Installing binutils for avr To patch binutils-2.9.5.0.13: % tar -xzf binutils-2.9.5.0.13.tar.gz % cd binutils-2.9.5.0.13 % gzip -dc binutils-2.9.5.0.13-avr-patch-1.1.gz | patch -p1 To configure binutils-2.9.5.0.13: % cd binutils-2.9.5.0.13 % configure --target=avr To compile binutils-2.9.5.0.13: % cd binutils-2.9.5.0.13 % make To install binutils-2.9.5.0.13: % cd binutils-2.9.5.0.13 % make install Now you can run avr-as, avr-ld, avr-nm, avr-ar, ... avr-[etc].