylib_exports: false,
- 
--        // we use the LLD shipped with the Rust toolchain by default
--        linker: Some("rust-lld".into()),
-+        linker: Some("lld".into()),
-         linker_flavor: LinkerFlavor::WasmLld(Cc::No),
- 
-         pre_link_args,
--- 
-2.38.1
-

0001-Use-lld-provided-by-system.patch

@@ -0,0 +1,39 @@
+diff --git a/compiler/rustc_target/src/spec/wasm_base.rs b/compiler/rustc_target/src/spec/wasm_base.rs
+index 341763aadbaf..ee6358e72955 100644
+--- a/compiler/rustc_target/src/spec/wasm_base.rs
++++ b/compiler/rustc_target/src/spec/wasm_base.rs
+@@ -89,8 +89,7 @@ macro_rules! args {
+         // arguments just yet
+         limit_rdylib_exports: false,
+ 
+-        // we use the LLD shipped with the Rust toolchain by default
+-        linker: Some("rust-lld".into()),
++        linker: Some("lld".into()),
+         linker_flavor: LinkerFlavor::WasmLld(Cc::No),
+ 
+         pre_link_args,
+diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_none.rs b/compiler/rustc_target/src/spec/x86_64_unknown_none.rs
+index fe3b24f2d4af..1f1731d202ca 100644
+--- a/compiler/rustc_target/src/spec/x86_64_unknown_none.rs
++++ b/compiler/rustc_target/src/spec/x86_64_unknown_none.rs
+@@ -17,7 +17,7 @@ pub fn target() -> Target {
+         static_position_independent_executables: true,
+         relro_level: RelroLevel::Full,
+         linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes),
+-        linker: Some("rust-lld".into()),
++        linker: Some("lld".into()),
+         features:
+             "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float"
+                 .into(),
+diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs b/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs
+index 67664a74710a..53153cd120a3 100644
+--- a/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs
++++ b/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs
+@@ -12,6 +12,7 @@ pub fn target() -> Target {
+     base.cpu = "x86-64".into();
+     base.plt_by_default = false;
+     base.max_atomic_width = Some(64);
++    base.linker = Some("lld".into());
+ 
+     // We disable MMX and SSE for now, even though UEFI allows using them. Problem is, you have to
+     // enable these CPU features explicitly before their first use, otherwise their instructions

rust.spec

@@ -104,8 +104,8 @@ Source0:        https://static.rust-lang.org/dist/%{rustc_package}.tar.xz
 Source1:        %{wasi_libc_source}
 # Sources for bootstrap_arches are inserted by lua below
 
-# By default, rust tries to use "rust-lld" as a linker for WebAssembly.
-Patch1:         0001-Use-lld-provided-by-system-for-wasm.patch
+# By default, rust tries to use "rust-lld" as a linker for some targets.
+Patch1:         0001-Use-lld-provided-by-system.patch
 
 # Set a substitute-path in rust-gdb for standard library sources.
 Patch2:         rustc-1.70.0-rust-gdb-substitute-path.patch
@@ -443,7 +443,6 @@ end}
 
 %package std-static-{{triple}}
 Summary:        Standard library for Rust {{triple}}
-BuildArch:      noarch
 Requires:       {{name}} = {{verrel}}
 Requires:       lld >= 8.0