Don't build relocate() under KEEP_IT_REAL

src/arch/i386/core/relocate.c

 #include "etherboot.h"
 #include "relocate.h"
 
+#ifndef KEEP_IT_REAL
+
 /* by Eric Biederman */
 
 /* On some platforms etherboot is compiled as a shared library, and we use
 		 */
 	}
 }
+
+#endif /* ! KEEP_IT_REAL */

src/arch/i386/include/relocate.h

 #ifndef RELOCATE_H
 #define RELOCATE_H
 
+#ifdef KEEP_IT_REAL
+
+/* relocate() is conceptually impossible with KEEP_IT_REAL */
+#define relocate()
+
+#else
+
 extern void relocate ( void );
 
+#endif
+
 #endif /* RELOCATE_H */