+static int find_first_weekday(void){
+ static int first_weekday = -1;
+ if (first_weekday == -1){
+#ifdef HAVE__NL_TIME_WEEK_1STDAY
+ /* according to http://sourceware.org/ml/libc-locales/2009-q1/msg00011.html */
+ long week_1stday_l = (long) nl_langinfo (_NL_TIME_WEEK_1STDAY);
+ if (week_1stday_l == 19971130) first_weekday = 0; /* Sun */
+ else if (week_1stday_l == 19971201) first_weekday = 1; /* Mon */
+ else first_weekday = 1; /* we go for a monday default */
+#else
+ first_weekday = 1;
+#endif
+ }
+ return first_weekday;
+}