On Feb 18, 2017, at 17:55, René J.V. Bertin wrote:

> On Saturday February 18 2017 17:27:45 Ryan Schmidt wrote:
> 
>> The problem is that it only applies to cmake-generated makefiles and certain 
>> other one-off makefiles. But maybe a progress bar for some builds is better 
>> than no build progress bar ever.
> 
> Yeah. It might work for any project that uses ninja, too.
> 
>> For example, a port building with cmake and muniversal will go from 0% to 
>> 100% for the first architecture, then go from 0% to 100% for the second 
>> architecture; this detail should be hidden from the user behind a single 
>> combined progress bar.
> 
> Or the muniversal portgroup could indicate what architecture it's building 
> for. I've already hacked my copy to do that because it also provides a 
> periodic wake-up call to ask myself if I really need that port installed 
> +universal. That's a different issue of course.

The muniversal portgroup used to say "building for i386", "building for 
x86_64", but this was removed, perhaps because it was thought to be confusing 
that some ports were printing this information and others weren't.


>> The ticket for this issue is https://trac.macports.org/ticket/15939 . 
>> Clemens had some thoughts there for how it might be done for other ports 
>> whose build systems don't provide this information, but it would involve 
>> maintaining an online database.
> 
> Ah yes. In my memory someone suggested using the number of files, but the 
> number of output lines would be a reasonable indicator if you know how many 
> there are.
> 
> If we go for an approach that relies on ports (or portgroups) providing the 
> required information it should also be possible to provide the number of 
> expected lines that way, removing the need for an additional online database. 
> Something like
> 
> {{{
> build.progress.expected_lines 1000
> }}}
> 
> should be all that's needed to activate a progressbar mechanism based on this 
> generic principle.

Nobody's going to remember to update that number when the update a port to a 
new version number.


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