From d1475d0d2c2abadee8348cab67a9b6a8fd0a909a Mon Sep 17 00:00:00 2001
From: Fenrir <fenrirwolf@gmail.com>
Date: Sun, 21 Jan 2018 19:00:05 -0700
Subject: [PATCH] Ensure that the sysroot uses its own libc

---
 ctr-std/Cargo.toml  | 5 +----
 ctru-sys/Cargo.toml | 3 +++
 ctru-sys/src/lib.rs | 2 ++
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/ctr-std/Cargo.toml b/ctr-std/Cargo.toml
index be1717f..e41e2eb 100644
--- a/ctr-std/Cargo.toml
+++ b/ctr-std/Cargo.toml
@@ -9,12 +9,9 @@ git = "https://github.com/rust-lang-nursery/compiler-builtins"
 [dependencies.alloc_system]
 git = "https://github.com/rust3ds/alloc_system3ds"
 
-[dependencies.libc]
-version = "0.2"
-default-features = false
-
 [dependencies.ctru-sys]
 path = "../ctru-sys"
+default-features = false
 features = ["stdbuild"]
 
 [features]
diff --git a/ctru-sys/Cargo.toml b/ctru-sys/Cargo.toml
index 7dd0b02..4d1d0cf 100644
--- a/ctru-sys/Cargo.toml
+++ b/ctru-sys/Cargo.toml
@@ -7,8 +7,11 @@ license = "https://en.wikipedia.org/wiki/Zlib_License"
 [dependencies.libc]
 version = "0.2"
 default-features = false
+optional = true
 
 [features]
+default = ["libc"]
+
 # This is a dummy feature that only exists to work around a Xargo issue.
 # User code should not enable it.
 stdbuild = []
diff --git a/ctru-sys/src/lib.rs b/ctru-sys/src/lib.rs
index 053d86d..4b40a5c 100644
--- a/ctru-sys/src/lib.rs
+++ b/ctru-sys/src/lib.rs
@@ -7,6 +7,8 @@
 
 #![no_std]
 
+#![cfg_attr(feature = "stdbuild", feature(libc))]
+
 extern crate libc;
 
 include!("bindings.rs");