IOSS: See if this fixes ubuntu spack build

Author: gsjaardema

packages/seacas/libraries/ioss/src/Ioss_Utils.C

@@ -158,6 +158,17 @@ std::ostream &Ioss::Utils::get_debug_stream() { return *m_debugStream; }
 
 void Ioss::Utils::time_and_date(char *time_string, char *date_string, size_t length)
 {
+#if FMT_VERSION < 110000
+  std::time_t t    = std::time(nullptr);
+  std::string time = fmt::format("{:%H:%M:%S}", *std::localtime(&t));
+   std::string date;
+   if (length >= 10) {
+    date = fmt::format("{:%Y/%m/%d}", *std::localtime(&t));
+   }
+   else {
+    date = fmt::format("{:%y/%m/%d}", *std::localtime(&t));
+   }
+#else
   auto        now  = std::chrono::system_clock::now();
   std::string time = fmt::format("{:%T}", std::chrono::time_point_cast<std::chrono::seconds>(now));
   std::string date;
@@ -167,6 +178,7 @@ void Ioss::Utils::time_and_date(char *time_string, char *date_string, size_t len
   else {
     date = fmt::format("{:%y/%m/%d}", now);
   }
+#endif
   copy_string(time_string, time, 9);
   copy_string(date_string, date, length + 1);
 }