--- meson.build.orig	2023-05-31 21:18:27 UTC
+++ meson.build
@@ -210,14 +210,14 @@ result = cc.run('''
 
   int main (int argc, char *argv[]) {
     char *modifiers[] = { "%Y", "%C%y", "%4Y", "%2C%y", NULL };
-    time_t timestamp = -58979923200; /* 0101-01-01T01:01:01Z */
+    time_t timestamp = 0; /* 1970-01-01T00:00:00Z */
     char *buf[100];
     struct tm tm;
     int i;
     gmtime_r (&timestamp, &tm);
     for (i = 0; modifiers[i]; i++) {
       strftime (&buf, sizeof buf, modifiers[i], &tm);
-      if (strcmp (&buf, "0101") == 0) {
+      if (strcmp (&buf, "1970") == 0) {
         printf ("%s", modifiers[i]);
 	return 0;
       }