--- cpio-2.4.2/rmt.c.ewt	Mon Aug 26 21:27:28 1996
+++ cpio-2.4.2/rmt.c	Mon Aug 26 21:27:49 1996
@@ -74,8 +74,12 @@
 char device[SSIZE];
 char count[SSIZE], mode[SSIZE], pos[SSIZE], op[SSIZE];
 
+#ifdef __GNU_LIBRARY__
+#include <errno.h>
+#else
 extern errno;
 extern char *sys_errlist[];
+#endif
 char resp[BUFSIZ];
 
 FILE *debug;