error installing mysql2 0.3.16

gistfile1.rb

$ bundle exec rake vlad:deploy
/Users/dvmac/.rbenv/versions/1.9.3-p484/lib/ruby/gems/1.9.1/gems/systemu-2.2.0/lib/systemu.rb:29: Use RbConfig instead of obsolete and deprecated Config.
/Users/dvmac/.rbenv/versions/1.9.3-p484/lib/ruby/gems/1.9.1/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require': iconv will be deprecated in the future, use String#encode instead.
/Users/dvmac/.rbenv/versions/1.9.3-p484/lib/ruby/gems/1.9.1/gems/tmail-1.2.7.1/lib/tmail/vendor/rchardet-1.3/lib/rchardet.rb:59: warning: already initialized constant VERSION
Faraday::Builder is now Faraday::RackBuilder.
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /Users/dvmac/workllc/workpro/Rakefile:5)
{:app=>:passenger, :type=>:rails, :config=>"config/deploy.rb", :core=>:core, :scm=>:git, :web=>:apache}
HEAD is now at b4f65f1 changes to the gemfile to fix errors
Branch deployed-origin/master set up to track remote branch master from origin.
Your branch is up-to-date with 'origin/master'.
/home/workpro/srv/scm
Switched to branch 'deployed-origin/master'
/home/workpro/srv/scm
fatal: Not a git repository (or any of the parent directories): .git
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /usr/bin/ruby1.9.1 extconf.rb
checking for ruby/thread.h... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
  --with-opt-dir
  --without-opt-dir
  --with-opt-include
  --without-opt-include=${opt-dir}/include
  --with-opt-lib
  --without-opt-lib=${opt-dir}/lib
  --with-make-prog
  --without-make-prog
  --srcdir=.
  --curdir
  --ruby=/usr/bin/ruby1.9.1
/usr/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
  from /usr/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp'
  from /usr/lib/ruby/1.9.1/mkmf.rb:931:in `block in have_header'
  from /usr/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
  from /usr/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
  from /usr/lib/ruby/1.9.1/mkmf.rb:254:in `open'
  from /usr/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
  from /usr/lib/ruby/1.9.1/mkmf.rb:254:in `open'
  from /usr/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
  from /usr/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
  from /usr/lib/ruby/1.9.1/mkmf.rb:930:in `have_header'
  from extconf.rb:9:in `<main>'


Gem files will remain installed in /home/workpro/srv/shared/bundle/ruby/1.9.1/gems/mysql2-0.3.16 for inspection.
Results logged to /home/workpro/srv/shared/bundle/ruby/1.9.1/gems/mysql2-0.3.16/ext/mysql2/gem_make.out
An error occurred while installing mysql2 (0.3.16), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.3.16'` succeeds before bundling.
rake aborted!
execution failed with status 5: ssh [email protected] cd /home/workpro/srv/releases/20150331141248 && bundle install --gemfile /home/workpro/srv/releases/20150331141248/Gemfile --path /home/workpro/srv/shared/bundle --deployment --quiet --without development test

Tasks: TOP => vlad:deploy => vlad:bundle:install
(See full trace by running task with --trace)
[workpro (master *)]$