* perl: prepend default perl @INC path to support package activation
* perl: remove stray comma from list of configure arguments
* perl: final comma in configure arguments makes adding arguments safer
This reverts commit fdc10cd611f525ebc31ca1953e048095b1c75350.
* perl: add comment about modified @INC (thanks to George Hartzell)
* perl: use self.prefix.lib and self.prefix.bin for clarity
* perl: convert tabs added by editor to spaces for flake8
* perl: use new path syntax: prefix.lib.perl5
* perl: avoid line break before binary operator
* perl: use compact spack syntax for perl executable
4044e9f918