Add support for env_logger

When RUST_LOG environment variable is set, uses env_logger instead of
our custom logger. This is desirable for debugging purposes.

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index fb31a1d7..04c02385 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ unicode-width = "0.1.4"
 arraydeque = "0.2.3"
 glutin = "0.9.2"
 clippy = { version = "*", optional = true }
-
+env_logger = "0.4"
 
 [target.'cfg(any(target_os = "linux", target_os = "freebsd", target_os="dragonfly", target_os="openbsd"))'.dependencies]
 x11-dl = "2"