Re: fail to compile NetBSD current from Linux at second attempt

El 12/6/26 a las 19:45, Robert Elz escribió:
>      Date:        Fri, 12 Jun 2026 13:26:46 +0200
>      From:        Ramiro Aceves <[email protected]>
>      Message-ID:  <[email protected]>
> 
>    | I was reading The Guide and remembered what you wrote in the list
>    | when reading the following:
>    |
>    |      32.4.3. Fetching the NetBSD-current development branch
>    |
>    |      To obtain the NetBSD-current source just omit “-r <BRANCH>” and
>    |      replace it with “-A”:
> 
> I can kind of see where that is coming from, but
> 
>    |      $ cd /usr
>    |      $ cvs checkout -A -P src
> 
> That's really just laughable, the -A there is harmless, also pointless.
> 
> A checkout is fetching a new module from the repository, there is no
> existing state to reset, unless -r is given, what you're getting is
> HEAD.   I wasn't even aware checkout had a -A option (it does, but the
> only reason for that I can imagine is to be consistent with cvs update).
> 
>    |      To update your NetBSD-current source tree, add the -A flag:
>    |
>    |      $ cd /usr/src
>    |      $ cvs update -A -dP
> 
> That's the safe advice to give, just in case the tree might have had some
> other restriction (been on a branch before, or a specific date), but it is
> only needed in those cases, to ensure you get up to date HEAD.   If what
> is in the repo is (or was, when last updated) up to date HEAD, then
> there's no need for the -A.
> 
> On the other hand, using -A in all those cases is harmless.
> 
>    | Then I believe that the sentence "To update your NetBSD-current source
>    | tree, add the -A flag" is wrong cause if you are in NetBSD-current
> 
> Yes, but the "if" there is important, if you had been using netbsd-10
> (or -11 or anything else) or if you'd fetched a specific date's HEAD
> from the past, then the -A is needed.
> 
>    | Only "cvs update -dP" should be needed.
> 
> Usually, if you are maintaining HEAD, or any other branch, that's the
> way to get the latest updates on the current branch, whatever that might
> happen to be.   Including -A forces HEAD, whereas including "-r tag" forces
> the branch "tag", omitting both (and -D which can be used to select a
> specific date) just uses the same as you had before (except on checkout,
> where there is no "before", and you get HEAD by default, with or without -A).
> 
> kre
> 

Thanks so much for detailed explanation, Robert.
I understand it better now.
Regards.