Build -j target tags and command output

[Ian Lepore]

On Fri, 2016-02-26 at 15:20 -0800, Simon J. Gerraty wrote:
> Bryan Drewery <bdrewery at freebsd.org> wrote:
> > I'm looking for opinions on whether we should keep or remove the --
> 
> Keep.
> 
> Without them it is virtually impossible to identify which job
> produced
> certain output.
> 
> Even with them, the log from a parallel hirerarchical build can get
> confusing - especially when multiple makes are writing at the same
> time.
> But you are still better off with some clues.
> 
> > Removing them would yield potentially hard-to-debug failures since
> > the
> 
> Yes, pls don't do that.
> 
> > failed command could be anywhere.  At least the 'make stopped'
> > error
> > that follows would print the directory.  There is an interesting
> > feature
> 
> Yes, but generally the exciting stuff that caused the stoppage is
> earlier in the log.
> The --- lines allow use of scripts to demux the output.
> 

Are any such scripts available?

-- Ian (catching up on really old mail)