From 343687c3263bfe3cd2c4807ada039a0c350535e7 Mon Sep 17 00:00:00 2001
From: Zhou Wei <52485244+zhouwei25@users.noreply.github.com>
Date: Tue, 2 Jun 2020 11:03:08 +0800
Subject: [PATCH] [CHERRY-PICK 1.8]fix windows bug that compile .cu files use
 MSVC dynamic C runtime (#24826)

* cherry-pick #24729
---
 cmake/cuda.cmake  | 11 ++++++++---
 cmake/flags.cmake |  4 ++--
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/cmake/cuda.cmake b/cmake/cuda.cmake
index 514937f760d..e069c799b4b 100644
--- a/cmake/cuda.cmake
+++ b/cmake/cuda.cmake
@@ -202,9 +202,9 @@ set(CUDA_PROPAGATE_HOST_FLAGS OFF)
 # Release/Debug flags set by cmake. Such as -O3 -g -DNDEBUG etc.
 # So, don't set these flags here.
 if (NOT WIN32) # windows msvc2015 support c++11 natively. 
-# -std=c++11 -fPIC not recoginize by msvc, -Xcompiler will be added by cmake.
-list(APPEND CUDA_NVCC_FLAGS "-std=c++11")
-list(APPEND CUDA_NVCC_FLAGS "-Xcompiler -fPIC")
+  # -std=c++11 -fPIC not recoginize by msvc, -Xcompiler will be added by cmake.
+  list(APPEND CUDA_NVCC_FLAGS "-std=c++11")
+  list(APPEND CUDA_NVCC_FLAGS "-Xcompiler -fPIC")
 endif(NOT WIN32)
 
 # in cuda9, suppress cuda warning on eigen 
@@ -226,6 +226,11 @@ if (NOT WIN32)
 else(NOT WIN32)
   list(APPEND CUDA_NVCC_FLAGS  "-Xcompiler \"/wd 4244 /wd 4267 /wd 4819\"")
   list(APPEND CUDA_NVCC_FLAGS  "--compiler-options;/bigobj")
+  if(MSVC_STATIC_CRT)
+    list(APPEND CUDA_NVCC_FLAGS "-Xcompiler" "-MT$<$<CONFIG:Debug>:d>")
+  else()
+    list(APPEND CUDA_NVCC_FLAGS "-Xcompiler" "-MD$<$<CONFIG:Debug>:d>")
+  endif()
   if(CMAKE_BUILD_TYPE  STREQUAL "Debug")
     list(APPEND CUDA_NVCC_FLAGS  "-g -G")
     # match the cl's _ITERATOR_DEBUG_LEVEL
diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index 884e5d45a6a..f3a0660900b 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -217,8 +217,8 @@ foreach(flag ${GPU_COMMON_FLAGS})
 endforeach()
 
 if(WIN32 AND MSVC_STATIC_CRT)
-# windows build turn off warnings.
-safe_set_static_flag()
+    # windows build turn off warnings.
+    safe_set_static_flag()
     foreach(flag_var
         CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
         CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO
-- 
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