The goal is install FRR under a Raspian Distro
Here, each step to download and install FRR.
Source: http://docs.frrouting.org/en/latest/installation.html
git clone https://github.com/FRRouting/frr.git
Here my script running througt a cron.
#!/bin/bash
#Changement de repository
cd /home/pi/gitclone/frr
# update du Git
git pull
# Build de l'Autoconf
./bootstrap.sh
#Processing du build
./configure --enable-exampledir=/usr/share/doc/frr/examples/ --localstatedir=/var/run/frr --sbindir=/usr/lib/frr --sysconfdir=/etc/frr --enable-vtysh --enable-isisd --enable-pimd --enable-watchfrr --enable-ospfclient=yes --enable-ospfapi=yes --enable-multipath=64 --enable-user=frr --enable-group=frr --enable-vty-group=frrvty --enable-configfile-mask=0640 --enable-logfile-mask=0640 --enable-rtadv --enable-fpm --enable-ldpd --with-pkg-git-version --with-pkg-extra-version=-MyOwn
FRRVersion
make
make check
sudo make install <<< *******