HADOOP-19551. Fix compilation error of native libraries on newer GCC.

Author: iwasakims

hadoop-common-project/hadoop-common/HadoopCommon.cmake

@@ -145,6 +145,9 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
     # Make GNU extensions available.
     hadoop_add_compiler_flags("-D_GNU_SOURCE")
 
+    # using old default behavior on GCC >= 14.0
+    hadoop_add_compiler_flags("-Wno-error=implicit-function-declaration")
+
     # If JVM_ARCH_DATA_MODEL is 32, compile all binaries as 32-bit.
     if(JVM_ARCH_DATA_MODEL EQUAL 32)
         # Force 32-bit code generation on amd64/x86_64, ppc64, sparc64

hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/include/hdfspp/content_summary.h

@@ -18,6 +18,7 @@
 #ifndef HDFSPP_CONTENT_SUMMARY_H_
 #define HDFSPP_CONTENT_SUMMARY_H_
 
+#include <cstdint>
 #include <string>
 
 namespace hdfs {

hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/include/hdfspp/fsinfo.h

@@ -18,6 +18,7 @@
 #ifndef HDFSPP_FSINFO_H_
 #define HDFSPP_FSINFO_H_
 
+#include <cstdint>
 #include <string>
 
 namespace hdfs {

hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/include/hdfspp/statinfo.h

@@ -18,6 +18,7 @@
 #ifndef HDFSPP_STATINFO_H_
 #define HDFSPP_STATINFO_H_
 
+#include <cstdint>
 #include <string>
 
 namespace hdfs {

hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/include/hdfspp/uri.h

@@ -19,6 +19,7 @@
 #ifndef COMMON_HDFS_URI_H_
 #define COMMON_HDFS_URI_H_
 
+#include <cstdint>
 #include <iostream>
 #include <string>
 #include <vector>