From d75742c32981c667001931ee35df4370861d2de9 Mon Sep 17 00:00:00 2001
From: Hyunsu Cho <chohyu01@cs.washington.edu>
Date: Fri, 20 Mar 2020 03:45:36 -0700
Subject: [PATCH] Define _CRT_SECURE_NO_WARNINGS to remove unneeded warnings in
 MSVC

---
 CMakeLists.txt           | 16 ++++++++++++++++
 src/CMakeLists.txt       |  2 ++
 tests/cpp/CMakeLists.txt |  2 ++
 3 files changed, 20 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30ee45d0aed9..5bf86f637dfe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -111,6 +111,14 @@ set_target_properties(dmlc PROPERTIES
   CXX_STANDARD_REQUIRED ON
   POSITION_INDEPENDENT_CODE ON)
 list(APPEND LINKED_LIBRARIES_PRIVATE dmlc)
+if (MSVC)
+  target_compile_options(dmlc PRIVATE
+                         -D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE)
+  if (TARGET dmlc_unit_tests)
+    target_compile_options(dmlc_unit_tests PRIVATE
+                           -D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE)
+  endif (TARGET dmlc_unit_tests)
+endif (MSVC)
 
 # rabit
 set(RABIT_BUILD_DMLC OFF)
@@ -120,8 +128,16 @@ add_subdirectory(rabit)
 
 if (RABIT_MOCK)
   list(APPEND LINKED_LIBRARIES_PRIVATE rabit_mock_static)
+  if (MSVC)
+    target_compile_options(rabit_mock_static PRIVATE
+                           -D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE)
+  endif (MSVC)
 else()
   list(APPEND LINKED_LIBRARIES_PRIVATE rabit)
+  if (MSVC)
+    target_compile_options(rabit PRIVATE
+                           -D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE)
+  endif (MSVC)
 endif(RABIT_MOCK)
 
 # Exports some R specific definitions and objects
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 88b62088d9c9..3c1fa8a87a94 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -61,6 +61,8 @@ endif (WIN32 AND MINGW)
 if (MSVC)
   target_compile_options(objxgboost PRIVATE
     $<$<NOT:$<COMPILE_LANGUAGE:CUDA>>:/utf-8>
+    -D_CRT_SECURE_NO_WARNINGS
+    -D_CRT_SECURE_NO_DEPRECATE
   )
 endif (MSVC)
 
diff --git a/tests/cpp/CMakeLists.txt b/tests/cpp/CMakeLists.txt
index f773aadc0109..740f57c81fb4 100644
--- a/tests/cpp/CMakeLists.txt
+++ b/tests/cpp/CMakeLists.txt
@@ -53,6 +53,8 @@ endif (USE_CUDA)
 if (MSVC)
   target_compile_options(testxgboost PRIVATE
     $<$<NOT:$<COMPILE_LANGUAGE:CUDA>>:/utf-8>
+    -D_CRT_SECURE_NO_WARNINGS
+    -D_CRT_SECURE_NO_DEPRECATE
   )
 endif (MSVC)