Re: [PATCH][mom]: Fix example build dependencies

On Tue, 2026-04-21 at 14:10 -0500, G. Branden Robinson wrote:
> At 2026-04-21T10:01:40+0100, Richard Purdie wrote:
> > We are seeing occasional failures for eqn being missing when
> > building 
> > mom examples, e.g.:
> 
> "We" == the Yocto Project?

Yes, sorry, I should have been clearer. The Yocto Project has seen this
a few times in our CI builds recently.

> > > groff-1.24.0/groff: error: couldn't exec eqn: Permission denied
> > > pdfmom: fatal error: groff-1.24.0/test-groff exited with status
> > > 24
> > > make[2]: *** [Makefile:19256: contrib/mom/examples/slide-
> > > demo.pdf] Error 1
> > 
> > It may find eqn from the host system if installed too.
> 
> Hmm, yes, that's not good.
> 
> > Fix the build dependencies to add eqn, pic, tbl and preconv since
> > a quick strace indicates them all being used here.
> 
> Yes, and the definition of the `MOMPDFMOM` macro earlier in the same
> Automake script makes their use explicit.
> 
> Good catch!  Thank you!  You can expect to see this fix in my next
> push.

Thanks, I figured this was the easiest way to explain/illustrate the
issue and propose a fix for at least some elements of it. I did wonder
if there were other places where dependencies might be missing but I'm
not well placed to understand those.

Thanks for looking at it!

Cheers,

Richard