Cannot build www/mod_dnssd with poudriere

[Raphael Kubo da Costa]

(Sorry if a similar message shows up later, gmane didn't seem to deliver
my original reply)

Wolfgang Riegler <wolfgang.riegler at gmx.de> writes:
> ./mod_dnssd.c:29:23: error: mod_unixd.h: No such file or directory
> ./mod_dnssd.c:911: warning: missing initializer
> ./mod_dnssd.c:911: warning: (near initialization for 'commands[8].func')
[...]
> ===>  Cleaning for ap22-mod_dnssd-0.6_12

mod_unixd.h is only present in Apache 2.4, not 2.2. Is mod_dnssd
supposed to work with www/apache22?