diff -uNr cpio-2.5.90.orig/lib/argp-pvh.c cpio-2.5.90/lib/argp-pvh.c
--- cpio-2.5.90.orig/lib/argp-pvh.c	Wed Dec 29 14:45:00 2004
+++ cpio-2.5.90/lib/argp-pvh.c	Wed Dec 29 14:45:22 2004
@@ -28,4 +28,4 @@
    this function with a stream to print the version to and a pointer to the
    current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
    used).  This variable takes precedent over ARGP_PROGRAM_VERSION.  */
-void (*argp_program_version_hook) (FILE *stream, struct argp_state *state);
+void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = NULL;