New comment by gspe on void-packages repository

https://github.com/void-linux/void-packages/issues/27965#issuecomment-764949476

Comment:
This is my `etc/conf`
```
cat etc/conf
# [OPTIONAL]
# Enable building package locally that are restricted legally for redistribution.
# NOTE: you can't distribute the sources or binaries for such kind of packages.
#
XBPS_ALLOW_RESTRICTED=yes

# [OPTIONAL]
# Number of parallel jobs to execute when building packages that
# use make(1) or alike commands.
#
XBPS_MAKEJOBS=16

# [OPTIONAL]
# Enable running the (optional) do_check() function of a package.
# When set to 'full', will enable further testing for some packages.
#
# XBPS_CHECK_PKGS=yes
XBPS_CHECK_PKGS=full
```