CURRENT: Compile time of ports has increased significantly since LLVM 4.0

[Ronald Klop]

There is a similar thread with subject: 'how to mark llvm* forbidden?'  
going on right now on this list.

Regards,
Ronald.


On Mon, 10 Apr 2017 14:10:03 +0200, O. Hartmann <ohartmann at walstatt.org>  
wrote:

> We build pretty often world and ports.
>
> With poudriere as port building backend, The daily/weekly builds have  
> now grown
> in compile time significantly since approx. the introduction of LLVM 4.0  
> into
> FreeBSD.
>
> The build box is a LGA1150 IvyBridge XEON system with 3,4 GHz and 16 GB  
> RAM.
> The configuration of poudriere (most recent ports tree version, as well  
> as most
> recent CURRENT host and most recent CURRENT jail:  FreeBSD 12.0-CURRENT  
> #4
> r316067: Tue Mar 28 06:26:18 CEST 2017 amd64).
>
> Within the past 4 - 6 months, wekbkit-gtk2 and webkit-gtk3 took ~ 1h 90  
> min,
> or, when started together, ~ 2h 40 min. Now they take each(!, even  
> separately
> started and indivuidually conmpiled without concurrent jobs) more than 3  
> hours.
>
> The same with /editors/libreoffice. On this bos it took 2h 40 min to  
> compile
> libreoffice 5.2.X up to 5.2.6, now it graces or is beyond 4 hours!
>
> This observation is taken from a time span of 5 - 6 months and even with  
> worst
> case scenarios like parallel start of webkit[2]-gtk[23] in parallel.
>
> So, does someone also diagnose this compile time stretching? I also see  
> this
> while regularily building ports via "make" in /usr/ports.
>
>
> Thanks in advance,
>
> Oliver
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