Need prebuilt for darwin arm64 (Mac M1)

[k8w]

Install on Mac M1, and got error:

npm ERR! [
npm ERR!   '/usr/local/bin/node',
npm ERR!   '/Users/king/Tests/sctp-to-webrtc/node_modules/node-datachannel/node_modules/.bin/cmake-js',
npm ERR!   'rebuild',
npm ERR!   '--runtime-version=16.15.1',
npm ERR!   '--arch=arm64',
npm ERR!   '--runtime=node'
npm ERR! ]
npm ERR! prebuild-install WARN install No prebuilt binaries found (target=16.15.1 runtime=node arch=arm64 libc= platform=darwin)

It seems like lacking of arm64 darwin prebuilt.

[murat-dogan]

Hi
I am using GitHub to build binaries.
GitHub does not have Mac arm64 system yet unfortunately.

[k8w]

node-datachannel-v0.3.4-node-v93-darwin-arm64.tar.gz

I've build one at NodeJS 16.15.1, for someone needed.

[k8w]

@murat-dogan

After tested at Win(x64), Linux(arm64), Mac(arm64), I found that it seems only matter the cpu architechture.
Any lower node version is compatible for newer.

[murat-dogan]

Sorry for late reply.
Thanks for the comments.

[pimterry]

Hi @murat-dogan, I think this is possible, and we should open this up again and try to make it work.

I've just had one of my users downstream also open an issue that seems to be caused by this (httptoolkit/mockrtc#2), and this will affect all Mac M1s, which are rapidly becoming very popular computers, so this is going to be a big problem if we don't fix it. It's worth noting that this issue is also the 3rd issue in this repo from users struggling with this (#63, #28) and there will only be more of these.

I'm pretty sure this is doable, because there's other projects building M1-compatible 'universal' binaries with prebuild and GitHub Actions, such as Leveldown. Their code to do exactly this is here: Level/leveldown@26ea717

It looks like if you upgrade the GitHub Action OS to Mac v11, and pass the extra flags they're using in that commit, then it'll build a universal binary, that works for both ARM & x64 Mac users. Would that work here?

We'll need to find somebody with an M1 Mac to test the output though - maybe @lichstam or @k8w can help us out?

[lichstam]

i'm available to help with testing :)

[murat-dogan]

Ok. Good points. Let me check it.

[murat-dogan]

Here is what I found till now.

• macos-latest and macos-11 are same OS
• According to this issue Support for VMs on Apple M1 actions/runner-images#2187 github does not support Mac M1 yet
• XCode compiler supports arm64 compilation

I created a seperate github action to test this. Here is the output of the action.
https://github.com/murat-dogan/node-datachannel/releases/download/v0.3.5-dev/node-datachannel-v0.3.5-dev-node-v93-darwin-x64.tar.gz

Could you please download and test the binary @lichstam?

[murat-dogan]

Any news on this @lichstam ?