v-string in use/require non-portable at Build.PL line 8.
Checking whether your kit is complete...
Looks good

Checking prerequisites...
Looks good

Creating new 'Build' script for 'Object-Factory-Declarative' version '0.07'
lib/Object/Factory/Declarative.pm -> blib/lib/Object/Factory/Declarative.pm
Manifying blib/lib/Object/Factory/Declarative.pm -> blib/libdoc/Object::Factory::Declarative.3
HTMLifying blib/lib/Object/Factory/Declarative.pm -> blib/libhtml/site/lib/Object/Factory/Declarative.html
t/1....ok
All tests successful.
Files=1, Tests=2,  0 wallclock secs ( 0.11 cusr +  0.01 csys =  0.12 CPU)
Installing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/Object/Factory/Declarative.pm
Installing /home/cpanrun/build/5.8.0/man/man3/Object::Factory::Declarative.3
Installing /home/cpanrun/build/5.8.0/html/site/lib/Object/Factory/Declarative.html
Writing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/i686-linux-thread-multi/auto/Object/Factory/Declarative/.packlist