From Gentoo Wiki
pfl is a weird package
I have no confidence in this package: unknown source (see below).
See bug #634530 (no quality improvement).
#AUTHOR: bones7456 (bones7456<at>gmail<dot>com)
Maybe some Gentoo packages are malicious? I know that some "core packages" are poorly designed or maintained. --Feng (talk) 22:16, 17 June 2019 (UTC)