[Ffmpeg-devel] CONFIG_* vs HAVE_*

Diego Biurrun diego
Sun Nov 12 15:54:07 CET 2006


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?

Diego




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