* bench/ltl2tgba/known (ltlfile): Add a $srcdir. * bench/ltlclasses/defs.in (builddir): Add the $builddir. * bench/ltlclasses/run (gen): Change the $srcdir into $builddir.
* bench/ltlclasses/: New benchmark. * bench/Makefile.am: Add it. * configure.ac: Adjust.