Make errors with 4.0.5

I am running the following: Freebsd4.2-RELEASE Apache 1.3 I have in the past successfully configured and installed PHP 4.0.1pl2. I am trying to get upgrade to 4.0.5 with support for PayFlow Pro. I successfully configured as thus: ./configured --with-apxs After running make, I get the following error: 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. Could someone please let me know what is going on here. It seems as though a file is missing somewhere. I have even downloaded the version 3 times. darin