Re: [avr-libc-dev] Re: [avr-gcc-list] Poll: Who uses itoa() & co with base != {2, 8, 10, 16}?

[Rolf Ebert]

> > Even if functions are unused in a library that is linked, don't they  
> > still end up in the final binary?
>
> No, they don't, otherwise you'd run out of flash space all the time :)

itoa and itoa_full in separate .o files => only the used one gets linked.

itoa and itoa_full in the same .o file  => both are in the flash file.

if you use -ffunction_sections and -Wl,--gc-sections in the latter case  
then the linker also strips unused functions from the flash file

   Rolf