Mailinglist Archive: opensuse-buildservice (145 mails)

[Juergen Weigert <jw@xxxxxxx>]

On Nov 24, 11 07:51:12 +1300, Volker Kuhlmann wrote:
> On Wed 23 Nov 2011 23:21:25 NZDT +1300, Ludwig Nussel wrote:
>
> > > > Yeah, OBS can't expand %() for obvious reasons.
> > >
> > > The "obvious" reasons are, that 
> > >  * When building a package, the source server employs a
> > >    virtual machine, and %() shell expansions are honored.
> > >  * But when we evaluate BuildRequires, the source server does not employ 
> > >    a virtual machine, and %() shell expansions are disabled for security 
> > > reasons.
> >
> > Not only that. It wouldn't make sense. 
It would make a lot of sense to have a consistent way how %() expressions
are evaluated, from an end user persoective.

> > BuildRequires are evaluated
> > on the host system because BuildRequires define what's required to
> > install the target system in the first place. 

This is an implementation detail. An undocumented one.
Hiding it would make sense too.

I've added a paragraph 'OBS Caveat' below
 http://en.opensuse.org/openSUSE:Specfile_guidelines#BuildRequires
so that it is no longer undocumented.

        cheers,
                JW-

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