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Currently, I`m building the Ruby on Rails project environment. However, if I implement bundle install, the following error occurs. I do not know where the cause is, I would like advice.

Environment

  • Ruby v2.5.3
  • Rails 5.2.2
  • MySQL 5.7

Run Command 1

$ bundle install

Output error

Errno::EACCES: Permission denied @ rb_sysopen - /Users/xxx/project_dir/vendor/bundle/ruby/2.5.0/gems/mysql2-0.5.2/CHANGELOG.md An error occurred while installing mysql2 (0.5.2), and Bundler cannot continue. Make sure that `gem install mysql2 -v '0.5.2' --source 'https://rubygems.org/'` succeeds before bundling.

Run Command 2

$ sudo gem install mysql2 -v '0.5.2' --source 'https://rubygems.org/'

Output error

ERROR: Error installing mysql2: ERROR: Failed to build gem native extension. current directory: /Users/xxx/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/mysql2-0.5.2/ext/mysql2/Users/xxx/.rbenv/versions/2.5.3/bin/ruby -I /Users/xxx/.rbenv/versions/2.5.3/lib/ruby/site_ruby/2.5.0 -r ./siteconf20190220-84910-2gf7i1.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 /usr/local/opt/[email protected]/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... yes ----- Don't know how to set rpath on your system, if MySQL libraries are not in path mysql2 may not load ----- ----- Setting libpath to /usr/local/opt/[email protected]/lib ----- creating Makefile current directory: /Users/xxx/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/mysql2-0.5.2/ext/mysql2 make "DESTDIR=" clean current directory: /Users/xxx/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/mysql2-0.5.2/ext/mysql2 make "DESTDIR=" 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 -lssl clang: error: linker command failed with exit code 1 (use -v to see invocation) make: *** [mysql2.bundle] Error 1 make failed, exit code 2
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It seems that some system libraries are missing. As far as I understand you are using macos. So please try: xcode-select --install and bundle install

UPDATE We had a private chat with @getty and we came up a solution. The problem was with some missing headers regarding to ruby program. So we fixed the problem like following:

  1. rbenv uninstall 2.5.3
  2. CC=gcc rbenv install 2.5.3
  3. rbenv local 2.5.3
  4. bundle install

This solution would be applied to rvm or other version managers.

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9 Comments

Thank you for your comment. As you say, I am using MacOS. Command execution result xcode-select --install -> xcode-select: error: command line tools are already installed, use "Software Update" to install updates, bundle install -> same result as above
Ok let's do the second workaround :) 1 -> brew install openssl 2 -> export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/
let me know if the second work around does not work. I have some other toys :)
Thank you. brew install openssl -> openssl 1.0.2q is already installed and up-to-date, export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/ -> bundle install -> It`s same :)
bundle config --global build.mysql2 --with-opt-dir="$(brew --prefix openssl)" and then bundle install
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