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Set explicit target directory to avoid cargo deadlock

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oxalica 2021-06-22 03:14:08 +08:00
parent 1b05dbba39
commit d368b663bd
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1 changed files with 10 additions and 4 deletions
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14
crates/proc_macro_test/build.rs
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@ -17,9 +17,16 @@ fn main() {
let name = "proc_macro_test_impl";
let version = "0.0.0";
let target_dir = out_dir.join("target");
let output = Command::new(toolchain::cargo())
.current_dir("imp")
.args(&["build", "-p", "proc_macro_test_impl", "--message-format", "json"])
// Explicit override the target directory to avoid using the same one which the parent
// cargo is using, or we'll deadlock.
// This can happen when `CARGO_TARGET_DIR` is set or global config forces all cargo
// instance to use the same target directory.
.arg("--target-dir")
.arg(&target_dir)
.output()
.unwrap();
assert!(output.status.success());
@ -39,10 +46,9 @@ fn main() {
}
}
let src_path = artifact_path.expect("no dylib for proc_macro_test_impl found");
let dest_path = out_dir.join(src_path.file_name().unwrap());
fs::copy(src_path, &dest_path).unwrap();
// This file is under `target_dir` and is already under `OUT_DIR`.
let artifact_path = artifact_path.expect("no dylib for proc_macro_test_impl found");
let info_path = out_dir.join("proc_macro_test_location.txt");
fs::write(info_path, dest_path.to_str().unwrap()).unwrap();
fs::write(info_path, artifact_path.to_str().unwrap()).unwrap();
}