From b39f947698c90219d3321d4a3ddf114c0927a632 Mon Sep 17 00:00:00 2001
From: zhouwei25 <52485244+zhouwei25@users.noreply.github.com>
Date: Thu, 28 Nov 2019 10:06:04 +0800
Subject: [PATCH] Eliminate the impact on incremental compilation (#21410)

---
 cmake/external/mklml.cmake | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/cmake/external/mklml.cmake b/cmake/external/mklml.cmake
index 456d4d6774d..1daf1bb9c95 100644
--- a/cmake/external/mklml.cmake
+++ b/cmake/external/mklml.cmake
@@ -60,12 +60,10 @@ ExternalProject_Add(
     CONFIGURE_COMMAND     ""
     BUILD_COMMAND         ""
     UPDATE_COMMAND        ""
-    INSTALL_COMMAND       ""
+    INSTALL_COMMAND       ${CMAKE_COMMAND} -E copy_directory ${MKLML_SOURCE_DIR}/include ${MKLML_INC_DIR} &&
+			  ${CMAKE_COMMAND} -E copy_directory ${MKLML_SOURCE_DIR}/lib ${MKLML_LIB_DIR}
 )
 
-add_custom_command(TARGET ${MKLML_PROJECT} POST_BUILD
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${MKLML_SOURCE_DIR}/include ${MKLML_INC_DIR}
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${MKLML_SOURCE_DIR}/lib ${MKLML_LIB_DIR})
 
 INCLUDE_DIRECTORIES(${MKLML_INC_DIR})
 
-- 
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