I think you'd pass it as an argument to configure ./Configure ... -DPERL_USE_UNSAFE_INC=1 ... (but I'm not sure and if it's wrong somebody should correct). Another option rather than recompiling perl might be to explicitly add to the search path with something like PERL5LIB=.:$PERL5LIB in the relevant shell environment.

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re: How and where to pass PERL_USE_UNSAFE_INC=1; to Perl while compilation. by Fletch
in thread How and where to pass PERL_USE_UNSAFE_INC=1; to Perl while compilation. by Anonymous Monk

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