From 15efa97252d6935b4c1ec4078a4aad5e7d541443 Mon Sep 17 00:00:00 2001
From: Jian Chen <cjian@microsoft.com>
Date: Mon, 3 Jun 2024 19:37:05 -0400
Subject: [PATCH] Deprecate date with std::chrono

---
 cmake/deps.txt                                        |  1 -
 include/onnxruntime/core/common/logging/logging.h     | 11 -----------
 .../core/platform/posix/logging/syslog_sink.cc        |  1 -
 onnxruntime/core/platform/windows/logging/etw_sink.h  |  1 -
 onnxruntime/test/util/include/capturing_sink.h        |  2 --
 5 files changed, 16 deletions(-)

diff --git a/cmake/deps.txt b/cmake/deps.txt
index d4d19dea08c8b..888923a9d8997 100644
--- a/cmake/deps.txt
+++ b/cmake/deps.txt
@@ -15,7 +15,6 @@
 abseil_cpp;https://github.com/abseil/abseil-cpp/archive/refs/tags/20240116.0.zip;bc2cec6baaad67fcb6c0c38972b687d4797927e9
 coremltools;https://github.com/apple/coremltools/archive/refs/tags/7.1.zip;f1bab0f30966f2e217d8e01207d518f230a1641a
 cxxopts;https://github.com/jarro2783/cxxopts/archive/3c73d91c0b04e2b59462f0a741be8c07024c1bc0.zip;6c6ca7f8480b26c8d00476e0e24b7184717fe4f0
-date;https://github.com/HowardHinnant/date/archive/refs/tags/v3.0.1.zip;2dac0c81dc54ebdd8f8d073a75c053b04b56e159
 dlpack;https://github.com/dmlc/dlpack/archive/refs/tags/v0.6.zip;4d565dd2e5b31321e5549591d78aa7f377173445
 # This Eigen commit id matches the eigen archive being consumed from https://gitlab.com/libeigen/eigen/-/archive/3.4/eigen-3.4.zip
 # prior to the 3.4.1 RC changing the bits and invalidating the hash.
diff --git a/include/onnxruntime/core/common/logging/logging.h b/include/onnxruntime/core/common/logging/logging.h
index f62053a5e44ab..7b833c6a751de 100644
--- a/include/onnxruntime/core/common/logging/logging.h
+++ b/include/onnxruntime/core/common/logging/logging.h
@@ -16,10 +16,6 @@
 #include "core/common/logging/capture.h"
 #include "core/common/logging/severity.h"
 
-#include "core/common/logging/macros.h"
-
-#include "date/date.h"
-
 /*
 
   Logging overview and expected usage:
@@ -58,14 +54,7 @@ namespace logging {
 
 using Timestamp = std::chrono::time_point<std::chrono::system_clock>;
 
-// TODO: When other compilers support std::chrono::operator<<, update this.
-// TODO: Check support for other compilers' version before enable C++20 for other compilers.
-// Xcode added support for C++20's std::chrono::operator<< in SDK version 14.4.
-#if __cplusplus >= 202002L && __MAC_OS_X_VERSION_MAX_ALLOWED >= 140400L
 namespace timestamp_ns = std::chrono;
-#else
-namespace timestamp_ns = ::date;
-#endif
 
 #ifndef NDEBUG
 ORT_ATTRIBUTE_UNUSED static bool vlog_enabled = true;  // Set directly based on your needs.
diff --git a/onnxruntime/core/platform/posix/logging/syslog_sink.cc b/onnxruntime/core/platform/posix/logging/syslog_sink.cc
index 9fbd26f093498..5a14fe1e0beb7 100644
--- a/onnxruntime/core/platform/posix/logging/syslog_sink.cc
+++ b/onnxruntime/core/platform/posix/logging/syslog_sink.cc
@@ -4,7 +4,6 @@
 #include "core/common/logging/logging.h"
 #include "core/common/logging/capture.h"
 #include "syslog_sink.h"
-#include "date/date.h"
 
 namespace onnxruntime {
 namespace logging {
diff --git a/onnxruntime/core/platform/windows/logging/etw_sink.h b/onnxruntime/core/platform/windows/logging/etw_sink.h
index 143c3fcfdfc52..1baded0eeb53b 100644
--- a/onnxruntime/core/platform/windows/logging/etw_sink.h
+++ b/onnxruntime/core/platform/windows/logging/etw_sink.h
@@ -16,7 +16,6 @@
 
 #ifdef ETW_TRACE_LOGGING_SUPPORTED
 
-#include <date/date.h>
 #include <atomic>
 #include <iostream>
 #include <string>
diff --git a/onnxruntime/test/util/include/capturing_sink.h b/onnxruntime/test/util/include/capturing_sink.h
index 39788947602df..17616064749bf 100644
--- a/onnxruntime/test/util/include/capturing_sink.h
+++ b/onnxruntime/test/util/include/capturing_sink.h
@@ -6,8 +6,6 @@
 #include "core/common/logging/logging.h"
 #include "core/common/logging/isink.h"
 
-#include "date/date.h"
-
 namespace onnxruntime {
 namespace test {