K 10 svn:author V 6 gerald K 8 svn:date V 27 2020-11-09T18:33:57.029978Z K 7 svn:log V 246 Streamline handling of which front ends are built (given that it's essentially locked to C and C++). Also remove SSP_UNSAFE which was added by r327697 in 2013 to the pre-pre-...-predecessor of this port and does not appear necessary any longer. END