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Good point.

:) thats why its on every checklist :)

Was that the wrong way to do it?

Nope, but it doesn't compile the c header it merely parses so there are https://metacpan.org/pod/h2ph#BUGS ... its old :)

And is it normal that I have to do that on my own (as I said I installed via perlbrew and there were no .phs generated then?

Yes, absolutely, h2ph just doesn't happen when building perl ... IIRC it didn't even as far back as 5.6.1

I like the ones that use a compiler to get the real number ...

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