Index: boot/Makefile.build
===================================================================
--- boot/Makefile.build	(revision b1c57a828cb73794beb6a309f5ec0199ca75ecc2)
+++ boot/Makefile.build	(revision 1dc5eb7c05ae8c567fc34b39080622ff311a681e)
@@ -34,5 +34,5 @@
 OPTIMIZATION = 3
 
-DEFS = -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
+DEFS = -DBOOT -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
 
 GCC_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \