From 931288dcbd8b7007c3f5e70c06a97f8e8c62ecd6 Mon Sep 17 00:00:00 2001
From: Joey Yandle <xoloki@gmail.com>
Date: Fri, 2 Aug 2019 13:20:39 -0700
Subject: [PATCH] fix yoloproofs, only include them in std mode

---
 src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 9ab8e516..afaf5829 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -19,6 +19,9 @@ cfg_if::cfg_if! {
 #[cfg(feature = "std")]
 extern crate core;
 
+#[cfg(feature = "std")]
+extern crate rand;
+
 extern crate digest;
 extern crate rand_core;
 extern crate sha3;
@@ -68,4 +71,8 @@ pub mod range_proof_mpc {
 }
 
 #[cfg(feature = "yoloproofs")]
-pub mod r1cs;
+cfg_if::cfg_if! {
+    if #[cfg(feature = "std")] {
+        pub mod r1cs;
+    }
+}