[CM] s7_repl fails to build libc_s7.so on initial run

[bil at ccrma.Stanford.EDU]

Thanks for the bug report!  That code is messed up -- I was
trying to make it "do the right thing" as often as possible,
and missed that case somehow.  I think this version of the
code works, but maybe it would be better to return to the
old form (in repl.c):
-------------- next part --------------
A non-text attachment was scrubbed...
Name: s7-repl-code
Type: text/x-c
Size: 4162 bytes
Desc: not available
URL: <https://cm-mail.stanford.edu/pipermail/cmdist/attachments/20210628/33918e22/attachment.bin>