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Merged
dtolnay merged 1 commit into from
Mar 26, 2024
Merged

Apply RUSTC_WORKSPACE_WRAPPER #293

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19 changes: 10 additions & 9 deletions build.rs
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
use std::env;
use std::ffi::OsString;
use std::iter;
use std::path::Path;
use std::process::{self, Command, Stdio};

Expand Down Expand Up @@ -66,15 +67,15 @@ fn compile_probe(rustc_bootstrap: bool) -> bool {
let out_dir = cargo_env_var("OUT_DIR");
let probefile = Path::new("build").join("probe.rs");

// Make sure to pick up Cargo rustc configuration.
let mut cmd = if let Some(wrapper) = env::var_os("RUSTC_WRAPPER") {
let mut cmd = Command::new(wrapper);
// The wrapper's first argument is supposed to be the path to rustc.
cmd.arg(rustc);
cmd
} else {
Command::new(rustc)
};
let rustc_wrapper = env::var_os("RUSTC_WRAPPER").filter(|wrapper| !wrapper.is_empty());
let rustc_workspace_wrapper =
env::var_os("RUSTC_WORKSPACE_WRAPPER").filter(|wrapper| !wrapper.is_empty());
let mut rustc = rustc_wrapper
.into_iter()
.chain(rustc_workspace_wrapper)
.chain(iter::once(rustc));
let mut cmd = Command::new(rustc.next().unwrap());
cmd.args(rustc);

if !rustc_bootstrap {
cmd.env_remove("RUSTC_BOOTSTRAP");
Expand Down