Conda build requirement: add a package from a specific channel

Question

Can I add a build request to a condos recipe that comes from a specific binstar channel?

For example, I want to create a recipe for ffmpeg-devel that requires 7zip. But it seems that only 7za from the trent channel works. I tried installing trent/7za or trent 7za , but none of them work.

 package: name: ffmpeg-dev version: 2.3.3 source: fn: ffmpeg-20140827-git-8c1b942-win64-dev.7z url: http://ffmpeg.zeranoe.com/builds/win64/dev/ffmpeg-20140827-git-8c1b942-win64-dev.7z [win] sha1: 1aaf45274229cba7fe723a4118ca243e77cb4587 requirements: build: - trent/7za - ffmpeg-dev run: - ffmpeg-dev about: home: https://www.ffmpeg.org/ license: "Various (see Copyright file from the aspell6-en source)" summary: "A complete, cross-platform solution to record, convert and stream au 

Answer 1

This is not yet possible, but it is a function that we want to add. At this point, you need to add channels to your configuration before assembly, for example

 conda config --add channels trent