I am having a similar problem. SELinux has been disabled. I am running Fedora 8. Any help would be great.
Syntax error on line 205 of /root/ispconfig/httpd/conf/httpd.conf:
Cannot load /root/ispconfig/httpd/libexec/libphp5.so into server: /root/ispconfig/httpd/libexec/libphp5.so: symbol __fixunsdfdi, version libmysqlclient_15 not defined in file libmysqlclient.so.15 with link time reference
/root/ispconfig/httpd/bin/apachectl startssl: httpd could not be started