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improve bootstrap to allow selecting llvm tools individually
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Everything works as before, + now bootstrap allows for individually selecting LLVM
tools (e.g., `x dist opt llvm-dis`) to include in the dist artifact.

Signed-off-by: onur-ozkan <[email protected]>
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onur-ozkan committed Jul 31, 2024
1 parent e69c19e commit f6c4110
Showing 1 changed file with 34 additions and 3 deletions.
37 changes: 34 additions & 3 deletions src/bootstrap/src/core/build_steps/dist.rs
Original file line number Diff line number Diff line change
Expand Up @@ -2122,15 +2122,46 @@ impl Step for LlvmTools {

fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
let default = should_build_extended_tool(run.builder, "llvm-tools");
// FIXME: allow using the names of the tools themselves?
run.alias("llvm-tools").default_condition(default)

let mut run = run.alias("llvm-tools");
for tool in LLVM_TOOLS {
run = run.alias(tool);
}

run.default_condition(default)
}

fn make_run(run: RunConfig<'_>) {
run.builder.ensure(LlvmTools { target: run.target });
}

fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
fn tools_to_install(paths: &[PathBuf]) -> Vec<&'static str> {
let mut tools = vec![];

for path in paths {
let path = path.to_str().unwrap();

// Include all tools if path is 'llvm-tools'.
if path == "llvm-tools" {
return LLVM_TOOLS.to_owned();
}

for tool in LLVM_TOOLS {
if path == *tool {
tools.push(*tool);
}
}
}

// If no specific tool is requested, include all tools.
if tools.is_empty() {
tools = LLVM_TOOLS.to_owned();
}

tools
}

let target = self.target;

/* run only if llvm-config isn't used */
Expand All @@ -2151,7 +2182,7 @@ impl Step for LlvmTools {
// Prepare the image directory
let src_bindir = builder.llvm_out(target).join("bin");
let dst_bindir = format!("lib/rustlib/{}/bin", target.triple);
for tool in LLVM_TOOLS {
for tool in tools_to_install(&builder.paths) {
let exe = src_bindir.join(exe(tool, target));
tarball.add_file(&exe, &dst_bindir, 0o755);
}
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