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Enable relocations for BOLT

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This commit is contained in:
Jakub Beránek 2023-10-02 21:14:16 +02:00
parent 240a7dd02e
commit 589e38a413
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GPG Key ID: 909CD0D26483516B
2 changed files with 11 additions and 0 deletions
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6
src/bootstrap/bin/rustc.rs
View File

@ -217,6 +217,12 @@ fn main() {
eprintln!("{prefix} libdir: {libdir:?}"); eprintln!("{prefix} libdir: {libdir:?}");
} }
if env::var_os("RUSTC_BOLT_LINK_FLAGS").is_some() {
if let Some("rustc_driver") = crate_name {
cmd.arg("-Clink-args=-Wl,-q");
}
}
let start = Instant::now(); let start = Instant::now();
let (child, status) = { let (child, status) = {
let errmsg = format!("\nFailed to run:\n{cmd:?}\n-------------"); let errmsg = format!("\nFailed to run:\n{cmd:?}\n-------------");

5
src/bootstrap/compile.rs
View File

@ -906,6 +906,11 @@ fn run(self, builder: &Builder<'_>) {
cargo.arg("-p").arg(krate); cargo.arg("-p").arg(krate);
} }
if compiler.stage == 1 {
// Relocations are required for BOLT to work.k
cargo.env("RUSTC_BOLT_LINK_FLAGS", "1");
}
let _guard = builder.msg_sysroot_tool( let _guard = builder.msg_sysroot_tool(
Kind::Build, Kind::Build,
compiler.stage, compiler.stage,