Checking if your kit is complete...
Looks good
Writing Makefile for Math::Factor
cp lib/Math/Factor.pm blib/lib/Math/Factor.pm
Manifying blib/man3/Math::Factor.3
/home/cpanrun/parisc2.0-lp64/build/5.8.2/bin/perl "-Iblib/arch" "-Iblib/lib" Build.PL Build
Too early to specify a build action 'Build'.  Do 'Build Build' instead.
make: *** [Build] Error 2