1 files changed, 29 insertions, 0 deletions
diff --git a/cortex-m-rt/build.rs b/cortex-m-rt/build.rs
new file mode 100644
index 0000000..c52b434
--- /dev/null
+++ b/cortex-m-rt/build.rs
@@ -0,0 +1,29 @@
+#[cfg(feature = "linker-script")]
+mod imp {
+    use std::env;
+    use std::fs::File;
+    use std::io::Write;
+    use std::path::PathBuf;
+
+    pub fn main() {
+        // Put the linker script somewhere the linker can find it
+        let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
+        File::create(out.join("link.x"))
+            .unwrap()
+            .write_all(include_bytes!("link.x"))
+            .unwrap();
+        println!("cargo:rustc-link-search={}", out.display());
+
+        println!("cargo:rerun-if-changed=build.rs");
+        println!("cargo:rerun-if-changed=link.x");
+    }
+}
+
+#[cfg(not(feature = "linker-script"))]
+mod imp {
+    pub fn main() {}
+}
+
+fn main() {
+    imp::main();
+}