3 files changed, 7 insertions, 5 deletions
diff --git a/src/liballoc/arc.rs b/src/liballoc/arc.rs
index 21b9c060f6f..24b4abbff4a 100644
--- a/src/liballoc/arc.rs
+++ b/src/liballoc/arc.rs
@@ -311,7 +311,7 @@ impl<T: Sync + Send> Drop for Arc<T> {
     ///
     ///     // stuff
     ///
-    ///     drop(five); // explict drop
+    ///     drop(five); // explicit drop
     /// }
     /// {
     ///     let five = Arc::new(5);
@@ -441,7 +441,7 @@ impl<T: Sync + Send> Drop for Weak<T> {
     ///
     ///     // stuff
     ///
-    ///     drop(weak_five); // explict drop
+    ///     drop(weak_five); // explicit drop
     /// }
     /// {
     ///     let five = Arc::new(5);
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 99423349020..d99a5e2cc6d 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -73,7 +73,9 @@
 #![feature(unboxed_closures)]
 #![feature(core)]
 #![feature(hash)]
-#![feature(libc)]
+#![cfg_attr(all(not(feature = "external_funcs"), not(feature = "external_crate")),
+            feature(libc))]
+
 
 #[macro_use]
 extern crate core;
diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index 80ffa4a0a19..614fe094e30 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -383,7 +383,7 @@ impl<T> Drop for Rc<T> {
     ///
     ///     // stuff
     ///
-    ///     drop(five); // explict drop
+    ///     drop(five); // explicit drop
     /// }
     /// {
     ///     let five = Rc::new(5);
@@ -688,7 +688,7 @@ impl<T> Drop for Weak<T> {
     ///
     ///     // stuff
     ///
-    ///     drop(weak_five); // explict drop
+    ///     drop(weak_five); // explicit drop
     /// }
     /// {
     ///     let five = Rc::new(5);