sudo perl -MCPAN -e 'force install Math::Bigint'

##</code><code>##

Running make test
PERL_DL_NONLAZY=1 /usr/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'inc', 'blib/lib', 'blib/arch')" t/00-compile.t t/01-dh.t
t/00-compile.t .. Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::Calc at /home/xxx/.cpan/build/Crypt-DH-0.06/blib/lib/Crypt/DH.pm line 6
t/00-compile.t .. ok
t/01-dh.t ....... Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::Calc at /home/xxx/.cpan/build/Crypt-DH-0.06/blib/lib/Crypt/DH.pm line 6
t/01-dh.t ....... 16/21