From fea91164b71bbeeb2268de1698e099e5162e925e Mon Sep 17 00:00:00 2001
From: gongweibao <weibao.gong@gmail.com>
Date: Sat, 30 Mar 2019 09:24:52 +0800
Subject: [PATCH] Fix windows compilation error! (#16546)

* fix compiled
test=develop

* follow comments test=develop
---
 cmake/external/dgc.cmake                      | 2 +-
 paddle/fluid/framework/details/CMakeLists.txt | 6 +++++-
 paddle/fluid/platform/CMakeLists.txt          | 5 ++++-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/cmake/external/dgc.cmake b/cmake/external/dgc.cmake
index 199ca88b47..a58b8c68d7 100644
--- a/cmake/external/dgc.cmake
+++ b/cmake/external/dgc.cmake
@@ -34,7 +34,7 @@ ExternalProject_Add(
     BUILD_IN_SOURCE 1
 )
 
-ADD_LIBRARY(dgc SHARED IMPORTED GLOBAL)
+ADD_LIBRARY(dgc STATIC IMPORTED GLOBAL)
 SET_PROPERTY(TARGET dgc PROPERTY IMPORTED_LOCATION ${DGC_LIBRARIES})
 ADD_DEPENDENCIES(dgc extern_dgc)
 
diff --git a/paddle/fluid/framework/details/CMakeLists.txt b/paddle/fluid/framework/details/CMakeLists.txt
index d4939779a2..f1ce744a93 100644
--- a/paddle/fluid/framework/details/CMakeLists.txt
+++ b/paddle/fluid/framework/details/CMakeLists.txt
@@ -25,8 +25,12 @@ if(WITH_DISTRIBUTE)
 endif()
 
 if(WITH_GPU)
+    set(dgc_deps "")
+    if(NOT WIN32)
+        set(dgc_deps dgc)
+    endif()
     nv_library(all_reduce_op_handle SRCS all_reduce_op_handle.cc DEPS op_handle_base scope lod_tensor ddim memory
-            dynload_cuda variable_visitor dgc)
+            dynload_cuda variable_visitor ${dgc_deps})
     nv_library(fused_all_reduce_op_handle SRCS fused_all_reduce_op_handle.cc DEPS op_handle_base scope lod_tensor ddim memory
             dynload_cuda variable_visitor)
     if(WITH_DISTRIBUTE)
diff --git a/paddle/fluid/platform/CMakeLists.txt b/paddle/fluid/platform/CMakeLists.txt
index c3db59563f..f889e2e965 100644
--- a/paddle/fluid/platform/CMakeLists.txt
+++ b/paddle/fluid/platform/CMakeLists.txt
@@ -44,9 +44,12 @@ add_subdirectory(dynload)
 cc_library(cpu_helper SRCS cpu_helper.cc DEPS cblas enforce)
 cc_test(cpu_helper_test SRCS cpu_helper_test.cc DEPS cpu_helper)
 
+set(dgc_deps "")
 IF(WITH_GPU)
     set(GPU_CTX_DEPS dynload_cuda dynamic_loader)
-    set(dgc_deps dgc)
+    if(NOT WIN32)
+        set(dgc_deps dgc)
+    endif()
 ELSE()
     set(dgc_deps)
 ENDIF()
-- 
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