1 files changed, 4 insertions, 0 deletions
diff --git a/build.rs b/build.rs
index b29f0bd..2419b4e 100644
--- a/build.rs
+++ b/build.rs
@@ -3,6 +3,10 @@ use std::env;
 fn main() {
     let target = env::var("TARGET").unwrap();
 
+    if target.starts_with("thumbv6m") {
+        println!("cargo:rustc-cfg=armv6m")
+    }
+
     if target.starts_with("thumbv7m") | target.starts_with("thumbv7em") {
         println!("cargo:rustc-cfg=armv7m")
     }