1 files changed, 9 insertions, 0 deletions
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..f8ad163
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,9 @@
+use std::env;
+
+fn main() {
+    let target = env::var("TARGET").unwrap();
+
+    if target.starts_with("thumbv6m-") {
+        println!("cargo:rustc-cfg=armv6m")
+    }
+}