Add rerun-if-env-changed=RUST_CHECK to librustc_llvm

rust-lang · Apr 18, 2018 · 86acb09 · 86acb09
1 parent 84f52a7
commit 86acb09
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/librustc_llvm/build.rs b/src/librustc_llvm/build.rs
@@ -30,6 +30,7 @@ fn detect_llvm_link() -> (&'static str, &'static str) {
 fn main() {
     if env::var_os("RUST_CHECK").is_some() {
         // If we're just running `check`, there's no need for LLVM to be built.
+        println!("cargo:rerun-if-env-changed=RUST_CHECK");
         return;
     }