[Ffmpeg-devel] CONFIG_* vs HAVE_*

[Måns Rullgård]

Diego Biurrun <diego at biurrun.de> writes:

> On Sun, Nov 12, 2006 at 02:43:44PM +0000, M?ns Rullg?rd wrote:
>> 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.
>
> IIRC this is what autoconf uses, right?

I don't remember.  Either way, it's inconsistent and confusing.

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