Checking if your kit is complete...
Warning: prerequisite Math::BigFloat 1.42 not found at /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/MakeMaker.pm line 343.
Warning: prerequisite Math::BigInt 1.68 not found at /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/MakeMaker.pm line 343.
Looks good
Writing Makefile for Math-BigInt-BitVect