> /usr/src/sys/dev/isa/files.isa:435: redefinition of `spkr' It builds when removing the pertinent line from that file.
It works so far, apart from what appears to be a logarithmic decrease in global volume with each concurrent opening of the device. I assume this is done to avoid clipping when multiple large amplitude signals happen to be in phase (?). I wonder how other mixers solve the issue.