When trying to start apache I get the following error:
../bin/apachectl graceful: httpd not running, trying to start
Syntax error on line 242 of /mpathix/webserver/apache/1.3.11DSO/conf/httpd.conf:
Cannot load /mpathix/webserver/apache/1.3.11DSO/libexec/libphp4.so into server:
ld.so.1: /mpathix/webserver/apache/1.3.11DSO/bin/httpd: fatal: relocation error:
 file /mpathix/informix/lib/esql/libifsql.so: symbol ifx_checkAPI: referenced sy
mbol not found
../bin/apachectl graceful: httpd could not be started

The symbol, ifx_checkAPI, is found in checkapi.o and although two previous bug reports ( said this was fixed, I'm seeng the 

Informix IDS: 7.31.UC6
Informix SDK: v2.40 uc1.1
INFORMIX-ESQL Version 9.30.UC1
Solaris 2.6 on a Sun Sparc Ultra-5
PHP 4.0.2
Apache 1.3.11
gcc v2.95.2

esql 
configure --with-apxs=/mpathix/webserver/apache/httpd/bin/apxs \
            --with-config-file-path=/mpathix/webserver/apache/httpd/conf \
            --enable-versioning \
            --with-informix=yes \
            --without-mysql \
            --enable-track-vars