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PORuby MYSQL2 gem installation on windows 7
 

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    <p>I'm trying to installing the mysql2 gem on windows 7 I downloaded the connector from the mysql site and placed the libmysql.dll in ruby200\bin</p> <p>then do gem install mysql2</p> <p>These are the results am I being dim here?</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:/Ruby200/bin/ruby.exe extconf.rb checking for rb_thread_blocking_region()... yes checking for rb_wait_for_single_fd()... yes checking for rb_hash_dup()... yes checking for rb_intern3()... yes *** 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:/Ruby200/bin/ruby --with-mysql-dir --without-mysql-dir --with-mysql-include --without-mysql-include=${mysql-dir}/include --with-mysql-lib --without-mysql-lib=${mysql-dir}/ extconf.rb:37:in `&lt;main&gt;': undefined method `[]' for nil:NilClass (NoMethodError ) Gem files will remain installed in C:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0. 3.13 for inspection. Results logged to C:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.13/ext/mysql2/g em_make.out </code></pre>
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    1. COAs it indicates, check out: Results logged to C:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.13/ext/mysql2/g em_make.out and also mkmf.log for descriptive errors. Post them here. It probably needs headers such as by supplying "gem install mysql2 -- --with-MySQL-lib=<MySQL source file that matches the correct mod level>". These files can be downloaded to permit installation, but make sure it matches your gem's mod level. I use BitNami Rubystack on Windows 8 which includes MySQL. RailsInstaller is a very popular comprehensive install.
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    2. COIt may be a problem with native gem installation. Can you install other native gems like bson_ext?
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    3. COYeah thanks for the help guys, @R_G yeah you were right I needed to specify the locations for each of the required files via the gem command below, quite why gem install doesn't look in the same folder i'm not sure, I was trying to stay away from bundled installers as it helps me understand rails a bit better!
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