Bug#1052902: yosys: FTBFS: make[2]: *** [Makefile:971: docs/gen_images] Error 2

[Lucas Nussbaum]

Hi,

On 29/09/23 at 17:50 +0200, Santiago Vila wrote:
> El 26/9/23 a las 16:50, Daniel Gröber escribió:
> > Hi Lucas,
> > 
> > On Tue, Sep 26, 2023 at 03:43:28PM +0200, Lucas Nussbaum wrote:
> > > Source: yosys
> > > Version: 0.33-5
> > > Severity: serious
> > > Justification: FTBFS
> > > Tags: trixie sid ftbfs
> > > User: lucas at debian.org
> > > Usertags: ftbfs-20230925 ftbfs-trixie
> > > 
> > > The full build log is available from:
> > > http://qa-logs.debian.net/2023/09/25/yosys_0.33-5_unstable.log
> > 
> > Is the buildinfo file for the rebuild available somewhere too? I'd like to
> > diff the build environment against what the buildds had.
> 
> Hello. A few months ago I made the experiment of building
> the archive with the new "make --shuffle" feature from make 4.4.
> 
> See:
> 
> https://trofi.github.io/posts/238-new-make-shuffle-mode.html
> 
> for details.
> 
> Well, "yosys" was one of the packages which FTBFS for me.
> It was version 0.23-6, and it failed in a different way.
> 
> But something tells me that this bug reported by Lucas
> could easily be another Makefile bug.
> 
> So, instead of trying to reproduce the problem by building
> the package in your machine, I suggest that you take the provided
> build log, collate it with the current Makefiles, and try to
> determine how could it happen at all.
> 
> For example, the build log says this:
> 
> I can't find file `verilog_flow.aux'.
> 
> The interesting question here would be:
> 
> Are you sure that the Makefiles are correctly written in
> such a way that the verilog_flow.aux file is always created
> before some other process tries to use it?

As an additional data point, I can still reproduce this.
I cannot provide the buildinfo, as sbuild outputs it at the end of
successful builds. However, in the build log there's the list of
installed packages, which might be sufficient...

Lucas