[cairo] Entry points for nonexistent backends?

[Owen Taylor]

On Thu, 2007-08-16 at 00:47 +0300, Tor Lillqvist wrote:
> Owen Taylor writes:
>  > I don't understand the point of this version ... the SVG/PDF/PS backends
>  > have no external dependencies other than the font system, right?
> 
> They do cause dependencies on libpng and zlib.

PNG support (independent of those backends) is supposed to be in a standard 
build of cairo for any platform; simple read-an-image / write-an-image
functions are very, very useful for hello-worlds.

						- Owen