Build Notes  for the perl-DBD-DB2 on RedHat6.x  p-Series
 
DB2 must be installed on the linux machine to build the DBD
install  rpm_build
install cpan2rpm 
#run cpan2rpm DBD-DB2-1.78.tar.gz --author xCAT  --version 1 ( to create a SPEC)
export DB2_HOME=/opt/ibm/db2/V9.7
export DB2LIB=/opt/ibm/db2/V9.7/lib64 
cd /usr/src/redhat/SPECS
Use the DBD-DB2.spec supplied in this directory
cp DBD-DB2.spec /usr/src/redhat/SPECS
rpmbuild -ba DBD-DB2.spec
This creates
/root/rpm/RPMS/ppc64/perl-DBD-DB2-1-1.ppc64.rpm

Note on Redhat 6
vi /etc/ld.so.conf
add the following line
/opt/ibm/db2/V9.7/lib64

The run ldconfig