Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv/build.rs')
-rw-r--r--crates/proc-macro-srv/build.rs18
1 files changed, 3 insertions, 15 deletions
diff --git a/crates/proc-macro-srv/build.rs b/crates/proc-macro-srv/build.rs
index 874d1c6cd3..9a17cfc9f3 100644
--- a/crates/proc-macro-srv/build.rs
+++ b/crates/proc-macro-srv/build.rs
@@ -1,27 +1,15 @@
//! Determine rustc version `proc-macro-srv` (and thus the sysroot ABI) is
//! build with and make it accessible at runtime for ABI selection.
-use std::{env, fs::File, io::Write, path::PathBuf, process::Command};
+use std::{env, process::Command};
fn main() {
- println!("cargo:rustc-check-cfg=cfg(rust_analyzer)");
-
- let mut path = PathBuf::from(env::var_os("OUT_DIR").unwrap());
- path.push("rustc_version.rs");
- let mut f = File::create(&path).unwrap();
+ println!("cargo::rustc-check-cfg=cfg(rust_analyzer)");
let rustc = env::var("RUSTC").expect("proc-macro-srv's build script expects RUSTC to be set");
let output = Command::new(rustc).arg("--version").output().expect("rustc --version must run");
let version_string = std::str::from_utf8(&output.stdout[..])
.expect("rustc --version output must be UTF-8")
.trim();
-
- write!(
- f,
- "
- #[allow(dead_code)]
- pub(crate) const RUSTC_VERSION_STRING: &str = {version_string:?};
- "
- )
- .unwrap();
+ println!("cargo::rustc-env=RUSTC_VERSION={}", version_string);
}