Import semihosting crates as-is

1 files changed, 22 insertions, 0 deletions

diff --git a/cortex-m-semihosting/build.rs b/cortex-m-semihosting/build.rs
new file mode 100644
index 0000000..4f4a6d6
--- /dev/null
+++ b/cortex-m-semihosting/build.rs
@@ -0,0 +1,22 @@
+use std::path::PathBuf;
+use std::{env, fs};
+
+fn main() {
+    let target = env::var("TARGET").unwrap();
+    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+    let name = env::var("CARGO_PKG_NAME").unwrap();
+
+    if target.starts_with("thumbv") {
+        if env::var_os("CARGO_FEATURE_INLINE_ASM").is_none() {
+            fs::copy(
+                format!("bin/{}.a", target),
+                out_dir.join(format!("lib{}.a", name)),
+            ).unwrap();
+
+            println!("cargo:rustc-link-lib=static={}", name);
+            println!("cargo:rustc-link-search={}", out_dir.display());
+        }
+
+        println!("cargo:rustc-cfg=thumb");
+    }
+}