diff --git a/cmake/inference_lib.cmake b/cmake/inference_lib.cmake
index bc36683a9facc253e7b9feb0c5a56e79491fb9b0..f97da29a00754a20afd59e3385f694a049683308 100644
--- a/cmake/inference_lib.cmake
+++ b/cmake/inference_lib.cmake
@@ -32,8 +32,8 @@ function(copy TARGET)
         list(GET copy_lib_SRCS ${index} src)
         list(GET copy_lib_DSTS ${index} dst)
         add_custom_command(TARGET ${TARGET} PRE_BUILD 
-          COMMAND mkdir -p "${dst}"
-          COMMAND cp -r "${src}" "${dst}"
+          COMMAND ${CMAKE_COMMAND} -E make_directory  "${dst}"
+          COMMAND ${CMAKE_COMMAND} -E copy_directory "${src}" "${dst}"
           COMMENT "copying ${src} -> ${dst}")
     endforeach()
 endfunction()
diff --git a/paddle/fluid/recordio/CMakeLists.txt b/paddle/fluid/recordio/CMakeLists.txt
index f401c25dbfc8dcc07c94899916afad9d15e47549..92e97a6c85d7c8f01c8473feb9772f2285d49673 100644
--- a/paddle/fluid/recordio/CMakeLists.txt
+++ b/paddle/fluid/recordio/CMakeLists.txt
@@ -1,5 +1,4 @@
 # internal library.
-message("why it hurts!")
 cc_library(header SRCS header.cc)
 cc_test(header_test SRCS header_test.cc DEPS header)
 cc_library(chunk SRCS chunk.cc DEPS snappystream snappy header zlib)