--- CMakeLists.txt.orig	2021-11-04 20:30:01 UTC
+++ CMakeLists.txt
@@ -7,7 +7,7 @@ if(CMAKE_CROSSCOMPILING)
 endif()
 
 project(mxnet C CXX)
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 14) # workaround for https://github.com/apache/incubator-mxnet/issues/20784
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS ON)
 
@@ -511,6 +511,7 @@ if(USE_JEMALLOC)
   endif()
 endif()
 
+if (ENABLE_TESTING)
 include(CTest)
 set(GTEST_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/googletest/googletest")
 set(GTEST_INCLUDE_DIR ${GTEST_ROOT}/include)
@@ -521,6 +522,7 @@ set(GTEST_LIBRARY gtest)
 
 add_subdirectory(${GTEST_ROOT})
 find_package(GTest REQUIRED)
+endif()
 
 # cudnn detection
 if(USE_CUDNN)
@@ -974,7 +976,7 @@ install(TARGETS ${MXNET_INSTALL_TARGETS}
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 )
 install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dlpack/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dmlc-core/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+#install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dmlc-core/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/mshadow/mshadow/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/mshadow)
 install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/mxnet/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/mxnet)
 install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/tvm/nnvm/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
@@ -1020,7 +1022,9 @@ if(USE_CPP_PACKAGE)
   endif()
 endif()
 
+if(ENABLE_TESTING)
 add_subdirectory(tests)
+endif()
 
 # ---[ Linter target
 if(MSVC)