YAFFS2 experimental support available

[Joel Sherrill]

On 12/04/2010 01:54 AM, Sébastien Bourdeauducq wrote:
> On Saturday 04 December 2010 04:38:02 Ralf Corsepius wrote:
>> There are some questionable items in your wiki:
>>
>> - The zlib in RTEMS-4.11 is current (1.2.5).
> Yes, true, though the version in my branch (which itself is becoming outdated)
> is 1.2.4. There was a problem with libpng 1.4.4 that didn't find zlib and I
> thought it was because of this "old" version of it (because recompiling 1.2.5
> fixed it). But in reality the problem stems from the "z_" prefix added to each
> function in the RTEMS zlib, which isn't there when recompiling the vanilla
> zlib (and yes, I still want to remove it, as it is less painful than fixing
> libpng's auto*** scripts). I forgot to update the reason on the wiki, thanks
> for pointing this out.
I think this is fixed in the rtems-graphics-toolkit version of libpng.
If not, it is in the working tree on some computer I work on LOL.
> Sebastian spoke on IRC about this problem already, and might fix libpng's
> configure script. So hopefully the zlib recompilation won't be needed at all.
>
>> - Using CFLAGS=-O9 is not useful.
> Doesn't that flag mean "turn whatever optimizations on", which, with the
> current versions of GCC, is an alias for -O3?
>
Historically, -Ox where x > 2 didn't make a difference.  I recall
some discussion about -O3 might enable something else but
am not 100% sure on that.
> S.
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