From 08db8f31d38ce77e0562cf2a9a07ba6cf4949408 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Wed, 21 Nov 2018 12:55:06 -0800
Subject: [PATCH] Add metadata for where compiler-rt is located

Compiler crates will need to use this!
---
 library/compiler-builtins/Cargo.toml | 1 +
 library/compiler-builtins/build.rs   | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/library/compiler-builtins/Cargo.toml b/library/compiler-builtins/Cargo.toml
index 97cad699cb99..5b9469b3d2bc 100644
--- a/library/compiler-builtins/Cargo.toml
+++ b/library/compiler-builtins/Cargo.toml
@@ -11,6 +11,7 @@ description = """
 Compiler intrinsics used by the Rust compiler. Also available for other targets
 if necessary!
 """
+links = 'compiler-rt'
 
 [lib]
 test = false
diff --git a/library/compiler-builtins/build.rs b/library/compiler-builtins/build.rs
index f5ada024f41e..752bba1343f6 100644
--- a/library/compiler-builtins/build.rs
+++ b/library/compiler-builtins/build.rs
@@ -4,6 +4,9 @@ fn main() {
     println!("cargo:rerun-if-changed=build.rs");
 
     let target = env::var("TARGET").unwrap();
+    let cwd = env::current_dir().unwrap();
+
+    println!("cargo:compiler-rt={}", cwd.join("compiler-rt").display());
 
     // Emscripten's runtime includes all the builtins
     if target.contains("emscripten") {