I see. I thought the OP was saying the bit was in Makefile.PL, not Makefile.

The problem is still that a Makefile for unix was generated. Since the testers say it's fine, I'm going to assume it's not File::ShareDir::Install that's non-portable either. Then I suspect some mixes of two OSes was used to build this Makefile. Cygwin, MSYS or MSYS2 was involved. Don't use a unix emulation when you want to install something for Windows.

In reply to Re^3: create-modulino.pl appears in a CPAN module Makefile.PL, and nukes the install retval by ikegami
in thread create-modulino.pl appears in a CPAN module Makefile.PL, and nukes the install retval by Intrepid

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