PERL_LOCAL_LIB=/Users/sdk/perl5/perlbrew/perls/perl-5.21.6/lib # I tried with and without /lib
PERL_MB_OPT=--install_base "/Users/sdk/perl5/perlbrew/perls/perl-5.21.6"
PERL_MB_OPT='--install_base "/Users/sdk/perl5/perlbrew/perls/perl-5.21.6"'
PERL_MM_OPT=INSTALL_BASE=/Users/sdk/perl5/perlbrew/perls/perl-5.21.6