arm-none-eabi-g++ compiler throws compilation error pthread_exit was not declared in this scope

Running in debian linux "arm-none-eabi-g++ pthread.c -o pthread -lpthread" throws below compilation error. But if I run the "g++ pthread.c -o pthread -lpthread " there is no compilation errors. I never used cross compiler. I knew there is problem in linking in libraries. Please help me. I searched lot in the internet but there is no luck.

My pthread.c program

include "pthread.h" 
include "stdio.h"
include "stdlib.h"

void *worker_thread(void *arg) { 
printf("This is worker_thread()\n"); 
pthread_exit(NULL); 
} 

int main() { 
pthread_t my_thread; 
int ret; 
printf("In main: creating thread\n"); 
ret = pthread_create(&my_thread, NULL, &worker_thread, NULL); 
if(ret != 0) {
 printf("Error: pthread_create() failed\n"); 
 exit(EXIT_FAILURE); 
 } pthread_exit(NULL); 
 } 
 

Compilation error:

pthread.c: In function 'void* worker_thread(void*)':

pthread.c:8:18: error: 'pthread_exit' was not declared in this scope
pthread_exit(NULL);
                  ^
pthread.c: In function 'int main()':
pthread.c:15:1: error: 'pthread_t' was not declared in this scope
 pthread_t my_thread;
 ^
pthread.c:15:11: error: expected ';' before 'my_thread'
 pthread_t my_thread;
           ^
pthread.c:18:23: error: 'my_thread' was not declared in this scope
 ret = pthread_create(&my_thread, NULL, &worker_thread, NULL);
                       ^
pthread.c:18:60: error: 'pthread_create' was not declared in this scope
 ret = pthread_create(&my_thread, NULL, &worker_thread, NULL);
                                                            ^
pthread.c:24:21: error: 'pthread_exit' was not declared in this scope
  } pthread_exit(NULL);