Warn the first time a server is started. Incorrect for info-test with POSIX threads, so suppress the warning there. Improve the warning message a bit while we're at it. Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
Replaces info/checklist.pl, which has been broken since commit 56d9445, v4.3.0. Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
56d9445