FreeBSD UrBackup 2.1.19 Install Problems

Hi guys,
Where am i making mistakes ?
Thanks in advance for your valuable comments

OS:
FreeBSD 12.0-CURRENT FreeBSD 12.0-CURRENT #0 r316750: Thu Apr 13 08:03:28 UTC 2017
root@releng3.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64

To be installed:
urbackup-server-2.1.19.tar.gz

Inspired address https://www.urbackup.org/freenasserverinstall.html

Error:
make[2]: stopped in /urbackup/urbackup-server-2.1.19
*** [all-recursive] Error code 1

make[1]: stopped in /urbackup/urbackup-server-2.1.19
1 error

make[1]: stopped in /urbackup/urbackup-server-2.1.19
*** [all] Error code 2

make: stopped in /urbackup/urbackup-server-2.1.19
1 error

Cleanly loaded operating system
Made parameters:

freebsd-update fetch
freebsd-update install

portsnap fetch
portsnap extract

portsnap fetch
portsnap update

portsnap fetch update

cd /usr/ports/security/cryptopp/ && make install clean

pkg install cryptopp

pkg install curl

pkg install glib

pkg install autoconf

pkg install cups

pkg install gmake

pkg install nettle

pkg install gcc

pkg install gpp

pkg install fuse

pkg install autoconf

./configure && make && make install

autoreconf --install
./configure
make -j8

No such file or directory at /usr/local/share/autoconf