PKGNAME of perl package

[Stefan Esser]

Just noticed that the package name of the perl ports does not match the
PKGNAME variable:

$ make -C /usr/ports/lang/perl5.26/ -V PKGNAME
perl5-5.26.3

# make package
===>  Building package for perl5.26-5.26.3

There is a mismatch of names

	perl5-5.26.3 vs. perl5.26-5.26.3

and this confuses (my version of) portmaster ...

Is this by design and what use is the PKGNAME variable, if the package
is actually created under another name?

Which variable should I use to get the actual package name from the
port's Makefile?

STefan