While here Stageify port, update LIB_DEPEND syntax and depend on package
name instead of looking for a file.
PR: ports/161568
Submitted by: Takefu <takefu@airport.fm>
* Don't patch configure.ac (which triggers an automake run that clobbers
the effects of USE_GNOME=gnomehack).
* Don't install the documentation a second time in post-install.
gnomehack now correctly takes care of pkgconfig, and htmldocdir is
overridden from MAKE_ARGS.
Reported by: Mamoru Iwaki <1wkmmr@gmail.com>