Did anyone else's Perl 5.26 suddenly break?

[Ryan Schmidt]

On Mar 5, 2018, at 20:06, Dave Horsfall wrote:

> A script that I wrote and has worked fine for ages is now breaking with:
> 
>    Can't locate Scanner.pm in @INC (you may need to install the Scanner module) (@INC contains: /opt/local/lib/perl5/site_perl/5.26/darwin-thread-multi-2level /opt/local/lib/perl5/site_perl/5.26 /opt/local/lib/perl5/vendor_perl/5.26/darwin-thread-multi-2level /opt/local/lib/perl5/vendor_perl/5.26 /opt/local/lib/perl5/5.26/darwin-thread-multi-2level /opt/local/lib/perl5/5.26) at ./uniscan.pl line 40.
>    BEGIN failed--compilation aborted at ./uniscan.pl line 40.
> 
> That "Scanner.pm" module is one I wrote myself, and it's definitely there.
> 
> No, I haven't changed anything, and it works just fine on my FreeBSD (5.24) and Penguin (5.20) boxes.  Older Mac versions of Perl also work (5.16, 5.22, 5.24).
> 
> Rebooted (ugh!) to eliminate a corrupted image in swap: nope.
> 
> Uninstalled and reinstalled in case the disk binary was corrupt: nope.
> 
> Don't tell me that Perl 5.26 comes with a built-in time-bomb...

Add -I to CPPFLAGS. Perl < 5.26 did so automatically, but 5.26 no longer does.

See for example https://github.com/macports/macports-ports/commit/454eb2b0608266ab7bdf51a82d690be0f97610fe