100 lines
4.1 KiB
Diff
100 lines
4.1 KiB
Diff
From b51b8d1854e7e2e7b7b431da26adad6b3677f6d2 Mon Sep 17 00:00:00 2001
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From: Josh Stone <jistone@redhat.com>
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Date: Mon, 18 Aug 2025 17:11:07 -0700
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Subject: [PATCH 1/2] bootstrap: allow disabling target self-contained
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---
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bootstrap.example.toml | 5 +++++
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src/bootstrap/src/core/build_steps/compile.rs | 4 ++++
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src/bootstrap/src/core/config/toml/target.rs | 8 ++++++++
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src/bootstrap/src/lib.rs | 5 +++++
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4 files changed, 22 insertions(+)
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diff --git a/bootstrap.example.toml b/bootstrap.example.toml
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index 31966af33012..82041167b444 100644
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--- a/bootstrap.example.toml
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+++ b/bootstrap.example.toml
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@@ -1044,3 +1044,8 @@
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# Link the compiler and LLVM against `jemalloc` instead of the default libc allocator.
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# This overrides the global `rust.jemalloc` option. See that option for more info.
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#jemalloc = rust.jemalloc (bool)
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+
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+# Copy libc and CRT objects into the target lib/self-contained/ directory.
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+# Enabled by default on `musl`, `wasi`, and `windows-gnu` targets. Other
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+# targets may ignore this setting if they have nothing to be contained.
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+#self-contained = <platform-specific> (bool)
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diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs
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index 59541bf12def..7a5533346adf 100644
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--- a/src/bootstrap/src/core/build_steps/compile.rs
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+++ b/src/bootstrap/src/core/build_steps/compile.rs
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@@ -370,6 +370,10 @@ fn copy_self_contained_objects(
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compiler: &Compiler,
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target: TargetSelection,
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) -> Vec<(PathBuf, DependencyType)> {
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+ if builder.self_contained(target) != Some(true) {
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+ return vec![];
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+ }
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+
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let libdir_self_contained =
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builder.sysroot_target_libdir(*compiler, target).join("self-contained");
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t!(fs::create_dir_all(&libdir_self_contained));
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diff --git a/src/bootstrap/src/core/config/toml/target.rs b/src/bootstrap/src/core/config/toml/target.rs
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index 9dedadff3a19..69afa8af3419 100644
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--- a/src/bootstrap/src/core/config/toml/target.rs
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+++ b/src/bootstrap/src/core/config/toml/target.rs
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@@ -47,6 +47,7 @@ struct TomlTarget {
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runner: Option<String> = "runner",
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optimized_compiler_builtins: Option<bool> = "optimized-compiler-builtins",
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jemalloc: Option<bool> = "jemalloc",
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+ self_contained: Option<bool> = "self-contained",
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}
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}
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@@ -79,6 +80,7 @@ pub struct Target {
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pub codegen_backends: Option<Vec<CodegenBackendKind>>,
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pub optimized_compiler_builtins: Option<bool>,
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pub jemalloc: Option<bool>,
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+ pub self_contained: bool,
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}
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impl Target {
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@@ -90,6 +92,9 @@ pub fn from_triple(triple: &str) -> Self {
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if triple.contains("emscripten") {
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target.runner = Some("node".into());
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}
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+ if triple.contains("-musl") || triple.contains("-wasi") || triple.contains("-windows-gnu") {
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+ target.self_contained = true;
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+ }
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target
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}
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}
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@@ -126,6 +131,9 @@ pub fn apply_target_config(&mut self, toml_target: Option<HashMap<String, TomlTa
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if let Some(s) = cfg.no_std {
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target.no_std = s;
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}
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+ if let Some(s) = cfg.self_contained {
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+ target.self_contained = s;
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+ }
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target.cc = cfg.cc.map(PathBuf::from);
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target.cxx = cfg.cxx.map(PathBuf::from);
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target.ar = cfg.ar.map(PathBuf::from);
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diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs
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index 011b52df97bb..77b2d9205a43 100644
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--- a/src/bootstrap/src/lib.rs
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+++ b/src/bootstrap/src/lib.rs
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@@ -1423,6 +1423,11 @@ fn no_std(&self, target: TargetSelection) -> Option<bool> {
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self.config.target_config.get(&target).map(|t| t.no_std)
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}
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+ /// Returns `true` if this is a self-contained `target`, if defined
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+ fn self_contained(&self, target: TargetSelection) -> Option<bool> {
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+ self.config.target_config.get(&target).map(|t| t.self_contained)
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+ }
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+
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/// Returns `true` if the target will be tested using the `remote-test-client`
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/// and `remote-test-server` binaries.
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fn remote_tested(&self, target: TargetSelection) -> bool {
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--
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2.50.1
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