From 2d709470440b2ca1911a6a4cee5016664937638e Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Wed, 23 Apr 2025 21:00:07 -0400
Subject: [PATCH] two more workarounds for compilation with
 -DFMT_STATIC_THOUSANDS_SEPARATOR

---
 src/info.cpp  | 10 ++++++++++
 src/timer.cpp |  9 +++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/info.cpp b/src/info.cpp
index 160879577f..39ad7b2788 100644
--- a/src/info.cpp
+++ b/src/info.cpp
@@ -44,7 +44,9 @@
 #include "region.h"
 #include "update.h"
 #include "variable.h"
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
 #include "fmt/chrono.h"
+#endif
 
 #include <cctype>
 #include <cmath>
@@ -270,8 +272,16 @@ void Info::command(int narg, char **arg)
   if (out == nullptr) return;
 
   fputs("\nInfo-Info-Info-Info-Info-Info-Info-Info-Info-Info-Info\n",out);
+#if defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+  {
+    time_t tv = time(nullptr);
+    struct tm *now = localtime(&tv);
+    utils::print(out, "Printed on {}", asctime(now));
+  }
+#else
   std::tm now = fmt::localtime(std::time(nullptr));
   utils::print(out,"Printed on {}", std::asctime(&now));
+#endif
 
   if (flags & CONFIG) {
     utils::print(out,"\nLAMMPS version: {} / {}\n", lmp->version, lmp->num_ver);
diff --git a/src/timer.cpp b/src/timer.cpp
index dea008a3c9..219cad20b4 100644
--- a/src/timer.cpp
+++ b/src/timer.cpp
@@ -15,7 +15,9 @@
 
 #include "comm.h"
 #include "error.h"
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
 #include "fmt/chrono.h"
+#endif
 #include "tokenizer.h"
 
 #include <cstring>
@@ -264,8 +266,15 @@ void Timer::modify_params(int narg, char **arg)
     // format timeout setting
     std::string timeout = "off";
     if (_timeout >= 0.0) {
+#if defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+      char outstr[200];
+      struct tm *tv = gmtime(&((time_t) _timeout));
+      strftime(outstr, 200, "%02d:%M:%S", tv)
+      timeout = outstr;
+#else
       std::tm tv = fmt::gmtime((std::time_t) _timeout);
       timeout = fmt::format("{:02d}:{:%M:%S}", tv.tm_yday * 24 + tv.tm_hour, tv);
+#endif
     }
 
     utils::logmesg(lmp, "New timer settings: style={}  mode={}  timeout={}\n", timer_style[_level],