Am 19.06.2012 09:18, schrieb Reinhard Tartler:
I'm a bit confused now. libav itself does not build depend on
libpostproc-dev, and if it did, then that would be a bug IMO.

I believe this issue is not specific to libpostproc, but with "libpostproc-dev and friends" the OP meant "library packages built from libav sources" in general.

You could therefore use that source package for bootstrapping purposes
as well, but again, I did not really understand what the actual
problem is yet.

As Andres and others pointed out e.g. in <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=671302#35> libav has several circular build-dependencies that give porters a hard time to bootstrap libav:

libav -> opencv -> libav
libav -> x264 -> libav
libav -> x264 -> gpac -> libav

Thorsten, that's three circular build-dependencies. Which one is the fourth one that you mentioned in your report?

Anyway, all of these codecs are optional. So if you comment out the B-Ds on libx264-dev, libopencv-dev and libcv-dev in debian/control and remove the "--enable-libopencv" line in debian/confflags, libav should build just fine and be available for bootstrapping of other packages.

 - Fabian

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