Re: [avr-libc-dev] User-visible library version numbers

[Russell Shaw]

Joerg Wunsch wrote:
> It has been requested every now and then that there be a user-visible
> library version number.  I'm about to start this with the impending
> release of the 1.4 branch, so here are a few questions.
>
> What to put in there?
>
> . __AVR_LIBC_VERSION__ "1.4.0"  /* a string */
> . __AVR_LIBC_MAJOR__   1        /* three integers */
> . __AVR_LIBC_MINOR__   4
> . __AVR_LIBC_TINY__    0
>   or
> . __AVR_LIBC_RELEASE__ 0x010400 /* a single integer */
>
> The single integer approach only needs one macro, but it's a bit more
> cumbersome to compare e.g. a major version only (but still possible).
> The three integer approach requires more complicated preprocessor #if
> statements if you e.g. want to do something only for version 1.4.3 and
> above.

Maybe the release date could be added as an extra macro: 050825
for Aug. 5th, 2005.