Re: Strange buildconflicts

On Aug 26, 2013, at 1:17 PM, Per =D8yvind Karlsen wrote:

> When touching db* packages, I notice this odd buildconflicts:
> BuildConflicts:	libreoffice-core
>=20

While I have no idea what the semantic intent of the above is/was, I can =
point out

BuildObsoletes: exists/functions and is perhaps a better solution than =
BuildConflicts:
if the intent is to create a tree in which a package can be rebuilt. =
Note that the effect
is harmless when installing as non-root (which is suggested as best =
practice for
rpmbuild for many years now), but would permit re-running "sudo =
rpmbuild" and "fixing"
the problem automagically.

Note also that
	BuildRequires: !libpreoffice-core
(note the leading ! for negation) is essentially the same as the =
BuildConflicts: used.

There is a similar symmetry relationship between BuildObsoletes: and =
negated BuildProvides:,
the major difference being the actual side-effect when a negated =
dependency is evaluated
against the complement of the installed set.

(if that statement doesn't make sense, Don't worry! Be Happy! Let's go =
shopping!)

hth

73 de Jeff