[Ffmpeg-devel] CONFIG_* vs HAVE_*

[Måns Rullgård]

Diego Biurrun <diego at biurrun.de> writes:

> On Wed, Nov 08, 2006 at 11:22:33AM +0000, M?ns Rullg?rd wrote:
>> 
>> Fran?ois Revol said:
>> >> I believe HAVE_ is for compiler-type features,
>> >> (e.g. HAVE_STDLIB_H, HAVE_ALTIVEC, HAVE_FOUR_BYTE_INTS)
>> >>
>> >> and CONFIG_ is for user-level features -
>> >> things that can be turned off and on by configure.
>> >> (e.g. CONFIG_SWSCALER, CONFIG_USE_XV)
>> >>
>> >
>> > Seems coherent.
>> 
>> Yes, but that's not how the names are currently used, which is why I asked.
>> 
>> > Also, HAVE_ is the prefix used by autoconf tests...
>> 
>> True.
>
> So let's use that.

The CPU features are oddly enough indicated by TARGET_* in config.mak
and HAVE_* or ARCH_* in config.h.  IMHO the same thing should use the
same name everywhere, and the names should be consistent.  I'll try to
come up with a consistent proposal.

-- 
M?ns Rullg?rd
mru at inprovide.com