weird issues w/PHP install

I have installed PHP numerous times using the same configuration and this is the first time I have run into this issue. solaris 2.8 on e3500 apache 1.3.27 ( --enable-module=so --prefix=/usr/local/apache) php 4.3.2 ( --with-apxs --with-mysql --with-mssql=/usr/local/freetds --enable-ftp --with-mcrypt=/usr/local --with-pear --with-zlib ) mcrypt, freetds both installed fine installation of PHP is fine attempt to restart apache give: Syntax error on line 205 of /usr/local/apache/conf/httpd.conf: Cannot load /usr/local/apache/libexec/libphp4.so into server: ld.so.1: /usr/local/apache/bin/httpd: fatal: relocation error: file /usr/local/apache/libexec/libphp4.so: symbol ap_block_alarms: referenced symbol not found Google of this error returns some issues with zlib around the php 4.0 - 4.2 versions. any thoughts would be extremely helpful. mike