Support building `cfg=c_bindings` with `no-std`

[rust-lightning] / lightning / src / util / logger.rs

diff --git a/lightning/src/util/logger.rs b/lightning/src/util/logger.rs
index f8fc1eda1080e6bf3ad3aed723ac553d6bf5daa3..ff576e26ddf4ca485d648c943ad3f36384b30653 100644 (file)
--- a/lightning/src/util/logger.rs
+++ b/lightning/src/util/logger.rs
@@ -17,6 +17,9 @@
 use core::cmp;
 use core::fmt;
 
+#[cfg(c_bindings)]
+use prelude::*; // Needed for String
+
 static LOG_LEVEL_NAMES: [&'static str; 6] = ["GOSSIP", "TRACE", "DEBUG", "INFO", "WARN", "ERROR"];
 
 /// An enum representing the available verbosity levels of the logger.