[avr-libc-dev] Re: [bug #21410] Incorrect use of 16-bit eeprom addresses in devices with 8-Bit address registers

[Wouter van Gulik]

Joerg Wunsch schreef:
> Follow-up Comment #2, bug #21410 (project avr-libc):
>
> > If we skip this then we might be ok, if the eeprom.S
> > file is build per device not per architecture.
>
> Unfortunately, it actually *is* per architecture, not per
> device.  That's the reason why it is compiled into two
> different object files (for two different EEPROM base
> addresses).

Ah I see. The "magic" is in the linking...

> The only way I'm seeing is to compile it into four different
> object files (base address vs. 8- or 16-bit addressing), and
> extend the macro wrapper logic in <avr/eeprom.h>.

Yes that would be the least-effort-option.

What is the main reason not to build a per-device lib, apart from the 
time to do such a thing? I quickly scanned the mailing archives but I 
could only find the build time as a reason. Is this still valid?

Wouter