Gentoo Archives: gentoo-dev

From: Matt Turner <mattst88@g.o>
To: gentoo-dev@l.g.o
Subject: [gentoo-dev] Re: How to handle dependencies on protocol headers?
Date: Fri, 16 Sep 2011 04:43:59
In Reply to: [gentoo-dev] How to handle dependencies on protocol headers? by Matt Turner
On Fri, Sep 16, 2011 at 12:32 AM, Matt Turner <mattst88@g.o> wrote:
> Often packages depending on X11 libraries will also have to specify > the X11 libraries' proto packages in DEPEND. This is because the X11 > library itself #includes files provided by the proto package. It's not > really that the X11 library depends on this at run-time, so the > protocol packages aren't specified in the RDEPEND of the libraries. > > This is documented in a number of bug reports (see 379545), and it > seems that the decision is between >  - add proto package to dependency list of packages using X11 libs >  - add proto package to rdepend list of the relevant library itself > > The first is more correct, I think, but it's also much more annoying. > Mesa winds up having x11-proto/inputproto in DEPEND for some long > forgotten reason, for instance. > > The second option is much simpler and less error prone, but removes > the ability to depclean the proto packages. > > It seems that some sort of DEPEND variable that means "I only need > this when other packages are building against me" would be useful. > Thoughts? > > Matt
Another similar situation: