From 5887ee5018c064805a97af9e8331c3bf9571d9e5 Mon Sep 17 00:00:00 2001
From: Robin Kruppe <robin.kruppe@gmail.com>
Date: Wed, 16 Nov 2016 23:34:15 +0100
Subject: [PATCH] Rebuild rustc_llvm when the rustllvm source files change

---
 src/librustc_llvm/build.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/librustc_llvm/build.rs b/src/librustc_llvm/build.rs
index 8656bb8bf0036..10ea6459d97bc 100644
--- a/src/librustc_llvm/build.rs
+++ b/src/librustc_llvm/build.rs
@@ -116,6 +116,9 @@ fn main() {
         cfg.flag("-DLLVM_RUSTLLVM");
     }
 
+    println!("cargo:rerun-if-changed=../rustllvm/PassWrapper.cpp");
+    println!("cargo:rerun-if-changed=../rustllvm/RustWrapper.cpp");
+    println!("cargo:rerun-if-changed=../rustllvm/ArchiveWrapper.cpp");
     cfg.file("../rustllvm/PassWrapper.cpp")
        .file("../rustllvm/RustWrapper.cpp")
        .file("../rustllvm/ArchiveWrapper.cpp")