[yocto] I'm trying install DDCLIENT in intel edison with yocto project

[neuber sousa]

I have errors: root at neuberfran:~# ddclient -v
Can't locate Sys/Hostname.pm in @INC (you may need to install the
Sys::Hostname module) (@INC contains: /etc/perl
/usr/lib/perl/site_perl/5.20.0/ /usr/lib/perl/site_perl/5.20.0
/usr/lib/perl/vendor_perl/5.20.0/ /usr/lib/perl/vendor_perl/5.20.0
/usr/lib/perl/5.20.0/ /usr/lib/perl/5.20.0 /usr/local/lib/site_perl
/usr/lib/perl/5.20.0 .) at /usr/sbin/ddclient line 25.
BEGIN failed--compilation aborted at /usr/sbin/ddclient line 25.

I this is* because libjson-perl *package

How to install* libjson-perl *package in yocto image ?
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