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POError during install of mysql2 gem for ruby 2.0.0 on Windows
 

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  1. POError during install of mysql2 gem for ruby 2.0.0 on Windows
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    <p>I'm trying to install the <code>mysql2</code> gem for Ruby 2.0.0.</p> <p>I tried following the instructions at <a href="http://rorguide.blogspot.hk/2011/03/installing-mysql2-gem-on-ruby-192-and.html" rel="nofollow">http://rorguide.blogspot.hk/2011/03/installing-mysql2-gem-on-ruby-192-and.html</a>, but was not successful. Given the error message below, can anyone help me resolve this error?</p> <pre><code>Temporarily enhancing PATH to include DevKit... Building native extensions. This could take a while... ERROR: Error installing mysql2: ERROR: Failed to build gem native extension. C:/xampp/Ruby200-x64ruby.exe extconf.rb checking for rb_thread_blocking_region()... yes checking for main() in -llibmysql... no *** 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=C:/xampp/Ruby200-x64ruby --with-mysql-dir --without-mysql-dir --with-mysql-include --without-mysql-include=${mysql-dir}/include --with-mysql-lib --without-mysql-lib=${mysql-dir}/lib --with-libmysqllib --without-libmysqllib Gem files will remain installed in C:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0. 3.6 for inspection. Results logged to C:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.3.6/ext/mysql2/ge m_make.out </code></pre> <p>My ruby was downloaded from here:</p> <p><a href="http://rubyinstaller.org/" rel="nofollow">http://rubyinstaller.org/</a></p> <p><em><strong>EDIT</em></strong></p> <pre><code>C:\xampp\Ruby200-x64\lib\ruby\gems\2.0.0&gt;gem install mysql2 -- '--with-mysql-lib ="c:\xampp\mysql\lib" --with-mysql-include="c:\xampp\mysql\include" --with-mysql -config="c:/xampp/mysql/bin/mysql_config.exe"' Temporarily enhancing PATH to include DevKit... Building native extensions with: '--with-mysql-lib="c:\xampp\mysql\lib" --with-m ysql-include="c:\xampp\mysql\include" --with-mysql-config="c:/xampp/mysql/bin/my sql_config.exe"' This could take a while... ERROR: Error installing mysql2: ERROR: Failed to build gem native extension. C:/xampp/Ruby200-x64/bin/ruby.exe extconf.rb --with-mysql-lib="c:\xampp\mysq l\lib" --with-mysql-include="c:\xampp\mysql\include" --with-mysql-config="c:/xam pp/mysql/bin/mysql_config.exe" checking for rb_thread_blocking_region()... *** 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=C:/xampp/Ruby200-x64/bin/ruby C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:431:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:516:in `try_link0' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:531:in `try_link' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:717:in `try_func' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:1001:in `block in have_ func' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:892:in `block in checki ng_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block (2 levels ) in postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block in postpo ne' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:333:in `postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:891:in `checking_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:1000:in `have_func' from extconf.rb:9:in `&lt;main&gt;' Gem files will remain installed in C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems /mysql2-0.3.11 for inspection. Results logged to C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11/ex t/mysql2/gem_make.out C:\xampp\Ruby200-x64\lib\ruby\gems\2.0.0&gt;gem install mysql2 -- '--with-mysql-lib ="c:/xampp/mysql/lib" --with-mysql-include="c:/xampp/mysql/include" --with-mysql -config="c:/xampp/mysql/bin/mysql_config.exe"' Temporarily enhancing PATH to include DevKit... Building native extensions with: '--with-mysql-lib="c:/xampp/mysql/lib" --with-m ysql-include="c:/xampp/mysql/include" --with-mysql-config="c:/xampp/mysql/bin/my sql_config.exe"' This could take a while... ERROR: Error installing mysql2: ERROR: Failed to build gem native extension. C:/xampp/Ruby200-x64/bin/ruby.exe extconf.rb --with-mysql-lib="c:/xampp/mysq l/lib" --with-mysql-include="c:/xampp/mysql/include" --with-mysql-config="c:/xam pp/mysql/bin/mysql_config.exe" checking for rb_thread_blocking_region()... *** 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=C:/xampp/Ruby200-x64/bin/ruby C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:431:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:516:in `try_link0' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:531:in `try_link' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:717:in `try_func' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:1001:in `block in have_ func' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:892:in `block in checki ng_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block (2 levels ) in postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block in postpo ne' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:333:in `postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:891:in `checking_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:1000:in `have_func' from extconf.rb:9:in `&lt;main&gt;' Gem files will remain installed in C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems /mysql2-0.3.11 for inspection. Results logged to C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11/ex t/mysql2/gem_make.out C:\xampp\Ruby200-x64\lib\ruby\gems\2.0.0&gt;gem install mysql -- '--with-mysql-lib= "c:/xampp/mysql/lib" --with-mysql-include="c:/xampp/mysql/include" --with-mysql- config="c:/xampp/mysql/bin/mysql_config.exe"' Fetching: mysql-2.9.1.gem (100%) Temporarily enhancing PATH to include DevKit... Building native extensions with: '--with-mysql-lib="c:/xampp/mysql/lib" --with-m ysql-include="c:/xampp/mysql/include" --with-mysql-config="c:/xampp/mysql/bin/my sql_config.exe"' This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. C:/xampp/Ruby200-x64/bin/ruby.exe extconf.rb --with-mysql-lib="c:/xampp/mysq l/lib" --with-mysql-include="c:/xampp/mysql/include" --with-mysql-config="c:/xam pp/mysql/bin/mysql_config.exe" checking for main() in -llibmysql... *** 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=C:/xampp/Ruby200-x64/bin/ruby --with-mysql-dir --without-mysql-dir --with-mysql-include=${mysql-dir}/include --with-mysql-lib=${mysql-dir}/ --with-libmysqllib --without-libmysqllib C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:431:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:516:in `try_link0' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:531:in `try_link' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:717:in `try_func' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:947:in `block in have_l ibrary' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:892:in `block in checki ng_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block (2 levels ) in postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block in postpo ne' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:333:in `postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:891:in `checking_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:942:in `have_library' from extconf.rb:27:in `&lt;main&gt;' Gem files will remain installed in C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems /mysql-2.9.1 for inspection. Results logged to C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems/mysql-2.9.1/ext/ mysql_api/gem_make.out C:\xampp\Ruby200-x64\lib\ruby\gems\2.0.0&gt;gem install mysql -- '--with-mysql-lib= "c:/xampp/mysql/lib" --with-mysql-include="c:/xampp/mysql/include" --with-mysql- config="c:/xampp/mysql/bin/mysql_config"' Temporarily enhancing PATH to include DevKit... Building native extensions with: '--with-mysql-lib="c:/xampp/mysql/lib" --with-m ysql-include="c:/xampp/mysql/include" --with-mysql-config="c:/xampp/mysql/bin/my sql_config"' This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. C:/xampp/Ruby200-x64/bin/ruby.exe extconf.rb --with-mysql-lib="c:/xampp/mysq l/lib" --with-mysql-include="c:/xampp/mysql/include" --with-mysql-config="c:/xam pp/mysql/bin/mysql_config" checking for main() in -llibmysql... *** 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=C:/xampp/Ruby200-x64/bin/ruby --with-mysql-dir --without-mysql-dir --with-mysql-include=${mysql-dir}/include --with-mysql-lib=${mysql-dir}/ --with-libmysqllib --without-libmysqllib C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:431:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:516:in `try_link0' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:531:in `try_link' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:717:in `try_func' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:947:in `block in have_l ibrary' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:892:in `block in checki ng_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block (2 levels ) in postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:337:in `block in postpo ne' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:307:in `open' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:333:in `postpone' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:891:in `checking_for' from C:/xampp/Ruby200-x64/lib/ruby/2.0.0/mkmf.rb:942:in `have_library' from extconf.rb:27:in `&lt;main&gt;' Gem files will remain installed in C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems /mysql-2.9.1 for inspection. Results logged to C:/xampp/Ruby200-x64/lib/ruby/gems/2.0.0/gems/mysql-2.9.1/ext/ mysql_api/gem_make.out C:\xampp\Ruby200-x64\lib\ruby\gems\2.0.0&gt; </code></pre>
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    1. COPlease remove the single quotes around the rubygems arguments, should read: `gem install mysql2 -- --with-mysql-lib=...` Take a look to this article: http://blog.mmediasys.com/2011/07/07/installing-mysql-on-windows-7-x64-and-using-ruby-with-it/ and this: http://stackoverflow.com/a/5368767/117298
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    2. COOne last thing: you're installing a 64bits version of Ruby, so you need 64bits versions of the DLLs. Most likely xampp don't ship those. I strongly recommend you use the 32bits version of Ruby 2.0.0 unless you have really high memory usage requirements.
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