Bug #121141 for Data-ICal: Makefile.PL fails when no '.' in @INC (Can't locate inc/Module/Install.pm in @INC )

When no '.' is in @INC on Perl 5.25.11 or newer ( the default when installing by hand, or when PERL_USE_UNSAFE_INC=0 is set in ENV )
Makefile.PL fails as follows:

Can't locate inc/Module/Install.pm in @INC (you may need to install the inc::Module::Install module) (@INC contains: /etc/perl /usr/local/lib64/perl5/5.25.11/x86_64-linux /usr/local/lib64/perl5/5.25.11 /usr/lib64/perl5/vendor_perl/5.25.11/x86_64-linux /usr/lib64/perl5/vendor_p
erl/5.25.11 /usr/local/lib64/perl5 /usr/lib64/perl5/vendor_perl/5.25.11 /usr/lib64/perl5/vendor_perl/5.22.3 /usr/lib64/perl5/vendor_perl /usr/lib64/perl5/5.25.11/x86_64-linux /usr/lib64/perl5/5.25.11) at Makefile.PL line 1.
BEGIN failed--compilation aborted at Makefile.PL line 1.               

See also: http://cpan.simcop2387.info/logs/Data::ICal_incfailure.log
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- CPAN kentnl@cpan.org
- Gentoo Perl Maintainer kentnl@gentoo.org ( perl@gentoo.org )