Avoid redefining __{packed,aligned,unused,section}

It seems modern version of newlib define those themselves, so we should
avoid re-defining them.  Removes tons of compiler warnings when
compiling against libnewlib 2.4.0

1 files changed, 10 insertions, 0 deletions

diff --git a/src/target/firmware/include/defines.h b/src/target/firmware/include/defines.h
index 3c8732f9..e5d5436d 100644
--- a/src/target/firmware/include/defines.h
+++ b/src/target/firmware/include/defines.h
@@ -5,12 +5,22 @@
 #define __attribute_const__	__attribute__((__const__))
 
 /* type properties */
+#ifndef __packed
 #define __packed		__attribute__((packed))
+#endif
+
+#ifndef __aligned
 #define __aligned(alignment)	__attribute__((aligned(alignment)))
+#endif
+
+#ifndef __unused
 #define __unused		__attribute__((unused))
+#endif
 
 /* linkage */
+#ifndef __section
 #define __section(name) __attribute__((section(name)))
+#endif
 
 /* force placement in zero-waitstate memory */
 #define __ramtext __section(".ramtext")