I try build debian packages from source and cannot resolve this error

Could you help fix this

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f# dpkg-buildpackage

dpkg-buildpackage: info: source package freeswitch

dpkg-buildpackage: info: source version 1.8.1+git~20180820T214133Z~aa3c034e9f-1~stretch+1

dpkg-buildpackage: info: source distribution testing

dpkg-buildpackage: info: source changed by Travis Cross <tc@traviscross.com>

dpkg-buildpackage: info: host architecture amd64

 dpkg-source --before-build freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f

dpkg-checkbuilddeps: error: Unmet build dependencies: libflite-dev libv8fs-6.1-dev

dpkg-buildpackage: warning: build dependencies/conflicts unsatisfied; aborting

dpkg-buildpackage: warning: (Use -d flag to override.)

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f# 

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f# 

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f# 

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f# 

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f# apt-get install  libv8fs-6.1-dev

Reading package lists... Done

Building dependency tree       

Reading state information... Done

E: Unable to locate package libv8fs-6.1-dev

E: Couldn't find any package by glob 'libv8fs-6.1-dev'

E: Couldn't find any package by regex 'libv8fs-6.1-dev'

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f# apt-get install libflite-dev    

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Some packages could not be installed. This may mean that you have

requested an impossible situation or if you are using the unstable

distribution that some required packages have not yet been created

or been moved out of Incoming.

The following information may help to resolve the situation:


The following packages have unmet dependencies:

 libflite-dev : Depends: libflite1 (= 2.0.0-0~1-jessie+1) but 2.0.0-release-3+b1 is to be installed

E: Unable to correct problems, you have held broken packages.

root@node0:~/freeswitch-1.8.1+git~20180820T214133Z~aa3c034e9f#