Pavel Sanda wrote: > Busch, Andreas wrote: > > I use GNU RCS 5.9.0 which appears to be the most recent, on a Mac with High > > Sierra (10.13.2) and LyX 2.2. Updating to LyX 2.3rc1 made no difference. I > > am not sure whether the last successful use of rcs with LyX predates > > upgrading to High Sierra, otherwise there were no changes to my setup. > > > > Having checked the mailing list archive, I find no recent discussion of > > problems around rcs. If anyone has an idea where the cause of the error may > > be or any suggestions what else I should try I'd be very grateful!
For the record, it turned out that High Sierra is no more compatible with old RCS binaries (if you manually run co -l file.lyx you get "Illegal instruction: 4"). Compiling RCS via homebrew fixed the problem. Pavel
