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-rw-r--r--src/bootstrap/Cargo.lock4
-rw-r--r--src/bootstrap/builder.rs1
-rw-r--r--src/bootstrap/compile.rs43
-rw-r--r--src/bootstrap/config.rs73
-rw-r--r--src/bootstrap/config/tests.rs5
-rw-r--r--src/bootstrap/download-ci-llvm-stamp2
-rw-r--r--src/bootstrap/llvm.rs2
-rw-r--r--src/bootstrap/metrics.rs98
-rw-r--r--src/bootstrap/render_tests.rs6
-rw-r--r--src/bootstrap/test.rs12
-rw-r--r--src/bootstrap/tool.rs1
11 files changed, 131 insertions, 116 deletions
diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock
index 2b2e9e9f988..66d97a2a0d0 100644
--- a/src/bootstrap/Cargo.lock
+++ b/src/bootstrap/Cargo.lock
@@ -85,6 +85,10 @@ dependencies = [
 [[package]]
 name = "build_helper"
 version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_derive",
+]
 
 [[package]]
 name = "cc"
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 05b66f94727..c9bd329d430 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -665,6 +665,7 @@ impl<'a> Builder<'a> {
                 llvm::Lld,
                 llvm::CrtBeginEnd,
                 tool::RustdocGUITest,
+                tool::OptimizedDist
             ),
             Kind::Check | Kind::Clippy | Kind::Fix => describe!(
                 check::Std,
diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
index 14c3ef79a78..efe621bdb7d 100644
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -508,6 +508,49 @@ impl Step for StdLink {
         };
 
         add_to_sysroot(builder, &libdir, &hostdir, &libstd_stamp(builder, compiler, target));
+
+        // Special case for stage0, to make `rustup toolchain link` and `x dist --stage 0`
+        // work for stage0-sysroot. We only do this if the stage0 compiler comes from beta,
+        // and is not set to a custom path.
+        if compiler.stage == 0
+            && builder
+                .build
+                .config
+                .initial_rustc
+                .starts_with(builder.out.join(&compiler.host.triple).join("stage0/bin"))
+        {
+            // Copy bin files from stage0/bin to stage0-sysroot/bin
+            let sysroot = builder.out.join(&compiler.host.triple).join("stage0-sysroot");
+
+            let host = compiler.host.triple;
+            let stage0_bin_dir = builder.out.join(&host).join("stage0/bin");
+            let sysroot_bin_dir = sysroot.join("bin");
+            t!(fs::create_dir_all(&sysroot_bin_dir));
+            builder.cp_r(&stage0_bin_dir, &sysroot_bin_dir);
+
+            // Copy all *.so files from stage0/lib to stage0-sysroot/lib
+            let stage0_lib_dir = builder.out.join(&host).join("stage0/lib");
+            if let Ok(files) = fs::read_dir(&stage0_lib_dir) {
+                for file in files {
+                    let file = t!(file);
+                    let path = file.path();
+                    if path.is_file() && is_dylib(&file.file_name().into_string().unwrap()) {
+                        builder.copy(&path, &sysroot.join("lib").join(path.file_name().unwrap()));
+                    }
+                }
+            }
+
+            // Copy codegen-backends from stage0
+            let sysroot_codegen_backends = builder.sysroot_codegen_backends(compiler);
+            t!(fs::create_dir_all(&sysroot_codegen_backends));
+            let stage0_codegen_backends = builder
+                .out
+                .join(&host)
+                .join("stage0/lib/rustlib")
+                .join(&host)
+                .join("codegen-backends");
+            builder.cp_r(&stage0_codegen_backends, &sysroot_codegen_backends);
+        }
     }
 }
 
diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index 5f5f7ea25fb..28ae46efefe 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -875,11 +875,10 @@ impl Default for StringOrBool {
     }
 }
 
-#[derive(Clone, Debug, Deserialize, PartialEq, Eq)]
-#[serde(untagged)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub enum RustOptimize {
-    #[serde(deserialize_with = "deserialize_and_validate_opt_level")]
     String(String),
+    Int(u8),
     Bool(bool),
 }
 
@@ -889,26 +888,74 @@ impl Default for RustOptimize {
     }
 }
 
-fn deserialize_and_validate_opt_level<'de, D>(d: D) -> Result<String, D::Error>
-where
-    D: serde::de::Deserializer<'de>,
-{
-    let v = String::deserialize(d)?;
-    if ["0", "1", "2", "3", "s", "z"].iter().find(|x| **x == v).is_some() {
-        Ok(v)
-    } else {
-        Err(format!(r#"unrecognized option for rust optimize: "{}", expected one of "0", "1", "2", "3", "s", "z""#, v)).map_err(serde::de::Error::custom)
+impl<'de> Deserialize<'de> for RustOptimize {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        deserializer.deserialize_any(OptimizeVisitor)
+    }
+}
+
+struct OptimizeVisitor;
+
+impl<'de> serde::de::Visitor<'de> for OptimizeVisitor {
+    type Value = RustOptimize;
+
+    fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        formatter.write_str(r#"one of: 0, 1, 2, 3, "s", "z", true, false"#)
+    }
+
+    fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
+    where
+        E: serde::de::Error,
+    {
+        if ["s", "z"].iter().find(|x| **x == value).is_some() {
+            Ok(RustOptimize::String(value.to_string()))
+        } else {
+            Err(format_optimize_error_msg(value)).map_err(serde::de::Error::custom)
+        }
+    }
+
+    fn visit_i64<E>(self, value: i64) -> Result<Self::Value, E>
+    where
+        E: serde::de::Error,
+    {
+        if matches!(value, 0..=3) {
+            Ok(RustOptimize::Int(value as u8))
+        } else {
+            Err(format_optimize_error_msg(value)).map_err(serde::de::Error::custom)
+        }
+    }
+
+    fn visit_bool<E>(self, value: bool) -> Result<Self::Value, E>
+    where
+        E: serde::de::Error,
+    {
+        Ok(RustOptimize::Bool(value))
     }
 }
 
+fn format_optimize_error_msg(v: impl std::fmt::Display) -> String {
+    format!(
+        r#"unrecognized option for rust optimize: "{}", expected one of 0, 1, 2, 3, "s", "z", true, false"#,
+        v
+    )
+}
+
 impl RustOptimize {
     pub(crate) fn is_release(&self) -> bool {
-        if let RustOptimize::Bool(true) | RustOptimize::String(_) = &self { true } else { false }
+        match &self {
+            RustOptimize::Bool(true) | RustOptimize::String(_) => true,
+            RustOptimize::Int(i) => *i > 0,
+            RustOptimize::Bool(false) => false,
+        }
     }
 
     pub(crate) fn get_opt_level(&self) -> Option<String> {
         match &self {
             RustOptimize::String(s) => Some(s.clone()),
+            RustOptimize::Int(i) => Some(i.to_string()),
             RustOptimize::Bool(_) => None,
         }
     }
diff --git a/src/bootstrap/config/tests.rs b/src/bootstrap/config/tests.rs
index 732df54cdac..c340bb2982a 100644
--- a/src/bootstrap/config/tests.rs
+++ b/src/bootstrap/config/tests.rs
@@ -184,7 +184,10 @@ fn rust_optimize() {
     assert_eq!(parse("").rust_optimize.is_release(), true);
     assert_eq!(parse("rust.optimize = false").rust_optimize.is_release(), false);
     assert_eq!(parse("rust.optimize = true").rust_optimize.is_release(), true);
-    assert_eq!(parse("rust.optimize = \"1\"").rust_optimize.get_opt_level(), Some("1".to_string()));
+    assert_eq!(parse("rust.optimize = 0").rust_optimize.is_release(), false);
+    assert_eq!(parse("rust.optimize = 1").rust_optimize.is_release(), true);
+    assert_eq!(parse("rust.optimize = 1").rust_optimize.get_opt_level(), Some("1".to_string()));
+    assert_eq!(parse("rust.optimize = \"s\"").rust_optimize.is_release(), true);
     assert_eq!(parse("rust.optimize = \"s\"").rust_optimize.get_opt_level(), Some("s".to_string()));
 }
 
diff --git a/src/bootstrap/download-ci-llvm-stamp b/src/bootstrap/download-ci-llvm-stamp
index 4111b7cc0d3..120b3c9c4d2 100644
--- a/src/bootstrap/download-ci-llvm-stamp
+++ b/src/bootstrap/download-ci-llvm-stamp
@@ -1,4 +1,4 @@
 Change this file to make users of the `download-ci-llvm` configuration download
 a new version of LLVM from CI, even if the LLVM submodule hasn’t changed.
 
-Last change is for: https://github.com/rust-lang/rust/pull/96971
+Last change is for: https://github.com/rust-lang/rust/pull/112931
diff --git a/src/bootstrap/llvm.rs b/src/bootstrap/llvm.rs
index c4916a21c0f..7e27960f3e9 100644
--- a/src/bootstrap/llvm.rs
+++ b/src/bootstrap/llvm.rs
@@ -352,7 +352,7 @@ impl Step for Llvm {
         // Disable zstd to avoid a dependency on libzstd.so.
         cfg.define("LLVM_ENABLE_ZSTD", "OFF");
 
-        if target != "aarch64-apple-darwin" && !target.contains("windows") {
+        if !target.contains("windows") {
             cfg.define("LLVM_ENABLE_ZLIB", "ON");
         } else {
             cfg.define("LLVM_ENABLE_ZLIB", "OFF");
diff --git a/src/bootstrap/metrics.rs b/src/bootstrap/metrics.rs
index 5990f33b9bc..b73df7fe822 100644
--- a/src/bootstrap/metrics.rs
+++ b/src/bootstrap/metrics.rs
@@ -7,7 +7,10 @@
 use crate::builder::{Builder, Step};
 use crate::util::t;
 use crate::Build;
-use serde_derive::{Deserialize, Serialize};
+use build_helper::metrics::{
+    JsonInvocation, JsonInvocationSystemStats, JsonNode, JsonRoot, JsonStepSystemStats, Test,
+    TestOutcome, TestSuite, TestSuiteMetadata,
+};
 use std::cell::RefCell;
 use std::fs::File;
 use std::io::BufWriter;
@@ -241,98 +244,7 @@ struct StepMetrics {
     test_suites: Vec<TestSuite>,
 }
 
-#[derive(Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-struct JsonRoot {
-    #[serde(default)] // For version 0 the field was not present.
-    format_version: usize,
-    system_stats: JsonInvocationSystemStats,
-    invocations: Vec<JsonInvocation>,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-struct JsonInvocation {
-    // Unix timestamp in seconds
-    //
-    // This is necessary to easily correlate this invocation with logs or other data.
-    start_time: u64,
-    duration_including_children_sec: f64,
-    children: Vec<JsonNode>,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(tag = "kind", rename_all = "snake_case")]
-enum JsonNode {
-    RustbuildStep {
-        #[serde(rename = "type")]
-        type_: String,
-        debug_repr: String,
-
-        duration_excluding_children_sec: f64,
-        system_stats: JsonStepSystemStats,
-
-        children: Vec<JsonNode>,
-    },
-    TestSuite(TestSuite),
-}
-
-#[derive(Serialize, Deserialize)]
-struct TestSuite {
-    metadata: TestSuiteMetadata,
-    tests: Vec<Test>,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(tag = "kind", rename_all = "snake_case")]
-pub(crate) enum TestSuiteMetadata {
-    CargoPackage {
-        crates: Vec<String>,
-        target: String,
-        host: String,
-        stage: u32,
-    },
-    Compiletest {
-        suite: String,
-        mode: String,
-        compare_mode: Option<String>,
-        target: String,
-        host: String,
-        stage: u32,
-    },
-}
-
-#[derive(Serialize, Deserialize)]
-pub(crate) struct Test {
-    name: String,
-    #[serde(flatten)]
-    outcome: TestOutcome,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(tag = "outcome", rename_all = "snake_case")]
-pub(crate) enum TestOutcome {
-    Passed,
-    Failed,
-    Ignored { ignore_reason: Option<String> },
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-struct JsonInvocationSystemStats {
-    cpu_threads_count: usize,
-    cpu_model: String,
-
-    memory_total_bytes: u64,
-}
-
-#[derive(Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-struct JsonStepSystemStats {
-    cpu_utilization_percent: f64,
-}
-
-#[derive(Deserialize)]
+#[derive(serde_derive::Deserialize)]
 struct OnlyFormatVersion {
     #[serde(default)] // For version 0 the field was not present.
     format_version: usize,
diff --git a/src/bootstrap/render_tests.rs b/src/bootstrap/render_tests.rs
index 98a468c883d..ccd067053ef 100644
--- a/src/bootstrap/render_tests.rs
+++ b/src/bootstrap/render_tests.rs
@@ -141,9 +141,9 @@ impl<'a> Renderer<'a> {
         self.builder.metrics.record_test(
             &test.name,
             match outcome {
-                Outcome::Ok | Outcome::BenchOk => crate::metrics::TestOutcome::Passed,
-                Outcome::Failed => crate::metrics::TestOutcome::Failed,
-                Outcome::Ignored { reason } => crate::metrics::TestOutcome::Ignored {
+                Outcome::Ok | Outcome::BenchOk => build_helper::metrics::TestOutcome::Passed,
+                Outcome::Failed => build_helper::metrics::TestOutcome::Failed,
+                Outcome::Ignored { reason } => build_helper::metrics::TestOutcome::Ignored {
                     ignore_reason: reason.map(|s| s.to_string()),
                 },
             },
diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
index e4cc88c64a5..0907291b54d 100644
--- a/src/bootstrap/test.rs
+++ b/src/bootstrap/test.rs
@@ -340,7 +340,7 @@ impl Step for Cargo {
 
         #[cfg(feature = "build-metrics")]
         builder.metrics.begin_test_suite(
-            crate::metrics::TestSuiteMetadata::CargoPackage {
+            build_helper::metrics::TestSuiteMetadata::CargoPackage {
                 crates: vec!["cargo".into()],
                 target: self.host.triple.to_string(),
                 host: self.host.triple.to_string(),
@@ -799,6 +799,10 @@ impl Step for Clippy {
             // The tests succeeded; nothing to do.
             return;
         }
+
+        if !builder.config.cmd.bless() {
+            crate::detail_exit_macro!(1);
+        }
     }
 }
 
@@ -1823,7 +1827,7 @@ note: if you're sure you want to do this, please open an issue as to why. In the
 
         #[cfg(feature = "build-metrics")]
         builder.metrics.begin_test_suite(
-            crate::metrics::TestSuiteMetadata::Compiletest {
+            build_helper::metrics::TestSuiteMetadata::Compiletest {
                 suite: suite.into(),
                 mode: mode.into(),
                 compare_mode: None,
@@ -1848,7 +1852,7 @@ note: if you're sure you want to do this, please open an issue as to why. In the
 
             #[cfg(feature = "build-metrics")]
             builder.metrics.begin_test_suite(
-                crate::metrics::TestSuiteMetadata::Compiletest {
+                build_helper::metrics::TestSuiteMetadata::Compiletest {
                     suite: suite.into(),
                     mode: mode.into(),
                     compare_mode: Some(compare_mode.into()),
@@ -2196,7 +2200,7 @@ fn run_cargo_test(
 
     #[cfg(feature = "build-metrics")]
     builder.metrics.begin_test_suite(
-        crate::metrics::TestSuiteMetadata::CargoPackage {
+        build_helper::metrics::TestSuiteMetadata::CargoPackage {
             crates: crates.iter().map(|c| c.to_string()).collect(),
             target: target.triple.to_string(),
             host: compiler.host.triple.to_string(),
diff --git a/src/bootstrap/tool.rs b/src/bootstrap/tool.rs
index 06c03178862..915dceae389 100644
--- a/src/bootstrap/tool.rs
+++ b/src/bootstrap/tool.rs
@@ -303,6 +303,7 @@ bootstrap_tool!(
     SuggestTests, "src/tools/suggest-tests", "suggest-tests";
     GenerateWindowsSys, "src/tools/generate-windows-sys", "generate-windows-sys";
     RustdocGUITest, "src/tools/rustdoc-gui-test", "rustdoc-gui-test", is_unstable_tool = true, allow_features = "test";
+    OptimizedDist, "src/tools/opt-dist", "opt-dist";
 );
 
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, Ord, PartialOrd)]
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-07-15 16:17:17 +0000