--- CMakeLists.txt.orig	2022-04-16 00:43:21 UTC
+++ CMakeLists.txt
@@ -105,11 +105,11 @@ endif (PLUGIN_RMM AND NOT ((CMAKE_CXX_COMPILER_ID STRE
 if (PLUGIN_RMM AND NOT (CMAKE_SYSTEM_NAME STREQUAL "Linux"))
   message(SEND_ERROR "`PLUGIN_RMM` must be used with Linux.")
 endif (PLUGIN_RMM AND NOT (CMAKE_SYSTEM_NAME STREQUAL "Linux"))
-if (ENABLE_ALL_WARNINGS)
-  if ((NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang") AND (NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU"))
-    message(SEND_ERROR "ENABLE_ALL_WARNINGS is only available for Clang and GCC.")
-  endif ((NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang") AND (NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU"))
-endif (ENABLE_ALL_WARNINGS)
+#if (ENABLE_ALL_WARNINGS)
+#  if ((NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang") AND (NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU"))
+#    message(SEND_ERROR "ENABLE_ALL_WARNINGS is only available for Clang and GCC.")
+#  endif ((NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang") AND (NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU"))
+#endif (ENABLE_ALL_WARNINGS)
 if (BUILD_STATIC_LIB AND (R_LIB OR JVM_BINDINGS))
   message(SEND_ERROR "Cannot build a static library libxgboost.a when R or JVM packages are enabled.")
 endif (BUILD_STATIC_LIB AND (R_LIB OR JVM_BINDINGS))
@@ -168,7 +168,7 @@ msvc_use_static_runtime()
 if (FORCE_SHARED_CRT)
   set(DMLC_FORCE_SHARED_CRT ON)
 endif ()
-add_subdirectory(${xgboost_SOURCE_DIR}/dmlc-core)
+#add_subdirectory(${xgboost_SOURCE_DIR}/dmlc-core)
 
 if (MSVC)
   if (TARGET dmlc_unit_tests)
@@ -185,7 +185,7 @@ endif (RABIT_BUILD_MPI)
 
 # core xgboost
 add_subdirectory(${xgboost_SOURCE_DIR}/src)
-target_link_libraries(objxgboost PUBLIC dmlc)
+#target_link_libraries(objxgboost PUBLIC dmlc)
 
 # Exports some R specific definitions and objects
 if (R_LIB)
@@ -219,14 +219,14 @@ target_link_libraries(runxgboost PRIVATE objxgboost)
 target_include_directories(runxgboost
   PRIVATE
   ${xgboost_SOURCE_DIR}/include
-  ${xgboost_SOURCE_DIR}/dmlc-core/include
+  #${xgboost_SOURCE_DIR}/dmlc-core/include
   ${xgboost_SOURCE_DIR}/rabit/include
 )
 set_target_properties(runxgboost PROPERTIES OUTPUT_NAME xgboost)
 #-- End CLI for xgboost
 
 # Common setup for all targets
-foreach(target xgboost objxgboost dmlc runxgboost)
+foreach(target xgboost objxgboost runxgboost)
   xgboost_target_properties(${target})
   xgboost_target_link_libraries(${target})
   xgboost_target_defs(${target})
@@ -277,7 +277,7 @@ install(DIRECTORY ${xgboost_SOURCE_DIR}/include/xgboos
 #
 # https://github.com/dmlc/xgboost/issues/6085
 if (BUILD_STATIC_LIB)
-  set(INSTALL_TARGETS xgboost runxgboost objxgboost dmlc)
+  set(INSTALL_TARGETS xgboost runxgboost objxgboost)
 else (BUILD_STATIC_LIB)
   set(INSTALL_TARGETS xgboost runxgboost)
 endif (BUILD_STATIC_LIB)