You can define a path to your library using .bash_profile for standalon scripts and .htaccess for web based scripts:

in the .bash_profile:
export PERL5LIB='~/prod_support/scripts' 

in the .htaccess:
PerlSetEnv PERL5LIB ~/prod_support/scripts
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SV* sv_bless(SV* sv, HV* stash);