[ccache] ccache 2.3 released

[tridge at samba.org]

Koblinger Egmont writes:
 > The checksum generated by 2.3 is not compatible with previous ccache
 > versions. (I'm using ccache since 1.9 and it was always compatible.)
 > When I compile something, upgrade ccache from 2.2 to 2.3, and recompile it
 > again, there's no cache hit, everything is placed again.
 > 
 > Is it a known issue (well, should be mentioned on the homepage) or a bug?

This is known (at least by me!). Just about every release has changed
the hash for some set of options, its just that this release changes
the hash for the most commonly used set of options.

I'll add a note to the home page.

Cheers, Tridge