Hi Colin,
For a reproducer, run the following commands from a clone of the Linux
man-pages repo (although you should be able to reproduce in any Debian
installation, I guess).
$ sudo rm -r /opt/local/man/
$ sudo make install-man2 prefix=/opt/local/man LINK_PAGES=symlink -j | wc -l
503
$ export MANPATH=/opt/local/man/share/man
$ man -Kaw RLIMIT_NOFILE | sort | uniq -c
3 /opt/local/man/share/man/man2/dup.2
2 /opt/local/man/share/man/man2/fcntl.2
5 /opt/local/man/share/man/man2/getrlimit.2
3 /opt/local/man/share/man/man2/open.2
1 /opt/local/man/share/man/man2/pidfd_getfd.2
1 /opt/local/man/share/man/man2/pidfd_open.2
2 /opt/local/man/share/man/man2/poll.2
1 /opt/local/man/share/man/man2/seccomp_unotify.2
4 /opt/local/man/share/man/man2/select.2
Those numbers coincide with 1+ the number of symlinks for each of the
pages. For example, see select.2:
$ find /opt/local/man/share/man -type l | xargs readlink | grep -c /select.2
3
man(1) found the original page, plus the 3 symlinks.
The solution should be that man(1) ignores link pages for -K, since
looking at the source code of one page won't change the results from
a different page.
Cheers,
Alex
--
<http://www.alejandro-colomar.es/>
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