It brings bison as a build dependency in case it is set the following way:
USES= bison or USES= bison:build
it brings bison as a run dependency in case it is set the following way:
USES= bison:run
it brings bison both as a run and build dependency in case it the set the following way:
USES= bison:both
While here trim some headers
Convert some USE_GNOME= gnomehack to USES= pathfix
While I'm here, mark the configure patch as forwarded upstream, although
it would only be fair to say that upstream noticed it by themselves and
committed it to their tree before I had a chance to contact them about it :)
Feature safe: yes