From 4fa3cee5499c6df0ad6043b0cfa220d09f2034e8 Mon Sep 17 00:00:00 2001
From: dzhwinter <dongzhihong01@baidu.com>
Date: Mon, 3 Sep 2018 14:39:25 +0800
Subject: [PATCH] Windows/hidden file (#13139)

* framework cmake

* Update CMakeLists.txt
---
 paddle/fluid/framework/.gitignore     |  2 ++
 paddle/fluid/framework/CMakeLists.txt | 35 +++++++++++++++++++++++++--
 2 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 paddle/fluid/framework/.gitignore

diff --git a/paddle/fluid/framework/.gitignore b/paddle/fluid/framework/.gitignore
new file mode 100644
index 00000000000..5132131e55e
--- /dev/null
+++ b/paddle/fluid/framework/.gitignore
@@ -0,0 +1,2 @@
+.tensor_util.cu
+.data_type_transform.cu
\ No newline at end of file
diff --git a/paddle/fluid/framework/CMakeLists.txt b/paddle/fluid/framework/CMakeLists.txt
index 0668ff43c81..cc7938b2ac0 100644
--- a/paddle/fluid/framework/CMakeLists.txt
+++ b/paddle/fluid/framework/CMakeLists.txt
@@ -1,3 +1,22 @@
+# windows treat symbolic file as a real file, which is different with unix
+# We create a hidden file and compile it instead of origin source file.
+function(windows_symbolic TARGET)
+  set(oneValueArgs "")
+  set(multiValueArgs SRCS DEPS)
+  cmake_parse_arguments(windows_symbolic "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+  foreach(src ${windows_symbolic_SRCS})
+  get_filename_component(src ${src} NAME_WE)
+  if (NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${src}.cc OR NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${src}.cu)
+      message(FATAL " ${src}.cc and ${src}.cu must exsits, and ${src}.cu must be symbolic file.")
+  endif()
+  add_custom_command(OUTPUT .${src}.cu 
+          COMMAND ${CMAKE_COMMAND} -E remove ${CMAKE_CURRENT_SOURCE_DIR}/.${src}.cu
+          COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/${src}.cc" "${CMAKE_CURRENT_SOURCE_DIR}/.${src}.cu"
+          COMMENT "create hidden file of ${src}.cu")
+  add_custom_target(${TARGET} ALL DEPENDS .${src}.cu)  
+  endforeach()
+endfunction()
+
 add_subdirectory(ir)
 if (NOT WIN32)
 add_subdirectory(details)
@@ -11,7 +30,13 @@ nv_test(dim_test SRCS dim_test.cu DEPS ddim)
 cc_library(data_type SRCS data_type.cc DEPS framework_proto ddim device_context)
 cc_test(data_type_test SRCS data_type_test.cc DEPS data_type place tensor)
 if(WITH_GPU)
-  nv_library(tensor SRCS tensor.cc tensor_util.cu DEPS place memory data_type device_context)
+  if (WIN32)
+    windows_symbolic(tensor_util SRCS tensor_util.cu)
+    nv_library(tensor SRCS tensor.cc .tensor_util.cu DEPS place memory data_type device_context)
+    add_dependencies(tensor tensor_util)
+  else()
+    nv_library(tensor SRCS tensor.cc tensor_util.cu DEPS place memory data_type device_context)
+  endif(WIN32)
 else()
   cc_library(tensor SRCS tensor.cc tensor_util.cc DEPS place memory data_type device_context)
 endif()
@@ -55,7 +80,13 @@ nv_test(data_device_transform_test SRCS data_device_transform_test.cu
         DEPS operator op_registry device_context math_function)
 
 if(WITH_GPU)
-  nv_library(data_type_transform SRCS data_type_transform.cu DEPS tensor)
+  if (WIN32)
+      windows_symbolic(hidden_file SRCS data_type_transform.cu)
+      nv_library(data_type_transform SRCS .data_type_transform.cu DEPS tensor)
+      add_dependencies(data_type_transform hidden_file)
+  else()
+      nv_library(data_type_transform SRCS data_type_transform.cu DEPS tensor)
+  endif(WIN32)
   nv_test(data_type_transform_test SRCS data_type_transform_test.cc data_type_transform_test.cu DEPS data_type_transform)
 else()
   cc_library(data_type_transform SRCS data_type_transform.cc DEPS tensor)
-- 
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