how do you build this static ? running great

[Magical-Lin]

i download your program and running normal.
i am try to build those static,too.
but i cant do it well.
ubuntu22.04

sudo apt-cache search gcc-arm
sudo apt install gcc-arm-linux-gnueabi
arm-linux-gnueabi-gcc -v

cat <<EOF >hello.c
#include <stdio.h>  
int main()  
{  
printf("helloworld!\n");  
return 0;  
}  
EOF

arm-linux-gnueabi-gcc hello.c -o hello -static

send to my arm board

chmod 777 hello
./hello

it said ' FATAL: kernel too old'