General info about OpenWrt buildsystem: link.
Prepare build environment
For Debian based distributions, run:
sudo apt-get install git build-essential libssl-dev libncurses5-dev \
unzip zlib1g-dev subversion mercurial
For other environments, instructions can be found in the official documentation.
Get OpenWrt Sources (from Git)
The OpenWrt build will fail if you run it as root. So take care to run it as a nonprivileged user.
Clone the OpenWrt sources and retrieve the package feeds
git clone https://github.com/openwrt/openwrt.git
./scripts/feeds update -a
./scripts/feeds install -a
Configure OpenWrt for your target and select the needed FRR packages in Network -> Routing and Redirection -> frr, exit and save
Then, to compile either a complete OpenWrt image, or the FRR packages, run:
make or make package/frr/compile
It may be possible that on first build
make package/frr/compile not
to work and it may be needed to run a
make for the entire build
V=s to get more debugging output.
More information about OpenWrt buildsystem can be found here.
Work with sources
To update to a newer version, or change other options, you need to edit the
More information about working with patches in OpenWrt buildsystem can be found here.
/usr/sbin/frr.init and add/remove the daemons name in section
DAEMONS= or don’t install unneeded packages For example: zebra bgpd ldpd
isisd nhrpd ospfd ospf6d pimd ripd ripngd
Enable the service
service frr enable
Start the service
service frr start