[1/2] oleaut32: add PNG loading [try2]

[Alexandre Julliard]

"Dan Kegel" <dank at kegel.com> writes:

> So perhaps we could just change configure.ac to check
> PNG_LIBPNG_VER_MAJOR   and make sure it's exactly 1,
> and check PNG_LIBPNG_VER_MINOR   and make sure it's 2 or greater.
> That would let us avoid the old broken libpng's, wouldn't it?

No, that doesn't solve the problem of finding the correct soname. The
problem is that the soname isn't libpng.so.<version> like it ought to
be, but something like libpng<version>.so.<otherversion>. We could
link explicitly to libpng12.so but this would break when a 1.3 version
is released.

-- 
Alexandre Julliard
julliard at winehq.org