From e330d4b8bc5ac5baa512a9a9fad9e151769fc2bf Mon Sep 17 00:00:00 2001
From: Jan Niklas Hasse <jhasse@gmail.com>
Date: Sat, 11 Jan 2014 20:44:39 +0100
Subject: [PATCH] Use target libraries instead of host libraries. Fixes #11243

---
 src/librustpkg/context.rs   | 3 ++-
 src/librustpkg/path_util.rs | 5 ++---
 src/librustpkg/util.rs      | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/librustpkg/context.rs b/src/librustpkg/context.rs
index 681ae1dc807..96b7669d5ca 100644
--- a/src/librustpkg/context.rs
+++ b/src/librustpkg/context.rs
@@ -163,7 +163,8 @@ impl Context {
 pub fn in_target(sysroot: &Path) -> bool {
     debug!("Checking whether {} is in target", sysroot.display());
     let mut p = sysroot.dir_path();
-    p.set_filename(rustlibdir());
+    p.pop();
+    p.push(rustlibdir());
     p.is_dir()
 }
 
diff --git a/src/librustpkg/path_util.rs b/src/librustpkg/path_util.rs
index aaaf56af436..78ff748c3b9 100644
--- a/src/librustpkg/path_util.rs
+++ b/src/librustpkg/path_util.rs
@@ -17,7 +17,7 @@ pub use target::{OutputType, Main, Lib, Test, Bench, Target, Build, Install};
 pub use version::{Version, ExactRevision, NoVersion, split_version, split_version_general,
     try_parsing_version};
 pub use rustc::metadata::filesearch::rust_path;
-use rustc::metadata::filesearch::libdir;
+use rustc::metadata::filesearch::{libdir, relative_target_lib_path};
 use rustc::driver::driver::host_triple;
 
 use std::libc;
@@ -213,10 +213,9 @@ pub fn library_in_workspace(path: &Path, short_name: &str, where: Target,
     library_in(short_name, version, &dir_to_search)
 }
 
-// rustc doesn't use target-specific subdirectories
 pub fn system_library(sysroot: &Path, crate_id: &str) -> Option<Path> {
     let (lib_name, version) = split_crate_id(crate_id);
-    library_in(lib_name, &version, &sysroot.join(libdir()))
+    library_in(lib_name, &version, &sysroot.join(relative_target_lib_path(host_triple())))
 }
 
 fn library_in(short_name: &str, version: &Version, dir_to_search: &Path) -> Option<Path> {
diff --git a/src/librustpkg/util.rs b/src/librustpkg/util.rs
index c1fa67171b5..1c76b652975 100644
--- a/src/librustpkg/util.rs
+++ b/src/librustpkg/util.rs
@@ -459,7 +459,7 @@ impl<'a> Visitor<()> for ViewItemVisitor<'a> {
                 };
                 debug!("Finding and installing... {}", lib_name);
                 // Check standard Rust library path first
-                let whatever = system_library(&self.context.sysroot(), lib_name);
+                let whatever = system_library(&self.context.sysroot_to_use(), lib_name);
                 debug!("system library returned {:?}", whatever);
                 match whatever {
                     Some(ref installed_path) => {