It seems that GMP is a library external to Perl. Most likely, your system administrator would need to install that prerequisite as well. Usually, vendors provide precompiled packages of such libraries with the package manager of the OS.

In reply to Re^3: Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::Calc at /usr/lib/perl5/site_perl/5.8.8/Crypt/DH.pm line 6 by Corion
in thread Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::Calc at /usr/lib/perl5/site_perl/5.8.8/Crypt/DH.pm line 6 by sugarboy

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