The link to the source code is broken and it can't build program the source is available on the way back machine. https://web.archive.org/web/20150815000000*/http://ftp.de.debian.org/debian/pool/main/c/cairo-clock/cairo-clock_0.3.4.orig.tar.gz I think it is on the Ubuntu server as well.
Flagged Out-of-Date Comment: cairo-clock
chiwat flagged cairo-clock out-of-date on 2023-09-08 (UTC) for the following reason: