Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-test/build.rs')
-rw-r--r--crates/proc-macro-test/build.rs27
1 files changed, 25 insertions, 2 deletions
diff --git a/crates/proc-macro-test/build.rs b/crates/proc-macro-test/build.rs
index 767a790437..8e13563c14 100644
--- a/crates/proc-macro-test/build.rs
+++ b/crates/proc-macro-test/build.rs
@@ -17,9 +17,25 @@ fn main() {
let name = "proc-macro-test-impl";
let version = "0.0.0";
+
+ let imp_dir = std::env::current_dir().unwrap().join("imp");
+ let staging_dir = out_dir.join("staging");
+ std::fs::create_dir_all(&staging_dir).unwrap();
+ std::fs::create_dir_all(staging_dir.join("src")).unwrap();
+
+ for item_els in [&["Cargo.toml"][..], &["Cargo.lock"], &["src", "lib.rs"]] {
+ let mut src = imp_dir.clone();
+ let mut dst = staging_dir.clone();
+ for el in item_els {
+ src.push(el);
+ dst.push(el);
+ }
+ std::fs::copy(src, dst).unwrap();
+ }
+
let target_dir = out_dir.join("target");
let output = Command::new(toolchain::cargo())
- .current_dir("imp")
+ .current_dir(&staging_dir)
.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.
@@ -29,7 +45,14 @@ fn main() {
.arg(&target_dir)
.output()
.unwrap();
- assert!(output.status.success());
+ if !output.status.success() {
+ println!("proc-macro-test-impl failed to build");
+ println!("============ stdout ============");
+ println!("{}", String::from_utf8_lossy(&output.stdout));
+ println!("============ stderr ============");
+ println!("{}", String::from_utf8_lossy(&output.stderr));
+ panic!("proc-macro-test-impl failed to build");
+ }
let mut artifact_path = None;
for message in Message::parse_stream(output.stdout.as_slice()) {