log() appears to be called for a lot of progress messages without LOG_BABBLE. This causes the messages to be saved in both setup.log and setup.log.full. "io_stream::~io_stream called" in io_stream.cc in particular adds a lot of bulk to setup.log.
I think I can identify many of those low-level progress messages that would be better not included in setup.log. Would you be interested in a patch? -- Mac :}) ** I normally forward private questions to the appropriate mail list. ** Give a hobbit a fish and he eats fish for a day. Give a hobbit a ring and he eats fish for an age.