Update README.md for MacOS (Apple Silicon) Project Setup Instructions.
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Update the "Set up project for AL2 target MacOS (Apple Silicon)" README.md instructions so that the linker works for cross-compilation intox86_64-unknown-linux-musl. I believe the current linker from sudo apt install gcc-x86-64-linux-gnu should work fine, but we need to set up a proper symlink so that it works out of the box for devs without any extra configuration. They should be able to follow the README.md to a T and have the project build and deploy successfully.
Does "sudo apt" work on a mac?
Once the correct x86_64 linker install command and reference is in the build-function.sh... the setup instructions in README.md should suffice.
As a side note, while cross-compiling for aarch64, needed to export reference to x86_64 linker in env, given that some crates will also need to have access to the cross-compile linker. See export CC_x86_64_unknown_linux_musl=x86_64-linux-gnu-gcc on line 13 of build-function.sh. Have a suspicion that the arm64 M1 cross-compile will need to do something similar