--- hadoop-3.1.4-src/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/CMakeLists.txt	2020-07-21 01:17:58.000000000 +0800
+++ hadoop-3.1.4-src/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/CMakeLists.txt	2023-07-21 16:33:10.948752821 +0800
@@ -27,6 +27,7 @@
 # Add extra compiler and linker flags.
 # -Wno-sign-compare
 hadoop_add_compiler_flags("-DNDEBUG -DSIMPLE_MEMCPY -fno-strict-aliasing -fsigned-char")
+set(CMAKE_CXX_STANDARD 11)
 
 # Source location.
 set(SRC main/native)