[CM] loading libc_s7.so

[bil at ccrma.Stanford.EDU]

This is probably the "pipewire problem"; apparently
the issue (at pipewire) was closed and labelled that
it was no longer a problem -- someone at pipewire
is embarrassed about unfixed bugs, I guess.
The cmdist archives for early September has:

The workaround for the pipewire problem in Snd
(or repl.scm in s7) is to

(define stderr-buffered #t)

in your Snd init file, or if you're not using one,
put that line at the top of repl.scm.