From 49412ce0f78b851d6ebc96ef3b3eec46e7918f3a Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Mon, 3 Jan 2022 18:01:33 -0500
Subject: [PATCH] implement workaround windows from
 https://github.com/fmtlib/fmt/issues/2691

this also reverts commit c5a7f4c3ac36e6593078d5e85860341336c0847d
and thus results in consistent crt behavior on windows
---
 cmake/CMakeLists.txt | 2 +-
 src/fmt/chrono.h     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 60c7269b1fd..408528f6dd8 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -629,7 +629,7 @@ endif()
 # and after everything else that is compiled locally
 ######################################################################
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
-  target_link_libraries(lammps PRIVATE "wsock32;psapi;ucrt")
+  target_link_libraries(lammps PRIVATE "wsock32;psapi")
 endif()
 
 ######################################################
diff --git a/src/fmt/chrono.h b/src/fmt/chrono.h
index 31fee070afd..908999ab5f5 100644
--- a/src/fmt/chrono.h
+++ b/src/fmt/chrono.h
@@ -1082,7 +1082,7 @@ template <typename OutputIt, typename Char> class tm_writer {
   }
   template <typename T, FMT_ENABLE_IF(!has_member_data_tm_gmtoff<T>::value)>
   void format_utc_offset_impl(const T& tm) {
-#if defined(_WIN32)
+#if defined(_WIN32) && defined(_UCRT)
 #  if FMT_USE_TZSET
     tzset_once();
 #  endif