Gentoo Archives: gentoo-dev

From: Ciaran McCreesh <ciaran.mccreesh@××××××××××.com>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] About forcing rebuilds of other packages issue
Date: Sun, 10 Jun 2012 12:31:52
Message-Id: 20120610132555.74bded8c@googlemail.com
In Reply to: Re: [gentoo-dev] About forcing rebuilds of other packages issue by Zac Medico
1 On Sat, 09 Jun 2012 13:55:53 -0700
2 Zac Medico <zmedico@g.o> wrote:
3 > A dependency atom will have optional SLOT and ABI_SLOT parts. Using
4 > the dbus-glib depedency on glib:2 as an example [1], the dbus-glib
5 > dependency will be expressed with an atom such as dev-libs/glib:2:=
6 > and the package manager will translate that atom to
7 > dev-libs/glib:2:=2.32 at build time. So, ':' is always used to
8 > distinguish SLOT deps, and ':=' is always used to distinguish
9 > ABI_SLOT deps. Is that syntax good?
10
11 Here's a nicer syntax: no ABI_SLOT variable, and SLOT="2/2.32". Then you
12 can do explicit :2/2.32 dependencies if you like, or :2 (which would
13 match SLOT="2" or SLOT="2/anything"), or :2= (which gets rewritten
14 to :2/2.32=) or :2*. If an ebuild does SLOT="2", it's treated as 2/2.
15
16 --
17 Ciaran McCreesh

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