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Rollup merge of #99872 - Nilstrieb:bootstrap-llvm, r=jyn514

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Clone the `src/llvm-project` submodule if profiling is enabled

To compile rustc with profiling information, `compiler-rt` from LLVM is required. Building it requires the `src/llvm-project` submodule to be initialized and updated.

Fixes #99869
This commit is contained in:
Yuki Okushi 2022-07-29 15:40:04 +09:00 • committed by GitHub
commit a8f77ade97
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5
src/bootstrap/compile.rs
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@ -111,6 +111,11 @@ impl Step for Std {
builder.update_submodule(&Path::new("library").join("stdarch"));
// Profiler information requires LLVM's compiler-rt
if builder.config.profiler {
builder.update_submodule(&Path::new("src/llvm-project"));
}
let mut target_deps = builder.ensure(StartupObjects { compiler, target });
let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);