PHP upgrade

Hello,

I am trying to upgrade php version from 5.6.19 to 5.6.23.

But I am facing the following issue
[root:/tmp/php5:] rpm -Uvh *
error: Failed dependencies:
       /opt/freeware/bin/perl is needed by automake-1.15.1-1.pp
[root:/home/root:] rpm -qi perl
package perl is not installed
[root:/home/root:] which perl
/usr/bin/perl

In case of need ==>
it is AIX 7.1
[root:/home/root:] lslpp -L rpm.rte                                
 Fileset                      Level  State  Type  Description (Uninstaller)
 ----------------------------------------------------------------------------
 rpm.rte                  4.13.0.10    C     F    RPM Package Manager

I am not very familiar with AIX, any help it would be much appreciated.
Thank you in advance