[FFmpeg-devel] [PATCH][RFC] -std=c99
Thu Aug 21 17:39:10 CEST 2008
Luca Abeni wrote:
> Hi Aurelien,
> Aurelien Jacobs wrote:
>>>> 4) I believe that adding "#define _BSD_SOURCE" at the top of udp.c (before
>>>> all the "#include"s) should fix the compilation (can anyone test? I do
>>>> not see the compilation failure, so I cannot test). And asking fro BSD
>>>> compatibility when using sockets looks like a good idea, so I think
>>>> this could be an acceptable solution...
>>> It seems this is the only sensible option we have. The one thing I don't
>>> like about it is that by messing with reserved namespace (_BSD_SOURCE),
>>> we are invoking undefined behaviour. There is no telling what some other
>>> libc might do if this is defined. In reality, the risk of something nasty
>>> happening is probably quite low.
>> Another solution is probably to define _SVID_SOURCE.
> Yes, I think that would work too. Another option could be defining
For the love of all that is holy, and some that is not, don't do that.
> I proposed _BSD_SOURCE because I see sockets as a BSD thing, but I am ok
> with any of the three possibilities.
> So, if:
> 1) someone can confirm that defining one of the three symbols mentioned above
> fixes the build
> 2) there is an agreement on the symbol that is better to define
> 3) noone is against the fix
> then I'd like to commit the fix in few days.
With glibc, one of the three proposed preprocessor symbols must be defined.
Of these, I prefer _BSD_SOURCE, admittedly for vague reasons. It should
be used only this file, of course.
mans at mansr.com
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