Remove the unused extra_features field from tool_extended!

This field was introduced in rust-lang#48097 to support the "clippy" feature of RLS.

Author: Zalathar

src/bootstrap/src/core/build_steps/dist.rs

@@ -1152,7 +1152,7 @@ impl Step for Rls {
         let compiler = self.compiler;
         let target = self.target;
 
-        let rls = builder.ensure(tool::Rls { compiler, target, extra_features: Vec::new() });
+        let rls = builder.ensure(tool::Rls { compiler, target });
 
         let mut tarball = Tarball::new(builder, "rls", &target.triple);
         tarball.set_overlay(OverlayKind::Rls);
@@ -1239,9 +1239,8 @@ impl Step for Clippy {
         // Prepare the image directory
         // We expect clippy to build, because we've exited this step above if tool
         // state for clippy isn't testing.
-        let clippy = builder.ensure(tool::Clippy { compiler, target, extra_features: Vec::new() });
-        let cargoclippy =
-            builder.ensure(tool::CargoClippy { compiler, target, extra_features: Vec::new() });
+        let clippy = builder.ensure(tool::Clippy { compiler, target });
+        let cargoclippy = builder.ensure(tool::CargoClippy { compiler, target });
 
         let mut tarball = Tarball::new(builder, "clippy", &target.triple);
         tarball.set_overlay(OverlayKind::Clippy);
@@ -1290,9 +1289,8 @@ impl Step for Miri {
         let compiler = self.compiler;
         let target = self.target;
 
-        let miri = builder.ensure(tool::Miri { compiler, target, extra_features: Vec::new() });
-        let cargomiri =
-            builder.ensure(tool::CargoMiri { compiler, target, extra_features: Vec::new() });
+        let miri = builder.ensure(tool::Miri { compiler, target });
+        let cargomiri = builder.ensure(tool::CargoMiri { compiler, target });
 
         let mut tarball = Tarball::new(builder, "miri", &target.triple);
         tarball.set_overlay(OverlayKind::Miri);
@@ -1423,10 +1421,8 @@ impl Step for Rustfmt {
         let compiler = self.compiler;
         let target = self.target;
 
-        let rustfmt =
-            builder.ensure(tool::Rustfmt { compiler, target, extra_features: Vec::new() });
-        let cargofmt =
-            builder.ensure(tool::Cargofmt { compiler, target, extra_features: Vec::new() });
+        let rustfmt = builder.ensure(tool::Rustfmt { compiler, target });
+        let cargofmt = builder.ensure(tool::Cargofmt { compiler, target });
         let mut tarball = Tarball::new(builder, "rustfmt", &target.triple);
         tarball.set_overlay(OverlayKind::Rustfmt);
         tarball.is_preview(true);

src/bootstrap/src/core/build_steps/test.rs

@@ -409,7 +409,7 @@ impl Step for Rustfmt {
         let host = self.host;
         let compiler = builder.compiler(stage, host);
 
-        builder.ensure(tool::Rustfmt { compiler, target: self.host, extra_features: Vec::new() });
+        builder.ensure(tool::Rustfmt { compiler, target: self.host });
 
         let mut cargo = tool::prepare_tool_cargo(
             builder,
@@ -511,17 +511,9 @@ impl Step for Miri {
         let host_compiler = builder.compiler(stage - 1, host);
 
         // Build our tools.
-        let miri = builder.ensure(tool::Miri {
-            compiler: host_compiler,
-            target: host,
-            extra_features: Vec::new(),
-        });
+        let miri = builder.ensure(tool::Miri { compiler: host_compiler, target: host });
         // the ui tests also assume cargo-miri has been built
-        builder.ensure(tool::CargoMiri {
-            compiler: host_compiler,
-            target: host,
-            extra_features: Vec::new(),
-        });
+        builder.ensure(tool::CargoMiri { compiler: host_compiler, target: host });
 
         // We also need sysroots, for Miri and for the host (the latter for build scripts).
         // This is for the tests so everything is done with the target compiler.
@@ -740,7 +732,7 @@ impl Step for Clippy {
         let host = self.host;
         let compiler = builder.compiler(stage, host);
 
-        builder.ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() });
+        builder.ensure(tool::Clippy { compiler, target: self.host });
         let mut cargo = tool::prepare_tool_cargo(
             builder,
             compiler,

src/bootstrap/src/core/build_steps/tool.rs

@@ -1021,7 +1021,6 @@ macro_rules! tool_extended {
         pub struct $name {
             pub compiler: Compiler,
             pub target: TargetSelection,
-            pub extra_features: Vec<String>,
         }
 
         impl Step for $name {
@@ -1051,7 +1050,6 @@ macro_rules! tool_extended {
                 run.builder.ensure($name {
                     compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
                     target: run.target,
-                    extra_features: Vec::new(),
                 });
             }
 
@@ -1063,7 +1061,7 @@ macro_rules! tool_extended {
                     tool: $tool_name,
                     mode: if false $(|| $tool_std)? { Mode::ToolStd } else { Mode::ToolRustc },
                     path: $path,
-                    extra_features: $sel.extra_features,
+                    extra_features: vec![],
                     source_type: SourceType::InTree,
                     allow_features: concat!($($allow_features)*),
                     cargo_args: vec![]

src/bootstrap/src/core/builder/mod.rs

@@ -1339,16 +1339,9 @@ impl<'a> Builder<'a> {
         }
 
         let build_compiler = self.compiler(run_compiler.stage - 1, self.build.build);
-        self.ensure(tool::Clippy {
-            compiler: build_compiler,
-            target: self.build.build,
-            extra_features: vec![],
-        });
-        let cargo_clippy = self.ensure(tool::CargoClippy {
-            compiler: build_compiler,
-            target: self.build.build,
-            extra_features: vec![],
-        });
+        self.ensure(tool::Clippy { compiler: build_compiler, target: self.build.build });
+        let cargo_clippy =
+            self.ensure(tool::CargoClippy { compiler: build_compiler, target: self.build.build });
         let mut dylib_path = helpers::dylib_path();
         dylib_path.insert(0, self.sysroot(run_compiler).join("lib"));
 
@@ -1363,16 +1356,9 @@ impl<'a> Builder<'a> {
         let build_compiler = self.compiler(run_compiler.stage - 1, self.build.build);
 
         // Prepare the tools
-        let miri = self.ensure(tool::Miri {
-            compiler: build_compiler,
-            target: self.build.build,
-            extra_features: Vec::new(),
-        });
-        let cargo_miri = self.ensure(tool::CargoMiri {
-            compiler: build_compiler,
-            target: self.build.build,
-            extra_features: Vec::new(),
-        });
+        let miri = self.ensure(tool::Miri { compiler: build_compiler, target: self.build.build });
+        let cargo_miri =
+            self.ensure(tool::CargoMiri { compiler: build_compiler, target: self.build.build });
         // Invoke cargo-miri, make sure it can find miri and cargo.
         let mut cmd = command(cargo_miri);
         cmd.env("MIRI", &miri);