1 files changed, 6 insertions, 0 deletions
diff --git a/src/libstd/env.rs b/src/libstd/env.rs
index 97c20ca9459..0354f7850f5 100644
--- a/src/libstd/env.rs
+++ b/src/libstd/env.rs
@@ -874,6 +874,7 @@ pub mod consts {
     /// - x86_64
     /// - arm
     /// - aarch64
+    /// - avr
     /// - mips
     /// - mips64
     /// - powerpc
@@ -986,6 +987,11 @@ mod arch {
     pub const ARCH: &str = "aarch64";
 }
 
+#[cfg(target_arch = "avr")]
+mod arch {
+    pub const ARCH: &'static str = "avr";
+}
+
 #[cfg(target_arch = "mips")]
 mod arch {
     pub const ARCH: &str = "mips";