Re: Thread safety

Magnus Hagander wrote:
> Can someone remind me why we have --enable-thread-safety? As opposed to 
> it being default and having --disable-thread-safety.

I don't have any numbers or a roster to support this, but I suppose that 
thread-safety is not supported on some platforms.  So either we'd have 
to have diverging defaults or annoy those unsupported platforms with a 
mandatory switch.  The situation is quite similar in my view to the 
integer datetimes switch: we need a very high level of platform support 
before turning this on by default.

(I suppose there was initially also some general uncertainty about the 
maturity of thread things, but I think we can consider that satisfied by 
now.)