IIRC, IVs must be big enough to hold a pointer, so it is not possible to compile Perl with 32 bit IVs on a 64 bit platform.

In reply to Re: How to build perl-5.32.0 (or later) with ivsize of 4 on Ubuntu-20.04 ? by salva
in thread How to build perl-5.32.0 (or later) with ivsize of 4 on Ubuntu-20.04 ? by syphilis

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