add dependency to gtexinfo when building docs
remove special SunOS processing which seems unnecessary now.
TODO: there are still some apparent fonts issues indicated in the build logs
When turning it off, you can get rid of the netpbm, psutils,
and ghostscript dependencies. Might help in bootstrapping some
platforms. Based on a patch from schmonz@.
While here, improve PLIST by trying to remove an additional directory
and bump PKGREVISION for that.
> program requires Xaw, which requires the Xlib shape routines, which on
> Interix are in Xext. http://www.faqs.org/faqs/x-faq/part6/section-27.html
Move fix from Makefile to options.mk, so it is only used when the x11
option is enabled.
