Building Emscripten on Apple ARM M1 #

Update: [2021-01-24] The workarounds in this blog post are now obsolete, as openjdk, yuicompressor, and emscripten are now available in ARM homebrew.

On Mac, Emscripten is available in the Intel version of Homebrew, but not the ARM version of Homebrew. I use Emscripten rarely enough that this doesn't bother me. However, I thought I'd try compiling it on the ARM version.

I couldn't get openjdk working in ARM homebrew, but I was able to get emscripten installed in ARM homebrew by using the Intel/Rosetta version of openjdk:

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