% make V=99 package/cjdns/compile
...
### Installing node.js (you can bypass this step by manually installing node.js v4.6.2 or newer)
==> Downloading http://nodejs.org/dist/v6.9.1/node-v6.9.1-linux-x64.tar.gz with wget... DONE!
==> Verifying the checksum of the downloaded archive... DONE!
==> Extracting the downloaded archive... DONE!
timeout is 600000
rebuildIfChanges changed, rebuilding everything
Initialize 26ms
Error: ccache aarch64-openwrt-linux-musl-gcc is required!
Maintainer: @wfleurant Environment: aarch64-7xx rpi4 / trunk
Description:
building with toggle of advance -> enable ccache