netdev - Re: [PATCH iproute2-next] Makefile: use systemd-tmpfiles to create /var/lib/arpd

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Message-ID: <ZfDKg3uKqy3T7BW5@framework>
Date: Tue, 12 Mar 2024 22:34:59 +0100
From: Max Gautier <mg@....gautier.name>
To: Stephen Hemminger <stephen@...workplumber.org>
Cc: netdev@...r.kernel.org
Subject: Re: [PATCH iproute2-next] Makefile: use systemd-tmpfiles to create
 /var/lib/arpd

On Tue, Mar 12, 2024 at 02:24:20PM -0700, Stephen Hemminger wrote:
> On Tue, 12 Mar 2024 09:22:20 +0100
> Max Gautier <mg@....gautier.name> wrote:
> 
> > On Mon, Mar 11, 2024 at 06:30:07PM -0700, Stephen Hemminger wrote:
> > > On Mon, 11 Mar 2024 23:28:31 +0100
> > > Max Gautier <mg@....gautier.name> wrote:
> > >   
> > > > On Mon, Mar 11, 2024 at 12:40:03PM -0700, Stephen Hemminger wrote:  
> > > > > On Mon, 11 Mar 2024 17:57:27 +0100
> > > > > Max Gautier <mg@....gautier.name> wrote:
> > > > >     
> > > > > > Only apply on systemd systems (detected in the configure script).
> > > > > > The motivation is to build distributions packages without /var to go
> > > > > > towards stateless systems, see link below (TL;DR: provisionning anything
> > > > > > outside of /usr on boot).
> > > > > > 
> > > > > > The feature flag can be overridden on make invocation:
> > > > > > `make USE_TMPFILES_D=n DESTDIR=<install_loc> install`
> > > > > > 
> > > > > > Links: https://0pointer.net/blog/projects/stateless.html    
> > > > > 
> > > > > Why does arpd need such hand holding, it is rarely used, maybe should just not be built.    
> > > > 
> > > > The commit introducing the install of that directory is quite old  
> > > 
> > > The problem is that build environment != runtime environment for embedded systems.  
> > 
> > That's the same for anything detected by the configure script, right ?
> > Hence the override capability.
> 
> Configure is mostly about what packages are missing from the build.
> It would be better if arpd was just smarter about where to put its
> file.

What do you mean by smarter ? Trying to found an existing directory
rather than a fixed one ?

> 
> > 
> > > But arpd really is legacy/dead/rotting code at this point.  
> > 
> > Yeah I can see that, not touched since 2016 (mostly). You would rather
> > just drop it ?
> > 
> 

-- 
Max Gautier