[FFmpeg-cvslog] r22052 - in trunk/libavcodec: h264.c h264.h

[Måns Rullgård]

Michael Niedermayer <michaelni at gmx.at> writes:

> On Thu, Feb 25, 2010 at 07:20:18PM +0000, M?ns Rullg?rd wrote:
>> Michael Niedermayer <michaelni at gmx.at> writes:
>> 
>> > sorry again, ill try not to forget svq3 from now on when compiling with
>> > disabled dependancies. (enabling deps is no option as its too slow)
>> 
>> Can you please elaborate on that?  If you disable deps, you _will_
>> miss things like this.  I'm not aware of any case where more than
>> necessary gets recompiled.
>
> add a comment to avcodec.h, bump minor api version, ...
> there are many things that cause quite a bit to be recompiled

It's hard to track dependencies other than by file, so yes, that would
trigger some superfluous rebuilds.  However, this change was only to
h264.h.  Nothing irrelevant depends on it.

> was there some way to quickly enable/disable deps?
> currently i have common.mak hacked to achive it, but i faintly remember
> some discussions about it ...

make DEPS=n

Before anyone asks, this is a hack that should not be documented.  I
don't want to deal with the trouble reports that would ensue.

> also is there some way by which make would display what it would rebuild
> without doing a time consuming rebuild? (had i run this with deps i would
> have spot svq3)

make -n

-- 
M?ns Rullg?rd
mans at mansr.com