Re: [Buildroot] [PATCH 1/1] docs/manual/prerequisite.txt: add diffutils

[Thomas Petazzoni via buildroot <buildroot@buildroot.org>]

Hello,

On Tue, 26 Apr 2022 20:16:12 +0300
Baruch Siach via buildroot <buildroot@buildroot.org> wrote:

> Hi José,
> 
> On Tue, Apr 26 2022, José Luis Salvador Rufo wrote:
> > Patch title: docs/manual/prerequisite.txt: add diffutils  
> 
> No need for this line in the commit log body. The email subject line
> appears as head line of the git commit once applied.

Yep.

> > The command `cmp` is used by `package/pkg-generic.mk` at commit
> > 8623cc5deb5. This command is provided by `diffutils`.  
> 
> Actually, we have host-diffutils, so we can build cmp if the host does
> not have it installed. All we need is support added under
> support/dependencies/ like a few other utilities.

Yes, but we're not going to build host-diffutils if cmp is missing.
It's not done in our current implementation, and I don't think we want
to do that. So it seems like diffutils is indeed a hard requirement.

> We also don't list findutils as prerequisite, even though we rely
> heavily on the 'find' utility.

So perhaps we should list findutils as well in our hard requirements?

José Luis: practically speaking, with which distribution have you been
able to get a system without diffutils/findutils installed by default?

Thanks,

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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