The provided patch (next post) is intended to add some flexibility to the build process by allowing the user to choose between provided libs or those on his system. He can also choose to omit to build the specified support. Comments welcomed.
Created attachment 2321 [details] ghostscript-8.54-configure.patch
btw, this bug is a follow up on discussion at http://bugs.gentoo.org/show_bug.cgi?id=138836 please provide feedback if something is wrong about the patch or its intent.
Grabbing a Ralph's bugs.
Confirm and re-assign bugs with attached/in-line patches for another person to review.
Our policy is to support this by checking whether the relevant directory exists in the top level Ghostscript directory. If that's really not sufficient, you can reopen the bug, I can discuss it further with my fellow Ghostscript developers.