Previous version which works for my stm32f401 Nucleo board

Fork of X_NUCLEO_IDB0XA1 by ST

Revision:
90:26c0c9807ab4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BlueNRG_HCI/includes/compiler.h	Wed Jul 22 11:25:50 2015 +0200
@@ -0,0 +1,34 @@
+/******************** (C) COPYRIGHT 2012 STMicroelectronics ********************
+* File Name          : compiler.h
+* Author             : AMS - HEA&RF BU
+* Version            : V1.0.0
+* Date               : 19-July-2012
+* Description        : Compiler-dependent macros.
+********************************************************************************
+* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
+* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
+* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
+* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
+* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+*******************************************************************************/
+
+#ifndef DOXYGEN_SHOULD_SKIP_THIS
+
+#ifdef __ICCARM__
+#define PACKED
+#else
+#ifdef __GNUC__
+#undef __packed
+#define __packed
+#define PACKED __attribute__((packed))
+#else
+#define PACKED
+#define __packed
+#endif
+#endif
+
+/* Change this define to 1 if zero-length arrays are not supported by your compiler. */
+#define VARIABLE_SIZE 1
+
+#endif /* DOXYGEN_SHOULD_SKIP_THIS */