Solaris support - missing or incompatible functions

[Jani Nikula]

On Mon, 06 May 2013, Vladimir.Marek at oracle.com wrote:
> I can't run the notmuch 'make test' on Solaris (too old bash) and on linux the
> results are
>
> 421/525 tests passed.
> 25 tests failed.
> 79 tests skipped.
>
> but they are the same without my changes too ...

The series LGTM, except I didn't pay much attention to the timegm()
implementation. I hope the time parsing tests pass though. If they do,
and you think the implementation is good enough, then who am I to
argue. ;)

BR,
Jani.