when compilling mod_perl (see version above) it fails on file /usr/ports/www/mod_perl/work/mod_perl-1.29/apaci/Connection.c with following errors:
cc -DPIC -fPIC -O -pipe -I/usr/local/lib/perl5/5.8.6/mach/CORE -DAPPLLIB_EXP="/usr/local/lib/perl5/5.8.6/BSDPAN" -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -I/usr/local/include  -DMOD_PERL_VERSION=\"1.29\" -DMOD_PERL_STRING_VERSION=\"mod_perl/1.29\" -DMOD_PERL_PREFIX=\"/usr/local/lib/perl5/site_perl/5.8.6/i386-freebsd-thread-multi-64int\" -I/usr/local/include/apache -DMOD_PERL -DHARD_SERVER_LIMIT=512  -DDOCUMENT_LOCATION=\"/usr/local/www/data/\"  -DDEFAULT_PATH=\"/usr/local/bin:/bin:/usr/bin\"  -DACCEPT_FILTER_NAME=\"httpready\" -DFD_SETSIZE=1024 -funsigned-char -DINET6 -Dss_family=__ss_family -Dss_len=__ss_len -DHAVE_SOCKADDR_LEN -DMOD_SSL=208122 -DEAPI -DEAPI_MM -DUSE_EXPAT -I../lib/expat-lite -O -pipe  -DNO_IDEA -O -pipe   -c Connection.c && mv Connection.o Connection.lo
Connection.c: In function `XS_Apache__Connection_remote_ip':
Connection.c:165: error: syntax error before '(' token
Connection.c:169: error: request for member `ai_family' in something not a structure or union
Connection.c:170: error: request for member `ai_flags' in something not a structure or union
Connection.c:171: error: `res0' undeclared (first use in this function)
Connection.c:171: error: (Each undeclared identifier is reported only once
Connection.c:171: error: for each function it appears in.)
Connection.c:171: warning: passing arg 3 of `getaddrinfo' from incompatible pointer type
*** Error code 1

Stop in /usr/ports/www/mod_perl/work/mod_perl-1.29/apaci.
*** Error code 1

Stop in /usr/ports/www/mod_perl/work/mod_perl-1.29.
*** Error code 1

Stop in /usr/ports/www/mod_perl.

How-To-Repeat: install above packages
cd /usr/local/www/mod_perl
make all