Gentoo Archives: gentoo-dev

From: Alexander Bersenev <bay@×××××××××.ru>
To: "gentoo-dev@l.g.o" <gentoo-dev@l.g.o>
Subject: Re: [gentoo-dev] Re: How to handle dependencies on protocol headers?
Date: Fri, 16 Sep 2011 05:00:38
Message-Id: 4AACF510-8FEB-4DB9-8504-1D3D7796655C@hackerdom.ru
In Reply to: Re: [gentoo-dev] Re: How to handle dependencies on protocol headers? by Zac Medico
1 I like a DEPEND way. But in this way many packages will need to be modified and missing dependencies likely appear. I developed an util to detect missing dependencies
2 https://bugs.gentoo.org/show_bug.cgi?id=autodep
3
4 Best,
5 Alexander Bersenev
6
7 On 16.09.2011, at 10:49, Zac Medico <zmedico@g.o> wrote:
8
9 > On 09/15/2011 09:42 PM, Matt Turner wrote:
10 >> On Fri, Sep 16, 2011 at 12:32 AM, Matt Turner <mattst88@g.o> wrote:
11 >>> Often packages depending on X11 libraries will also have to specify
12 >>> the X11 libraries' proto packages in DEPEND. This is because the X11
13 >>> library itself #includes files provided by the proto package. It's not
14 >>> really that the X11 library depends on this at run-time, so the
15 >>> protocol packages aren't specified in the RDEPEND of the libraries.
16 >>>
17 >>> This is documented in a number of bug reports (see 379545), and it
18 >>> seems that the decision is between
19 >>> - add proto package to dependency list of packages using X11 libs
20 >>> - add proto package to rdepend list of the relevant library itself
21 >>>
22 >>> The first is more correct, I think, but it's also much more annoying.
23 >>> Mesa winds up having x11-proto/inputproto in DEPEND for some long
24 >>> forgotten reason, for instance.
25 >>>
26 >>> The second option is much simpler and less error prone, but removes
27 >>> the ability to depclean the proto packages.
28 >>>
29 >>> It seems that some sort of DEPEND variable that means "I only need
30 >>> this when other packages are building against me" would be useful.
31 >>> Thoughts?
32 >>>
33 >>> Matt
34 >>
35 >> Another similar situation:
36 >>
37 >> https://bugs.gentoo.org/show_bug.cgi?id=342393
38 >
39 > Maybe the virtual/mesa-build approach that I suggested can be adapted to
40 > other similar situations:
41 >
42 > https://bugs.gentoo.org/show_bug.cgi?id=342393#c23
43 >
44 > --
45 > Thanks,
46 > Zac
47 >