fix rust/SConscript

Author: foxg1ove1

components/rust/SConscript

@@ -2,8 +2,18 @@
 import os
 from building import *
 
-cwd = GetCurrentDir()
 objs = []
+
+def _has(sym: str) -> bool:
+    try:
+        return bool(GetDepend([sym]))
+    except Exception:
+        return bool(GetDepend(sym))
+
+if not _has('RT_USING_RUST'):
+    Return('objs')
+
+cwd = GetCurrentDir()
 entries = os.listdir(cwd)
 
 for d in entries:

components/rust/core/src/bindings/libc.rs

@@ -22,7 +22,7 @@ pub const RTLD_LAZY: c_int = 0x00000;       // Lazy function call binding
 pub const RTLD_NOW: c_int = 0x00001;        // Immediate function call binding
 pub const RTLD_GLOBAL: c_int = 0x10000;     // Make symbols globally available
 pub const RTLD_LOCAL: c_int = 0x00000;      // Default local
-// fcntl.h interent constants
+// fcntl.h integer constants
 pub const O_RDONLY: c_int = 0x0000;         // open for reading only 
 pub const O_WRONLY: c_int = 0x0001;         // open for writing only 
 pub const O_RDWR: c_int = 0x0002;           // open for reading and writing 

components/rust/examples/application/fs/src/lib.rs

@@ -6,7 +6,7 @@
  *
  * Change Logs:
  * Date           Author       notes
- * 2025-10-20     foxglove     Rust file opration test.
+ * 2025-10-20     foxglove     Rust file operation test.
  * 2025-10-29     foxglove     Updated to demonstrate new modular macro interface
  */
 #![no_std]