Missing timestamp implementation on rpi3

[bob prohaska]

On Sun, Mar 03, 2019 at 02:39:58PM -0700, Ian Lepore wrote:
> On Sun, 2019-03-03 at 10:54 -0800, bob prohaska wrote:
> > 
> > The error it encountered is:
> > 
> >     No TimeStamp implementation on this platform.  Build will not
> > succeed
> > 
> > Correct the error condition and try again.
> > 

> See if this helps...
> 
> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=201510&action=diff
> 
> -- Ian

The patch applied without complaint, but restarting make in www/firefox 
promptly repeated the error. I'm trying make clean followed by make
in www/firefox presently. Does lang/rust and friends need rebuilding? 

Thanks very much!

bob prohaska