FS#7353 - mktime() is only used by targets that have an RTC

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13883 a1c6a512-1295-4272-9138-f99709370657

firmware/common/timefuncs.c

@@ -131,6 +131,7 @@ int set_time(const struct tm *tm)
 #endif
 }
 
+#if CONFIG_RTC
 /* mktime() code taken from lynx-2.8.5 source, written
  by Philippe De Muyter <phdm@macqel.be> */
 time_t mktime(struct tm *t)
@@ -165,3 +166,4 @@ time_t mktime(struct tm *t)
     result += t->tm_sec;
     return(result);
 }
+#endif

firmware/include/timefuncs.h

@@ -27,6 +27,8 @@
 struct tm *get_time(void);
 int set_time(const struct tm *tm);
 bool valid_time(const struct tm *tm);
+#if CONFIG_RTC
 time_t mktime(struct tm *t);
+#endif
 
 #endif /* _TIMEFUNCS_H_ */