ERROR: perl: Version 5.006001 is installed, but we need version >= 5.008000
ERRORS/WARNINGS FOUND IN PREREQUISITES.  You may wish to install the versions
 of the modules indicated above before proceeding with this installation.

Checking whether your kit is complete...
Looks good
Creating new 'Build' script for 'Config-Irssi-Parser' version '0.0.4'
Can't locate Module/Build/Yapp.pm in @INC (@INC contains: _build/lib /export/home/cpanrun/depot/main/Apps/CPAN_Run/lib /export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi /export/home/cpanrun/build/5.6.1/lib/5.6.1 /export/home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/sun4-solaris-thread-multi /export/home/cpanrun/build/5.6.1/lib/site_perl/5.6.1 /export/home/cpanrun/build/5.6.1/lib/site_perl .) at Makefile.PL line 30.
/export/home/cpanrun/build/5.6.1/bin/perl Build.PL