XXX: print libdevice/ files

Author: nnethercote

crates/cust_raw/build/cuda_sdk.rs

@@ -50,6 +50,35 @@ impl CudaSdk {
             .join("libdevice")
             .join("libdevice.10.bc");
         if !libdevice_bitcode_path.is_file() {
+            use std::fs;
+
+            eprintln!("1---");
+            let path = &cuda_root;
+            if let Ok(paths) = fs::read_dir(path) {
+                for path in paths {
+                    eprintln!("Name: {}", path.unwrap().path().display())
+                }
+            }
+            eprintln!("1---");
+
+            eprintln!("2---");
+            let path = cuda_root.join("nvvm");
+            if let Ok(paths) = fs::read_dir(path) {
+                for path in paths {
+                    eprintln!("Name: {}", path.unwrap().path().display())
+                }
+            }
+            eprintln!("2---");
+
+            eprintln!("3---");
+            let path = cuda_root.join("nvvm").join("libdevice");
+            if let Ok(paths) = fs::read_dir(path) {
+                for path in paths {
+                    eprintln!("Name: {}", path.unwrap().path().display())
+                }
+            }
+            eprintln!("3---");
+
             return Err(format!(
                 "libdevice bitcode file not found: {}.",
                 libdevice_bitcode_path.display()