From b1015f5c5a4dcd6118b86ef5361371f04a7bce8b Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <jorge@japaric.io>
Date: Wed, 4 Apr 2018 22:42:56 +0200
Subject: [PATCH] compile other no-std crates

---
 src/bootstrap/compile.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
index eaf4ab272c68e..51e7a78831585 100644
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -145,8 +145,11 @@ pub fn std_cargo(build: &Builder,
     }
 
     if build.no_std(target) == Some(true) {
-        // for no-std targets we only compile core and compiler-builtins
+        // for no-std targets we only compile a few no_std crates
         cargo.arg("--features").arg("c mem")
+            .args(&["-p", "alloc"])
+            .args(&["-p", "compiler_builtins"])
+            .args(&["-p", "std_unicode"])
             .arg("--manifest-path")
             .arg(build.src.join("src/rustc/compiler_builtins_shim/Cargo.toml"));
     } else {