[FFmpeg-devel] [PATCH] Source level debug

[Måns Rullgård]

Rich Felker <dalias at aerifal.cx> writes:

> On Mon, Mar 03, 2008 at 02:03:05PM +0100, Panagiotis Issaris wrote:
>> Benjamin Larsson schreef:
>> > Rich Felker wrote:
>> >> [...]
>> >>   
>> >>> I would, however, prefer the level being an
>> >>> argument to --enable-debug rather than a whole new flag.
>> >>>     
>> >> I agree. I'd also like it if --disable-debug were the default, but I
>> >> doubt others will be happy with that..
>> >>
>> >> Rich
>> >>   
>> > 
>> > I prefer that FFmpeg is compiled default with -g. It makes it easy for 
>> > people to submit bug reports without recompiling FFmpeg. And I also 
>> > support the use of an argument to --enable-debug instead of the proposed 
>> > patch. And all compilers might not have -g levels. So I'll try to submit 
>> > a patch adding argument handling.
>> 
>> I've noticed that some projects (or was it distros) put the debugging 
>> symbols in a separate file, so there's no duplication of executable 
>> code. So, no ffmpeg_g en ffmpeg, but just one ffmpeg and a ffmpeg.dbg 
>> file containing only the debugging symbols. I've never used it myself 
>> like that, but I like the idea.
>
> It doesn't solve any of the fundamental problems which are that:
> - building with debug symbols takes 3-5x the disk space
> - the increased disk io significantly impacts build time
> - thrashing the disk is bad for life expectancy (even worse on flash
>   media and some other non-disk media)

I usually build in tmpfs...

> IMO it's irresponsible to do these things by default when the user did
> not request debugging.

Should we also disable all codecs and formats by default?  Surely it
is irresponsible to enable a codec the user didn't ask for.

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