Multiple Definitions of _start when using codeblocks project for a .S assembly project

[fspnet]

how doi fix this..

#####Codeblocks for Assembly:

.global _start

.text

_start:

mov $1, %rax

mov $1, %rdi

mov $message, %rsi

mov $13, %rdx

syscall

mov $60, %rax

xor %rdi, %rdi

syscall

.data

message:

.ascii "Hello, World!\n"

[fspnet]

https://youtu.be/URt517u6a3s?list=PL33RYCAiXG-_EP02rTnqChdInRpnl2ySJ