> I use avr-gcc and arm-elf-gcc, both version 4.4.3. > I tryed to invoke gcc with -fstack-usage: > > cc1: error: unrecognized command line option "-fstack-usage" > > why?
Presumably because the option isn't implemented in this compiler. > where is that option? An old version is at http://gcc.gnu.org/ml/gcc-patches/2006-06/msg01008.html -- Eric Botcazou