Rerun build script if KERNEL environment variable has changed

phil-opp · phil-opp · commit 01a0828f138a · 2019-04-01T12:55:41.000+02:00
diff --git a/build.rs b/build.rs
@@ -74,6 +74,7 @@ fn main() {
         process::exit(1);
     }
 
+    println!("cargo:rerun-if-env-changed=KERNEL");
     println!("cargo:rerun-if-changed={}", kernel.display());
     println!("cargo:rerun-if-changed=build.rs");
     println!("cargo:rustc-link-search=native={}", out_dir.display());

Original file line number	Diff line number	Diff line change
`@@ -74,6 +74,7 @@ fn main() {`
`74`	`74`	`process::exit(1);`
`75`	`75`	`}`
`76`	`76`
	`77`	`+ println!("cargo:rerun-if-env-changed=KERNEL");`
`77`	`78`	`println!("cargo:rerun-if-changed={}", kernel.display());`
`78`	`79`	`println!("cargo:rerun-if-changed=build.rs");`
`79`	`80`	`println!("cargo:rustc-link-search=native={}", out_dir.display());`