ntpdate ported to ARM32 platform

1. Download ntp-4.2.8p15.tar.gz
2. tar -xvf ntp-4.2.8p15.tar.gz

3. implement

   ​
   ./configure --host=arm-none-linux-gnueabi CC=/opt_WQ/4.9.3/bin/arm-cortexa9-linux-gnueabihf-gcc --with-yielding-select=yes
   
   ​

4. make

5. Copy the ntdate of the ntpdate folder to the development department /usr/bin

   scp ntpdate [email protected]:/usr/bin

6. /etc/profile added

   export TZ='cst-8'

   Execute sourec /etc/profile

7. Add crontab to execute every minute

   crontab -e
   
   * * * * * /usr/bin/ntpdate -u ntp.api.bz 
   * * * * * /sbin/hwclock -w