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test suite: use CARGO_TARGET_TMPDIR for temporary build artifacts #4313

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Merged
merged 1 commit into from
May 7, 2025
Merged

test suite: use CARGO_TARGET_TMPDIR for temporary build artifacts #4313

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5 changes: 2 additions & 3 deletions tests/ui.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,8 +44,7 @@ pub fn flagsplit(flags: &str) -> Vec<String> {
fn build_native_lib() -> PathBuf {
let cc = env::var("CC").unwrap_or_else(|_| "cc".into());
// Target directory that we can write to.
let so_target_dir =
Path::new(&env::var_os("CARGO_TARGET_DIR").unwrap()).join("miri-native-lib");
let so_target_dir = Path::new(env!("CARGO_TARGET_TMPDIR")).join("miri-native-lib");
// Create the directory if it does not already exist.
std::fs::create_dir_all(&so_target_dir)
.expect("Failed to create directory for shared object file");
Expand Down Expand Up @@ -101,7 +100,7 @@ fn miri_config(
let mut config = Config {
target: Some(target.to_owned()),
program,
out_dir: PathBuf::from(std::env::var_os("CARGO_TARGET_DIR").unwrap()).join("miri_ui"),
out_dir: PathBuf::from(env!("CARGO_TARGET_TMPDIR")).join("miri_ui"),
threads: std::env::var("MIRI_TEST_THREADS")
.ok()
.map(|threads| NonZero::new(threads.parse().unwrap()).unwrap()),
Expand Down