1 files changed, 3 insertions, 0 deletions
diff --git a/elf/link.h b/elf/link.h
index b0b920074b..62bf74c23b 100644
--- a/elf/link.h
+++ b/elf/link.h
@@ -18,9 +18,12 @@
    Boston, MA 02111-1307, USA.  */
 
 #ifndef	_LINK_H
+
 #define	_LINK_H	1
+#include <features.h>
 
 #define __need_size_t
+#define __need_NULL
 #include <stddef.h>
 
 #include <elf.h>