title: ld: library not found for -lzstd while bundle install for mysql2 gem Ruby on macOS Big Sur 11.4 Apple M1
body: <p>while running bundle install</p>
  <pre><code>An error occurred while installing mysql2 (0.5.3), and Bundler cannot continue.
  Make sure that `gem install mysql2 -v '0.5.3' --source 'https://rubygems.org/'` succeeds before bundling.
  </code></pre>
  <p><strong>Rails app 6.1.3</strong></p>
  <p><strong>Bundler version 2.2.19</strong></p>
  <p><strong>macOS Big Sur 11.4</strong></p>
  <p><strong>Apple M1</strong></p>
  <p>in the Gemfile</p>
  <pre><code>ruby '2.6.6'
  gem 'rails', '~&gt; 6.1.3', '&gt;= 6.1.3.1'
  gem 'mysql2'
  </code></pre>
  <p>in the Gemfile.lock mysql is at 0.5.3</p>
  <p>when I run <code>bundle install</code> it crashes with the normal:</p>
  <p><a href="https://i.stack.imgur.com/v6svC.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/v6svC.png" alt="enter image description here" /></a></p>
  <p>Examining the build error, which appears earlier in the output,  the build error appears to be: (full results below)</p>
  <pre><code> ld: library not found for -lzstd
  </code></pre>
  <p>The full results from <code>bundle install</code> are</p>
  <pre><code>jason@MacBook-Air  % bundle install    
  Fetching gem metadata from https://rubygems.org/
  Fetching gem metadata from https://rubygems.org/........
  Using rake 13.0.3
  Using concurrent-ruby 1.1.8
  Using rack 2.2.3
  Using nio4r 2.5.7
  Using builder 3.2.4
  Using marcel 1.0.1
  Using mini_portile2 2.5.1
  Using multi_json 1.15.0
  Using method_source 1.0.0
  Using crass 1.0.6
  Using thor 1.1.0
  Using public_suffix 4.0.6
  Using execjs 2.7.0
  Using aws-eventstream 1.1.1
  Using aws-partitions 1.447.0
  Using jmespath 1.4.0
  Using bcrypt 3.1.16
  Using betterlorem 0.1.2
  Using bindex 0.8.1
  Using msgpack 1.4.2
  Using popper_js 1.16.0
  Using ffi 1.15.0
  Using tilt 2.0.10
  Using bundler 2.2.19
  Using byebug 11.1.3
  Using regexp_parser 2.1.1
  Using childprocess 3.0.0
  Using connection_pool 2.2.5
  Using rexml 3.2.5
  Using orm_adapter 0.5.0
  Using diff-lcs 1.4.4
  Using unf_ext 0.0.7.7
  Using docile 1.3.5
  Using e2mmap 0.1.0
  Using erubis 2.7.0
  Using ffaker 2.18.0
  Using finishing_moves 1.0.1
  Using raabro 1.4.0
  Using temple 0.8.2
  Using sexp_processor 4.15.2
  Using hashdiff 1.0.1
  Using hiredis 0.6.3
  Using honeybadger 4.8.0
  Using kaminari-core 1.2.1
  Using rb-fsevent 0.10.4
  Using ruby_dep 1.5.0
  Using ruby2_keywords 0.0.4
  Fetching mysql2 0.5.3
  Using minitest 5.14.4
  Using zeitwerk 2.4.2
  Using parslet 1.8.2
  Using puma 3.12.6
  Using rails_http_options 0.1.0
  Using redis 4.2.5
  Using rubyzip 2.3.0
  Using semantic_range 3.0.0
  Using rspec-support 3.10.2
  Using simple-random 1.0.3
  Using simplecov-html 0.12.3
  Using simplecov_json_formatter 0.1.2
  Using spring 2.1.1
  Using sqlite3 1.4.2
  Using stripe 5.32.1
  Using vcr 6.0.0
  Using i18n 1.8.10
  Using tzinfo 2.0.4
  Using rack-test 1.1.0
  Using sprockets 3.7.2
  Using warden 1.2.9
  Using rack-attack 6.5.0
  Using rack-cors 1.1.1
  Using rack-protection 2.1.0
  Using rack-proxy 0.6.5
  Using sitemap_generator 6.1.2
  Using addressable 2.7.0
  Using autoprefixer-rails 10.2.4.0
  Using aws-sigv4 1.2.3
  Using bootsnap 1.7.4
  Using sassc 2.4.0
  Using crack 0.4.5
  Using unf 0.1.4
  Using haml 5.2.1
  Using ruby_parser 3.15.1
  Using rb-inotify 0.10.1
  Using mustermann 1.1.1
  Using thwait 0.2.0
  Using sidekiq 6.2.1
  Using websocket-extensions 0.1.5
  Using activesupport 6.1.3.2
  Using aws-sdk-core 3.114.0
  Using simpleidn 0.2.1
  Using et-orbi 1.2.4
  Using faker 2.17.0
  Using sass-listen 4.0.0
  Using launchy 2.5.0
  Using listen 3.1.5
  Using rspec-core 3.10.1
  Using rspec-expectations 3.10.1
  Using rspec-mocks 3.10.2
  Using selenium-webdriver 3.142.7
  Using simplecov 0.21.2
  Using sinatra 2.1.0
  Using webmock 3.12.2
  Using erubi 1.10.0
  Using mini_mime 1.0.3
  Using racc 1.5.2
  Using ruby_http_client 3.5.2
  Using nokogiri 1.11.3
  Using websocket-driver 0.7.3
  Using globalid 0.4.2
  Using activemodel 6.1.3.2
  Using mail 2.7.1
  Using aws-sdk-kms 1.43.0
  Using dnsruby 1.61.5
  Using factory_bot 6.1.0
  Using fugit 1.4.5
  Using sass 3.7.4
  Using jbuilder 2.11.2
  Using rspec 3.10.0
  Using sendgrid-ruby 6.4.0
  Using shoulda-matchers 4.5.1
  Using simplecov-rcov 0.2.3
  Using split 3.4.1
  Using spring-watcher-listen 2.0.1
  Using rails-dom-testing 2.0.3
  Using loofah 2.9.1
  Using activejob 6.1.3.2
  Using activerecord 6.1.3.2
  Using aws-sdk-s3 1.93.1
  Using xpath 3.2.0
  Using html2haml 2.2.0
  Using roo 2.8.3
  Using rspec-wait 0.0.9
  Using rufus-scheduler 3.7.0
  Using webdrivers 4.6.0
  Using rails-html-sanitizer 1.3.0
  Using sidekiq-scheduler 3.0.1
  Using capybara 3.35.3
  Using counter_culture 2.8.0
  Using actionview 6.1.3.2
  Using kaminari-activerecord 1.2.1
  Using actionpack 6.1.3.2
  Using kaminari-actionview 1.2.1
  Using nonschema_migrations 5.0.2
  Using actionmailer 6.1.3.2
  Using railties 6.1.3.2
  Using sprockets-rails 3.2.2
  Using kaminari 1.2.1
  Using activestorage 6.1.3.2
  Using activerecord-session_store 2.0.0
  Using font_awesome5_rails 1.4.0
  Using actioncable 6.1.3.2
  Using haml-rails 2.0.1
  Using sass-rails 5.1.0
  Using jquery-rails 4.4.0
  Using rspec-rails 5.0.1
  Using web-console 4.1.0
  Using webpacker 5.2.1
  Using actionmailbox 6.1.3.2
  Using actiontext 6.1.3.2
  Using sassc-rails 2.1.2
  Using responders 3.0.1
  Using bootstrap 4.4.1
  Using rails 6.1.3.2
  Using factory_bot_rails 6.1.0
  Using devise 4.7.3
  Using turbo-rails 0.5.9 from https://github.com/hotwired/turbo-rails.git (at main@2945dcb)
  Using stimulus-rails 0.2.3
  Using stripe-rails 2.3.0
  Using universal-track-manager 0.6.1.alpha
  Using paranoia 2.4.3
  Using spf-query 0.1.5 from https://github.com/trailofbits/spf-query.git (at master@6dac502)
  Installing mysql2 0.5.3 with native extensions
  Using hot-glue 0.1.1
  Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
  
      current directory: /Users/jason/.rvm/gems/ruby-2.6.6/gems/mysql2-0.5.3/ext/mysql2
  /Users/jason/.rvm/rubies/ruby-2.6.6/bin/ruby -I /Users/jason/.rvm/rubies/ruby-2.6.6/lib/ruby/site_ruby/2.6.0 -r
  ./siteconf20210604-8580-1kmtwzs.rb extconf.rb
  checking for rb_absint_size()... yes
  checking for rb_absint_singlebit_p()... yes
  checking for rb_wait_for_single_fd()... yes
  -----
  Using mysql_config at /opt/homebrew/bin/mysql_config
  -----
  checking for mysql.h... yes
  checking for errmsg.h... yes
  checking for SSL_MODE_DISABLED in mysql.h... yes
  checking for SSL_MODE_PREFERRED in mysql.h... yes
  checking for SSL_MODE_REQUIRED in mysql.h... yes
  checking for SSL_MODE_VERIFY_CA in mysql.h... yes
  checking for SSL_MODE_VERIFY_IDENTITY in mysql.h... yes
  checking for MYSQL.net.vio in mysql.h... yes
  checking for MYSQL.net.pvio in mysql.h... no
  checking for MYSQL_ENABLE_CLEARTEXT_PLUGIN in mysql.h... yes
  checking for SERVER_QUERY_NO_GOOD_INDEX_USED in mysql.h... yes
  checking for SERVER_QUERY_NO_INDEX_USED in mysql.h... yes
  checking for SERVER_QUERY_WAS_SLOW in mysql.h... yes
  checking for MYSQL_OPTION_MULTI_STATEMENTS_ON in mysql.h... yes
  checking for MYSQL_OPTION_MULTI_STATEMENTS_OFF in mysql.h... yes
  checking for my_bool in mysql.h... no
  -----
  Don't know how to set rpath on your system, if MySQL libraries are not in path mysql2 may not load
  -----
  -----
  Setting libpath to /opt/homebrew/Cellar/mysql/8.0.25_1/lib
  -----
  creating Makefile
  
  current directory: /Users/jason/.rvm/gems/ruby-2.6.6/gems/mysql2-0.5.3/ext/mysql2
  make &quot;DESTDIR=&quot; clean
  
  current directory: /Users/jason/.rvm/gems/ruby-2.6.6/gems/mysql2-0.5.3/ext/mysql2
  make &quot;DESTDIR=&quot;
  compiling client.c
  compiling infile.c
  compiling mysql2_ext.c
  compiling result.c
  compiling statement.c
  linking shared-object mysql2/mysql2.bundle
  ld: library not found for -lzstd
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  make: *** [mysql2.bundle] Error 1
  
  make failed, exit code 2
  
  Gem files will remain installed in /Users/jason/.rvm/gems/ruby-2.6.6/gems/mysql2-0.5.3 for inspection.
  Results logged to /Users/jason/.rvm/gems/ruby-2.6.6/extensions/-darwin-20/2.6.0/mysql2-0.5.3/gem_make.out
  
  An error occurred while installing mysql2 (0.5.3), and Bundler cannot continue.
  Make sure that `gem install mysql2 -v '0.5.3' --source 'https://rubygems.org/'` succeeds before bundling.
  
  In Gemfile:
    mysql2
  jason@MacBook-Air  % 
  </code></pre>
  <p>I have already successfully run <code>brew install mysql</code> ... if I run it again it tells me:</p>
  <p>Warning: mysql 8.0.25_1 is already installed and up-to-date.
  To reinstall 8.0.25_1, run:
  brew reinstall mysql</p>