Re: [avr-gcc-list] Undefined reference to "setup"

[Georg-Johann Lay]

Ron McCurdy schrieb:
> [code]
> #include <Arduino.h>
>
> int main(void)
> {
>         init();
>
> #if defined(USBCON)
>         USBDevice.attach();
> #endif
>         
>         setup();
>     
> 	for (;;) {
>                 loop();
>                 if (serialEventRun) serialEventRun();
>         }
>         
> 	return 0;
> }
>
> [ERROR]
> Undefined reference to "setup"  
>
> What is wrong with this picture?

This is not AVR-specific and not GCC-specific.

You use a function called setup that is implemented nowhere.
Thus, the linker complains about that missing function.

Johann