* archive.c (offsetof): Remove define.

* elf.c: Likewise.
	* oasys.c: Likewise
	* sysdep.h (offsetof): Define.

bfd/sysdep.h

@@ -125,6 +125,12 @@ extern void free ();
 extern char *getenv ();
 #endif
 
+/* Define offsetof for those systems which lack it */
+
+#ifndef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
 #ifdef ENABLE_NLS
 #include <libintl.h>
 /* Note the use of dgetext() and PACKAGE here, rather than gettext().