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I'm trying to install Ruby for programming on my macOS Monterey with Apple M1 chip.

I started off by following these steps:

  1. /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Ok, great! That works...

  1. brew install rbenv

This also worked. I double checked and got: rbenv 1.2.0 is already installed and up-to-date.

  1. rbenv init

This outputs this: eval "$(rbenv init - zsh)" so I change it to that, close terminal, and relaunch it.

  1. rbenv install 3.0.4

And this gets this:

ME@0107 ~ % rbenv install 3.0.4                                   
Downloading openssl-1.1.1q.tar.gz...
-> https://dqw8nmjcqpjn7.cloudfront.net/d7939ce614029cdff0b6c20f0e2e5703158a489a72b2507b8bd51bf8c8fd10ca
Installing openssl-1.1.1q...
patching file test/v3ext.c
Installed openssl-1.1.1q to /Users/ME/.rbenv/versions/3.0.4

Downloading ruby-3.0.4.tar.gz...
-> https://cache.ruby-lang.org/pub/ruby/3.0/ruby-3.0.4.tar.gz
Installing ruby-3.0.4...
ruby-build: using readline from homebrew

BUILD FAILED (macOS 12.5 using ruby-build 20220726)

Inspect or clean up the working tree at /var/folders/bn/gcvl_htn4lz2y2d9h215n0vc0000gn/T/ruby-build.20220814230938.91093.ruEkdU
Results logged to /var/folders/bn/gcvl_htn4lz2y2d9h215n0vc0000gn/T/ruby-build.20220814230938.91093.log

Last 10 log lines:
The Ruby yaml extension was not compiled.
ERROR: Ruby install aborted due to missing extensions
Configure options used:
  --prefix=/Users/ME/.rbenv/versions/3.0.4
  --with-openssl-dir=/Users/ME/.rbenv/versions/3.0.4/openssl
  --enable-shared
  --with-readline-dir=/opt/homebrew/opt/readline
  CC=clang
  LDFLAGS=-L/Users/ME/.rbenv/versions/3.0.4/lib 
  CPPFLAGS=-I/Users/ME/.rbenv/versions/3.0.4/include 
ME@0107 ~ %

Here's where it gets crazy:

I type in: rbenv global 3.1.2 No output... If I typed anything else, terminal would say:

rbenv: version `3.0.2' not installed

but then I type... ruby -v And I get...

ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin18]

Any help would be greatly appreciated.

Holger Just
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ajdw
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    You might be missing `libyaml`, which is needed for compiling the `yaml` gem. Try `brew install libyaml`, and then try to compile Ruby again with rbenv. – Casper Aug 15 '22 at 08:24
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    Check https://github.com/rbenv/ruby-build/wiki#macos and what does the log say? – halfelf Aug 15 '22 at 09:53

1 Answers1

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You can run arch -arm64 rbenv install 3.0.4 and it should install without issues on M1 Chips Devices.

xtealer
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