[feature][win] enable paddle_inference in windows (#103)

* [feature][win] enable paddle_inference in windows

* [feature][win] enable paddle_inference in windows

* [feature][win] enable paddle_inference in windows

Author: DefTruth

external/paddle_inference.cmake

@@ -32,8 +32,8 @@ if(WIN32)
   set(PADDLEINFERENCE_COMPILE_LIB
       "${PADDLEINFERENCE_INSTALL_DIR}/paddle/lib/paddle_inference.lib"
       CACHE FILEPATH "paddle_inference compile library." FORCE)
-  set(DNNL_LIB "")
-  set(OMP_LIB "")
+  set(DNNL_LIB "${PADDLEINFERENCE_INSTALL_DIR}/third_party/install/mkldnn/lib/mkldnn.lib")
+  set(OMP_LIB "${PADDLEINFERENCE_INSTALL_DIR}/third_party/install/mklml/lib/libiomp5md.lib")
 elseif(APPLE)
   set(PADDLEINFERENCE_COMPILE_LIB
       "${PADDLEINFERENCE_INSTALL_DIR}/paddle/lib/libpaddle_inference.dylib"
@@ -51,8 +51,11 @@ endif(WIN32)
 set(PADDLEINFERENCE_URL_BASE "https://bj.bcebos.com/paddle2onnx/libs/")
 set(PADDLEINFERENCE_VERSION "2.3.2")
 if(WIN32)
-  message(FATAL_ERROR "Paddle Backend doesn't support Windows now.")
-  set(PADDLEINFERENCE_FILE "paddle_inference-win-x64-${PADDLEINFERENCE_VERSION}.zip")
+  if (WITH_GPU)
+    set(PADDLEINFERENCE_FILE "paddle_inference-win-x64-gpu-${PADDLEINFERENCE_VERSION}.zip")
+  else()
+    set(PADDLEINFERENCE_FILE "paddle_inference-win-x64-${PADDLEINFERENCE_VERSION}.zip")
+  endif()  
 elseif(APPLE)
   message(FATAL_ERROR "Paddle Backend doesn't support Mac OSX now.")
   if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "arm64")