Requring minimum perl version in a cpanfile

Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

I am using cpanfile with my app to try to make it easier to install for non-perl users.

I added a line in cpanfile specifying the minimum perl version, but I was expecting it to bail if the requirement wasn't met.

Instead, it only prints a line after it tries to install everything, saying the perl version isn't in the specified range.

I also added the requires line inside an

on 'configure' => sub { }
[download]

, but it behaves the same.

Is there a way to make it bail on the perl version, before it wastes time trying to install a bunch of modules?

Comment on Requring minimum perl version in a cpanfile Download Code

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Re: Requring minimum perl version in a cpanfile by stevieb (Canon) on Jan 19, 2017 at 22:35 UTC
What build tool are you using? I use ExtUtil::MakeMaker, and in my Makefile.PL, I add the following directive: `MIN_PERL_VERSION => 5.010,` [download] ...and that seems to work for me.	[reply] [d/l]
Re^2: Requring minimum perl version in a cpanfile by Anonymous Monk on Jan 19, 2017 at 22:46 UTC
It's not going on cpan, so it's not going to use a build tool. No EUMM, no MB. Just "cpanm --installdeps ."	[reply]
Re^3: Requring minimum perl version in a cpanfile by Corion (Patriarch) on Jan 20, 2017 at 06:54 UTC
If you were to use EUMM instead of `cpanfile`, `cpanm --installdeps .` would still work but you could specify your minimum Perl version.	[reply] [d/l] [select]
Re^3: Requring minimum perl version in a cpanfile ( inc::Module::Install ) by Anonymous Monk on Jan 20, 2017 at 07:53 UTC
Your Makefile.PL can be as simple as `use inc::Module::Install; name 'Dist-Name'; all_from 'lib/Dist/Name.pm'; do 'cpanfile'; ## as cpanfile uses Module::Install syntax perl_version '5.666'; ## make it die WriteAll;` [download] See Module::Install	[reply] [d/l]
Re^4: Requring minimum perl version in a cpanfile ( inc::Module::Install ) by Corion (Patriarch) on Jan 20, 2017 at 07:56 UTC
Re^5: Requring minimum perl version in a cpanfile ( use lib '.'; ) by Anonymous Monk on Jan 20, 2017 at 07:59 UTC
Some notes below your chosen depth have not been shown here
Re: Requring minimum perl version in a cpanfile (cpanm bug) by Anonymous Monk on Jan 20, 2017 at 02:11 UTC
Is there a way to make it bail on the perl version, before it wastes time trying to install a bunch of modules? It doesn't appear that way Looks like a bug, like it should be checking perl version requirement before other requirements	[reply]


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