The current build instructions for Win95/NT/98 are at the bottom of the
downloads page:
http://www.abisource.com/dev_download.phtml
Note that to date, we've only built the Win32 version using VC5, although
we've had reports of success using VC6 on Win98. As the instructions state:
"Decoupling from VC++ may not be a trivial task, but we would welcome anyone
who wants to try it."
As for libpng and zlib, the easiest way to build them on Win32 is to grab
the zipfiles from our downloads directory, which have modified makefiles to
make them easy to build using the Abi make system.
Hope that helps.
Paul