In ikiwiki-2.60, external plug-ins are yet again installed using 'cp -a' instead of 'install -m 755'. This poses a problem on at least FreeBSD 6.x, since the cp(1) command doesn't support the '-a' flag.
The change in question (from 2.56 to 2.60) can be seen here:
- for file in `find plugins -maxdepth 1 -type f ! -wholename plugins/.\*`; do \