Re: [iptables][PATCH] configure: Add option to enable/disable libnfnetlink

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On Wed, Apr 24, 2024 at 04:58:40PM +0200, Phil Sutter wrote:
> On Wed, Apr 24, 2024 at 04:11:59PM +0200, Alexander Kanavin wrote:
> > On 4/24/24 14:53, Phil Sutter wrote:
> > > Hi,
> > >
> > > On Wed, Apr 24, 2024 at 02:28:04PM +0200, Alexander Kanavin wrote:
> > >> From: "Maxin B. John" <maxin.john@xxxxxxxxx>
> > >>
> > >> This changes the configure behaviour from autodetecting
> > >> for libnfnetlink to having an option to disable it explicitly.
> > >>
> > >> Signed-off-by: Khem Raj <raj.khem@xxxxxxxxx>
> > >> Signed-off-by: Maxin B. John <maxin.john@xxxxxxxxx>
> > >> Signed-off-by: Alexander Kanavin <alex@xxxxxxxxxxxxx>
> > > The patch looks fine as-is, I wonder though what's the goal: Does the
> > > build system have an incompatible libnfnetlink which breaks the build?
> > > It is used by nfnl_osf only, right? So maybe introduce
> > > | AC_ARG_ENABLE([nfnl_osf], ...)
> > > instead?
> > 
> > The patch is very old, and I didn't write it (I'm only cleaning up the 
> > custom patches that yocto project is currently carrying). It was 
> > introduced for the purposes of ensuring build determinism and 
> > reproducibility: so that libnfnetlink support doesn't get quietly 
> > enabled or disabled depending on what is available in the build system, 
> > but can be reliably turned off or on.
> 
> Thanks for the explanation. I don't quite get how a build is
> deterministic if libnfnetlink presence is not, but OK.

IIRC, there are also dependencies on utils with libnfnetlink that
would need to be disabled too.





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