Re: [avr-gcc-list] simple program

[Lars Noschinski]

* Timothy Smith <address@hidden> [2005-08-25 09:45]:
> titan# avr-gcc led.c
>
> In file included from led.c:2:
> /usr/local/lib/gcc/avr/3.4.4/../../../../avr/include/avr/io.h:252:6:
> warning: #warning "device type not defined"

avr-gcc does not know for which device it should compile. You need to
pass the -mmcu option with the correct device, e.g.

# avr-gcc -mmcu=atmega8 led.c

to compile it for an atmega8.