diff --git libelf/libelf.h libelf/libelf.h
index 5a2b3af..4ead65a 100644
--- libelf/libelf.h
+++ libelf/libelf.h
@@ -34,6 +34,11 @@
 /* Get the ELF types.  */
 #include <elf.h>
 
+#ifndef _LIBC
+#ifndef __mempcpy
+#define __mempcpy mempcpy
+#endif
+#endif
 
 /* Known translation types.  */
 typedef enum