From 72802069a20b8db50fc4a896fea130f6549faa33 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <japaricious@gmail.com>
Date: Thu, 29 Sep 2016 19:45:59 -0500
Subject: [PATCH] build.rs: print rerun-if-change for all the C/asm sources

---
 build.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/build.rs b/build.rs
index f58ea5b..a05a1a5 100644
--- a/build.rs
+++ b/build.rs
@@ -406,7 +406,9 @@ fn main() {
         }
 
         for src in sources.map.values() {
-            cfg.file(Path::new("compiler-rt/compiler-rt-cdylib/compiler-rt/lib/builtins").join(src));
+            let src = Path::new("compiler-rt/compiler-rt-cdylib/compiler-rt/lib/builtins").join(src);
+            cfg.file(&src);
+            println!("cargo:rerun-if-changed={}", src.display());
         }
 
         cfg.compile("libcompiler-rt.a");