only rerun build.rs when something in src/ has changed

by default (when no rerun-if is emitted) build.rs is rerun if something in the package changes

diff --git a/build.rs b/build.rs
index 3571199e417ac996148f6098b920f86fcff61c54..e0f1d16ea2aa0e9b9d6ebb2bc885265c93c7a783 100644 (file)
--- a/build.rs
+++ b/build.rs
@@ -83,4 +83,6 @@ fn main() {
         .arg(static_atoms_path.as_os_str())
         .spawn().unwrap()
         .wait().unwrap();
+
+    println!("cargo:rerun-if-changed=src/");
 }