Gentoo Archives: gentoo-dev

From: Jason Zaman <perfinion@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] RFC: USE=libav as replacement for broken || ( libav:= ffmpeg:= )
Date: Tue, 20 Jan 2015 04:44:53
Message-Id: 20150120044430.GA14243@meriadoc.omgwtfbbq
In Reply to: [gentoo-dev] RFC: USE=libav as replacement for broken || ( libav:= ffmpeg:= ) by "Michał Górny"
1 On Mon, Jan 19, 2015 at 08:31:45PM +0100, Michał Górny wrote:
2 > Hello,
3 >
4 > As we've discussed multiple times, the following kind of dependencies
5 > is completely broken and can't work:
6 >
7 > || ( media-libs/libav:= media-libs/ffmpeg:= )
8 >
9 > For this reason, I would like to employ the solution used by Exherbo.
10 > More specifically, use:
11 >
12 > libav? ( media-libs/libav:= )
13 > !libav? ( media-libs/ffmpeg:= )
14
15 Is this going to be wrapped in a ffmpeg ? ( ) block?
16 What happens if I want libav and not ffmpeg and i set "-ffmpeg libav" in
17 make.conf? Does that mean I get nothing? cuz that is pretty
18 un-intuitive.
19
20 -- Jason