Using the steps below you can successfully compile ZeroTier for x86_64, arm64 and arm32 (armv7) Linux systems. The resulting executable has zero dependencies thanks to static linking thus can be basically used on any Linux, including all Synology NAS models. We used a virtual machine for x86_64 build and Raspberry Pi 4 for arm64 build all running Ubuntu 22.04.
Related:
Install required build tools:
sudo apt install curl build-essential pkg-config libssl-dev
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
source "$HOME/.cargo/env"
Download & extract ZeroTier:
ZT_VERSION=1.14.0
wget https://github.com/zerotier/ZeroTierOne/archive/refs/tags/$ZT_VERSION.tar.gz
tar zxf $ZT_VERSION.tar.gz
cd ZeroTierOne-*
Build ZeroTier executable (takes time) and strip it to minimize size:
make -j`nproc` ZT_STATIC=1
strip zerotier-one
Create a .tar.gz archive containing zerotier-one binary and **zerotier-cli **symlink:
tar -czvf zerotier_$(uname -p)_$ZT_VERSION.tar.gz zerotier-one zerotier-cli
Note: we failed to compile ZeroTier static on Raspberry Pi 2b 1GB for older armv7 32-bit Synology models.