Added -D_ANSI_SOURCE as discussed with bde, removed bogus -trigraph (pointed out by bde), included check of operands (suggested by joerg)
Added -D_ANSI_SOURCE as discussed with bde,
removed bogus -trigraph (pointed out by bde),
included check of operands (suggested by joerg)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase