Subject: Provide option to use perl with grep

From: Jacob Hrbek <[email-masked]>
Date: Sun, 16 Jan 2022 06:46:11 +0000

|$ grep -rnwP '(inputs.* ._)' -A 20 gnu/packages/_.scm grep: Perl
matching not supported in a --disable-perl-regexp build ^ Expecting this
to work< but perl dependency is only defined for build-time and the
package lacks option to include Perl on demand |

--
Jacob Hrbek