--- CMakeLists.txt.orig	2019-12-14 20:50:22 UTC
+++ CMakeLists.txt
@@ -101,16 +101,16 @@ endif (USE_CUDA)
 
 # dmlc-core
 msvc_use_static_runtime()
-add_subdirectory(${xgboost_SOURCE_DIR}/dmlc-core)
-set_target_properties(dmlc PROPERTIES
-  CXX_STANDARD 11
-  CXX_STANDARD_REQUIRED ON
-  POSITION_INDEPENDENT_CODE ON)
-list(APPEND LINKED_LIBRARIES_PRIVATE dmlc)
+#add_subdirectory(${xgboost_SOURCE_DIR}/dmlc-core)
+#set_target_properties(dmlc PROPERTIES
+#  CXX_STANDARD 11
+#  CXX_STANDARD_REQUIRED ON
+#  POSITION_INDEPENDENT_CODE ON)
+#list(APPEND LINKED_LIBRARIES_PRIVATE dmlc)
 
 # rabit
 set(RABIT_BUILD_DMLC OFF)
-set(DMLC_ROOT ${xgboost_SOURCE_DIR}/dmlc-core)
+set(DMLC_ROOT ${CMAKE_INSTALL_PREFIX})
 set(RABIT_WITH_R_LIB ${R_LIB})
 add_subdirectory(rabit)