[BSP] use RT_USING_LIBC instead of RT_USING_NEWLIB

Author: BernardXiong

bsp/at91sam9260/rtconfig.h

@@ -64,7 +64,7 @@
 
 /* SECTION: the runtime libc library */
 /* the runtime libc library */
-#define RT_USING_NEWLIB
+#define RT_USING_LIBC
 #define RT_USING_PTHREADS
 
 /* Using Module System */

bsp/mini2440/rtconfig.h

@@ -87,8 +87,8 @@
 // </section>
 
 // <section name="LIBC" description="C Runtime library setting" default="always" >
-// <bool name="RT_USING_NEWLIB" description="Using newlib library, only available under GNU GCC" default="true" />
-#define RT_USING_NEWLIB
+// <bool name="RT_USING_LIBC" description="Using C library" default="true" />
+#define RT_USING_LIBC
 // <bool name="RT_USING_PTHREADS" description="Using POSIX threads library" default="true" />
 #define RT_USING_PTHREADS
 // </section>

bsp/stm32f0x/rtconfig.h

@@ -87,20 +87,7 @@
 #define FINSH_USING_DESCRIPTION
 
 /* SECTION: libc management */
-#ifdef __CC_ARM
-/* #define RT_USING_MINILIBC */
-/* #define RT_USING_NEWLIB */
-#endif
-
-#ifdef __ICCARM__
-/* #define RT_USING_MINILIBC */
-/* #define RT_USING_NEWLIB */
-#endif
-
-#ifdef __GNUC__
-/* #define RT_USING_MINILIBC */
-#define RT_USING_NEWLIB
-#endif
+#define RT_USING_LIBC
 
 /* SECTION: device filesystem */
 /* #define RT_USING_DFS */

bsp/zynq7000/rtconfig.h

@@ -103,8 +103,8 @@
 // </section>
 
 // <section name="LIBC" description="C Runtime library setting" default="always" >
-// <bool name="RT_USING_NEWLIB" description="Using newlib library, only available under GNU GCC" default="true" />
-#define RT_USING_NEWLIB
+// <bool name="RT_USING_LIBC" description="Using C library" default="true" />
+#define RT_USING_LIBC
 // <bool name="RT_USING_PTHREADS" description="Using POSIX threads library" default="true" />
 #define RT_USING_PTHREADS
 // </section>