Freebsd 4.2 - release, Apache 1.3, PHP-4.0.5

After successful configure on Freebsd 4.2 - Apache 1.3: ./configure --with-apxs I keep getting the following error during make, no matter what I do. = Could someone shed some light on this please. dns.c: In function `php_if_checkdnsrr': dns.c:188: `T_MX' undeclared (first use in this function) dns.c:188: (Each undeclared identifier is reported only once dns.c:188: for each function it appears in.) dns.c:197: `T_A' undeclared (first use in this function) dns.c:198: `T_NS' undeclared (first use in this function) dns.c:200: `T_PTR' undeclared (first use in this function) dns.c:201: `T_ANY' undeclared (first use in this function) dns.c:202: `T_SOA' undeclared (first use in this function) dns.c:203: `T_CNAME' undeclared (first use in this function) dns.c:212: `C_IN' undeclared (first use in this function) dns.c: In function `php_if_getmxrr': dns.c:242: `HEADER' undeclared (first use in this function) dns.c:242: `hp' undeclared (first use in this function) dns.c:243: syntax error before `*' dns.c:281: `i' undeclared (first use in this function) dns.c:281: `C_IN' undeclared (first use in this function) dns.c:281: `T_MX' undeclared (first use in this function) dns.c:286: syntax error before `)' dns.c:287: `cp' undeclared (first use in this function) dns.c:288: `end' undeclared (first use in this function) *** Error code 1 Stop in /usr/home/catfish/usr/local/php-4.0.5/ext/standard. *** Error code 1 Stop in /usr/home/catfish/usr/local/php-4.0.5/ext/standard. *** Error code 1 Stop in /usr/home/catfish/usr/local/php-4.0.5/ext. *** Error code 1 Stop in /usr/home/catfish/usr/local/php-4.0.5. =20 Darin