I'm using this node on 2x Ubuntu machines and have spent the afternoon trying to get it installed on my Pi. All the pre-requisites are installed but I get the the following long list of errors. Any ideas anyone?
2021-10-31T16:44:28.898Z Install : node-red-node-discovery 0.0.23
2021-10-31T16:44:29.949Z npm install --no-audit --no-update-notifier --no-fund --save --save-prefix=~ --production --engine-strict node-red-node-discovery@0.0.23
2021-10-31T16:44:34.995Z [err] npm
2021-10-31T16:44:34.999Z [err]
2021-10-31T16:44:34.999Z [err] WARN old lockfile
2021-10-31T16:44:34.999Z [err] npm
2021-10-31T16:44:35.000Z [err] WARN
2021-10-31T16:44:35.000Z [err] old lockfile The package-lock.json file was created with an old version of npm,
2021-10-31T16:44:35.001Z [err] npm WARN
2021-10-31T16:44:35.001Z [err] old lockfile so supplemental metadata must be fetched from the registry.
2021-10-31T16:44:35.001Z [err] npm
2021-10-31T16:44:35.001Z [err] WARN old lockfile
2021-10-31T16:44:35.002Z [err]
2021-10-31T16:44:35.002Z [err] npm WARN
2021-10-31T16:44:35.002Z [err] old lockfile This is a one-time fix-up, please be patient...
2021-10-31T16:44:35.002Z [err] npm
2021-10-31T16:44:35.003Z [err] WARN old lockfile
2021-10-31T16:44:52.148Z [err] npm
2021-10-31T16:44:52.149Z [err] ERR! code
2021-10-31T16:44:52.150Z [err] 1
2021-10-31T16:44:52.150Z [err] npm
2021-10-31T16:44:52.150Z [err] ERR! path /home/pi/.node-red/node_modules/mdns
2021-10-31T16:44:52.182Z [err] npm
2021-10-31T16:44:52.183Z [err] ERR! command failed
2021-10-31T16:44:52.183Z [err] npm
2021-10-31T16:44:52.184Z [err] ERR! command sh -c node-gyp rebuild
2021-10-31T16:44:52.184Z [err] npm ERR! make: Entering directory '/home/pi/.node-red/node_modules/mdns/build'
2021-10-31T16:44:52.185Z [err] npm ERR! CXX(target) Release/obj.target/dns_sd_bindings/src/dns_sd.o
2021-10-31T16:44:52.185Z [err] npm ERR! make: Leaving directory '/home/pi/.node-red/node_modules/mdns/build'
2021-10-31T16:44:52.186Z [err] npm
2021-10-31T16:44:52.186Z [err] ERR! gyp info it worked if it ends with ok
2021-10-31T16:44:52.186Z [err] npm
2021-10-31T16:44:52.187Z [err] ERR! gyp info using node-gyp@8.3.0
2021-10-31T16:44:52.190Z [err] npm ERR! gyp info using node@12.20.2 | linux | arm
2021-10-31T16:44:52.190Z [err] npm ERR! gyp info find Python using Python version 3.7.3 found at "/usr/bin/python3"
2021-10-31T16:44:52.190Z [err] npm ERR! gyp info spawn /usr/bin/python3
2021-10-31T16:44:52.190Z [err] npm ERR! gyp info spawn args [
2021-10-31T16:44:52.190Z [err] npm ERR! gyp info spawn args '/usr/lib/node_modules/npm/node_modules/node-gyp/gyp/gyp_main.py',
2021-10-31T16:44:52.190Z [err] npm ERR! gyp info spawn args 'binding.gyp',
2021-10-31T16:44:52.190Z [err] npm
2021-10-31T16:44:52.191Z [err] ERR! gyp info spawn args '-f',
2021-10-31T16:44:52.191Z [err] npm ERR! gyp info spawn args 'make',
2021-10-31T16:44:52.191Z [err] npm ERR! gyp info spawn args '-I',
2021-10-31T16:44:52.191Z [err] npm
2021-10-31T16:44:52.192Z [err] ERR! gyp info spawn args '/home/pi/.node-red/node_modules/mdns/build/config.gypi',
2021-10-31T16:44:52.192Z [err] npm
2021-10-31T16:44:52.192Z [err] ERR! gyp info spawn args '-I',
2021-10-31T16:44:52.193Z [err] npm ERR!
2021-10-31T16:44:52.193Z [err] gyp info spawn args '/usr/lib/node_modules/npm/node_modules/node-gyp/addon.gypi',
2021-10-31T16:44:52.193Z [err] npm ERR!
2021-10-31T16:44:52.193Z [err] gyp info spawn args '-I',
2021-10-31T16:44:52.193Z [err] npm ERR!
2021-10-31T16:44:52.194Z [err] gyp info spawn args '/home/pi/.cache/node-gyp/12.20.2/include/node/common.gypi',
2021-10-31T16:44:52.194Z [err] npm
2021-10-31T16:44:52.194Z [err] ERR! gyp info spawn args '-Dlibrary=shared_library',
2021-10-31T16:44:52.194Z [err] npm
2021-10-31T16:44:52.195Z [err] ERR! gyp info spawn args '-Dvisibility=default',
2021-10-31T16:44:52.195Z [err] npm
2021-10-31T16:44:52.195Z [err] ERR! gyp info spawn args '-Dnode_root_dir=/home/pi/.cache/node-gyp/12.20.2',
2021-10-31T16:44:52.195Z [err] npm ERR!
2021-10-31T16:44:52.196Z [err] gyp info spawn args '-Dnode_gyp_dir=/usr/lib/node_modules/npm/node_modules/node-gyp',
2021-10-31T16:44:52.196Z [err] npm
2021-10-31T16:44:52.196Z [err] ERR! gyp info spawn args '-Dnode_lib_file=/home/pi/.cache/node-gyp/12.20.2/<(target_arch)/node.lib',
2021-10-31T16:44:52.196Z [err] npm
2021-10-31T16:44:52.196Z [err] ERR! gyp info spawn args '-Dmodule_root_dir=/home/pi/.node-red/node_modules/mdns',
2021-10-31T16:44:52.196Z [err] npm
2021-10-31T16:44:52.203Z [err] ERR! gyp info spawn args '-Dnode_engine=v8',
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn args '--depth=.',
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn args '--no-parallel',
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn args '--generator-output',
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn args 'build',
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn args '-Goutput_dir=.'
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn args ]
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn make
2021-10-31T16:44:52.209Z [err] npm ERR! gyp info spawn args [ 'BUILDTYPE=Release', '-C', 'build' ]
2021-10-31T16:44:52.209Z [err] npm ERR! In file included from ../src/dns_sd.cpp:1:
2021-10-31T16:44:52.209Z [err] npm ERR! ../src/mdns.hpp:32:10: fatal error: dns_sd.h: No such file or directory
2021-10-31T16:44:52.209Z [err] npm ERR! #include <dns_sd.h>
2021-10-31T16:44:52.209Z [err] npm ERR! ^~~~~~~~~~
2021-10-31T16:44:52.209Z [err] npm ERR! compilation terminated.
2021-10-31T16:44:52.209Z [err] npm ERR! make: *** [dns_sd_bindings.target.mk:177: Release/obj.target/dns_sd_bindings/src/dns_sd.o] Error 1
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! build error
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! stack Error: `make` failed with exit code: 2
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! stack at ChildProcess.onExit (/usr/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:194:23)
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! stack at ChildProcess.emit (events.js:314:20)
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:276:12)
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! System Linux 5.10.11-v7+
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! command "/usr/bin/node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! cwd /home/pi/.node-red/node_modules/mdns
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! node -v v12.20.2
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! node-gyp -v v8.3.0
2021-10-31T16:44:52.209Z [err] npm ERR! gyp ERR! not ok
2021-10-31T16:44:52.301Z [err]
2021-10-31T16:44:52.301Z [err] npm ERR! A complete log of this run can be found in:
2021-10-31T16:44:52.301Z [err] npm ERR! /home/pi/.npm/_logs/2021-10-31T16_44_52_226Z-debug.log
2021-10-31T16:44:52.333Z rc=1