Re: [avr-gcc-list] LIBC 1.2.6 vs 1.4.0 header files, FLASH and EEPROM

[Bob Paddock]

On Tue, 06 Dec 2005 14:37:53 -0500, Joerg Wunsch <address@hidden>  
wrote:
> Why not test for
>
> #if __AVR_LIBC_VERSION__ < 10400UL
> put old code here
> #endif
> Any C preprocessor macro that hasn't been defined but is used in a
> preprocessor expression as shown above automatically evaluates to 0,
> so the above test will work.
Lint would not like it.  In this case there is no issue with that
usage, but I don't like relying on implied evaluations as they can
lead to very subtle bugs.