strchr() is false defined here
--- w-tzdata-2013d-1.orig/date.c	2013-05-28 06:26:18.000000000 +0200
+++ w-tzdata-2013d-1/date.c	2013-08-14 12:54:54.000000000 +0200
@@ -60,7 +60,6 @@ extern char *		getlogin();
 extern time_t		mktime();
 extern char *		optarg;
 extern int		optind;
-extern char *		strchr();
 extern time_t		time();
 extern char *		tzname[2];