--- wireless_tools.30-orig/ifrename.c
+++ wireless_tools.30/ifrename.c
@@ -45,6 +45,7 @@
 #define _GNU_SOURCE
 #endif
 
+#include <libgen.h>             /* basename */
 #include <getopt.h>		/* getopt_long() */
 #include <linux/sockios.h>	/* SIOCSIFNAME */
 #include <fnmatch.h>		/* fnmatch() */