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Last active February 26, 2024 17:41
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Notes for installing Core Lightning on MacOS M1
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cln-macos-m1.md

Notes for installing Core Lightning on MacOS M1 (tested on M1 Max)

Follow MacOS install guide

Keep in mind that the instructions are designed for Intel, so /usr/local needs to be replaced by /opt/homebrew in most places.

Make sure native rust toolchain is installed for rust stuff

install nightly-aarch64-apple-darwin toolchain to get rid of errors about wrong arch lib linked

rustup install nightly-aarch64-apple-darwin

Then to make this toolchain your default:

rustup default nightly-aarch64-apple-darwin

Update LDFLAGS and CPPFLAGS:

export LDFLAGS="-L/opt/homebrew/opt/sqlite/lib"
export CPPFLAGS="-I/opt/homebrew/opt/sqlite/include"

Configure and make:

./configure && make -j$(( $(nproc) - 1))

Nondeterministic issues with cpu usage on first launch

If lightningd hogs all your CPU when you start it up, kill it, delete its pid file, and try again. I haven't discovered why this happens.

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