avr-gcc -c -g -Os -Wall -Wstrict-prototypes -I/media/sandbox/xtools/avr-dev/build/avr/lib/avrlib -Wa,-ahlms=main.lst -mmcu=atmega8  -I/media/sandbox/xtools/avr-dev/build/avr/include -I/media/sandbox/xtools/avr-dev/build/avr/avr/include -I. main.c -o main.o
In file included from main.c:18:
/media/sandbox/xtools/avr-dev/build/avr/lib/gcc/avr/3.4.4/../../../../avr/include/avr/signal.h:36:2: warning: #warning "This header file is obsolete.  Use <avr/interrupt.h>."
main.c: In function `main':
main.c:51: error: `DDRA' undeclared (first use in this function)
main.c:51: error: (Each undeclared identifier is reported only once
main.c:51: error: for each function it appears in.)
main.c:53: error: `PORTA' undeclared (first use in this function)
make: *** [main.o] Error 1