[FFmpeg-devel] dependency problems
Sun Dec 14 15:25:29 CET 2008
On Sun, Dec 14, 2008 at 02:44:53PM +0100, Luca wrote:
> On Sun, 2008-12-14 at 13:35 +0100, Diego Biurrun wrote:
> > > Or is building from libav* subdirectories unsupported?
> > Is this really such a problem? You can always just run
> > make libavformat/libavformat.a
> > or similar to skip building all libs and binaries...
> I am not saying that this is a problem, but I did not know that building
> from a subdir is unsupported, and I think this is not documented.
> I apologise if I am missing some documentation, but I think that this
> silent failure without any notice is is the problem: I was going to
> commit a broken patch because of this (I entered libavformat, I modified
> rtp.h and some .c files, I did "make" and I saw no failure, and I was
> going to do "svn commit"... But I forgot to modify a .c file, and my
> patch was broken. Fortunately, for some reason I ran "make" from the
> main directory and I noticed the problem).
To be honest, you should not just run make in the subdirectory. It's a
trained reflex people got from recursive make implementations IMO. You
should run make from the root, some linking problems will only show up
when you link together binaries ...
More information about the ffmpeg-devel