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Rollup merge of #91685 - Aaron1011:install-llvm-tools, r=Mark-Simulacrum

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Install llvm tools to sysroot when assembling local toolchain

Some projects (e.g. the `bootimage` crate) may require the
user to install the `llvm-tools-preview` rustup component.
However, this cannot be easily done with a locally built toolchain.

To allow a local toolchain to be used a drop-in replacement for
a normal rustup toolchain in more cases, this PR copies the built
LLVM tools to the sysoot. From the perspective a tool looking
at the sysroot, this is equivalent to installing `llvm-tools-preview`.
This commit is contained in:
Matthias Krüger 2021-12-09 05:08:34 +01:00 committed by GitHub
commit ab92eca612
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11
src/bootstrap/compile.rs
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@ -28,6 +28,7 @@ use crate::dist;
use crate::native;
use crate::tool::SourceType;
use crate::util::{exe, is_debug_info, is_dylib, symlink_dir};
use crate::LLVM_TOOLS;
use crate::{Compiler, DependencyType, GitRepo, Mode};
#[derive(Debug, PartialOrd, Ord, Copy, Clone, PartialEq, Eq, Hash)]
@ -1164,6 +1165,16 @@ impl Step for Assemble {
let llvm_bin_dir = output(Command::new(llvm_config_bin).arg("--bindir"));
let llvm_bin_dir = Path::new(llvm_bin_dir.trim());
builder.copy(&llvm_bin_dir.join(&src_exe), &libdir_bin.join(&dst_exe));
// Since we've already built the LLVM tools, install them to the sysroot.
// This is the equivalent of installing the `llvm-tools-preview` component via
// rustup, and lets developers use a locally built toolchain to
// build projects that expect llvm tools to be present in the sysroot
// (e.g. the `bootimage` crate).
for tool in LLVM_TOOLS {
let tool_exe = exe(tool, target_compiler.host);
builder.copy(&llvm_bin_dir.join(&tool_exe), &libdir_bin.join(&tool_exe));
}
}
}