diff options
| -rw-r--r-- | src/bootstrap/src/core/build_steps/tool.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index df89eb1da20..4d2fa177765 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -196,6 +196,7 @@ impl Step for ToolBuild { Kind::Build, self.mode, self.tool, + // A stage N tool is built with the stage N-1 compiler. self.build_compiler.stage + 1, &self.build_compiler.host, &self.target, @@ -366,7 +367,7 @@ pub(crate) fn get_tool_rustc_compiler( } /// Determines how to build a `ToolTarget`, i.e. which compiler should be used to compile it. -/// The compiler stage is automatically auto-bumped if we need to cross-compile a stage 1 tool. +/// The compiler stage is automatically bumped if we need to cross-compile a stage 1 tool. pub enum ToolTargetBuildMode { /// Build the tool using rustc that corresponds to the selected CLI stage. Build(TargetSelection), @@ -399,7 +400,7 @@ pub(crate) fn get_tool_target_compiler( builder.compiler(build_compiler_stage, builder.host_target) } else { // If we are cross-compiling a stage 1 tool, we cannot do that with a stage 0 compiler, - // so we auto-bump the tool's stage to 2. + // so we auto-bump the tool's stage to 2, which means we need a stage 1 compiler. builder.compiler(build_compiler_stage.max(1), builder.host_target) }; builder.std(compiler, target); |