[PHP-DB]problem in creating the ibm_db2 extension

Hi All,

I have installed db2 on my* fedora core 7* system and now i wan t to access
the database using the* php apis*. For this reason I downloaded the *ibm_db2
1.6* package and tried to create the extension. I did the following

phpize

output is
Configuring for:
PHP Api Version:         20041225
Zend Module Api No:      20060613
Zend Extension Api No:   220060519

./configure --with-IBM_DB2=/opt/ibm/db2/V9.5
part of the ouput

checking for re2c... no
configure: WARNING: You will need re2c 0.12.0 or later if you want to
regenerate PHP parsers.
checking for gawk... gawk
checking for IBM_DB2 support... yes, shared
checking Looking for DB2 CLI libraries... checking      in
/opt/ibm/db2/V9.5...
checking      in /opt/ibm/db2/V9.5/lib64...
checking      in /opt/ibm/db2/V9.5/lib32... found
checking for DB2 CLI include files in default path... checking in
/opt/ibm/db2/V9.5... not found

and I get  the above error

Any help would be of great help.Thanks in advance

With Regards,
harsha