message: Compile has_ipdevice only with newlib feature
diff: @@ -129,6 +129,7 @@ static mut BOOT_INFO: *mut BootInfo = ptr::null_mut();
  /// Serial port to print kernel messages
  static mut COM1: SerialPort = SerialPort::new(0x3f8);
  +#[cfg(feature = "newlib")]
  pub fn has_ipdevice() -> bool {
  let ip = unsafe { core::ptr::read_volatile(&(*BOOT_INFO).hcip) };
  