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POMySQL Install: ERROR: Failed to build gem native extension
 

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    <p>I'm trying to get MySQL installed to the latest version due to some installation going wrong somewhere along the line. I run the command <code>gem install mysql</code> and I receive the following:</p> <blockquote> <p>Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension.</p> <p>/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb extconf.rb:4: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 extconf.rb:4: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 extconf.rb:7: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h</p> <p>Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/mysql-2.8.1 for inspection. Results logged to /Library/Ruby/Gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out</p> </blockquote> <p>I've searched, and tried a whole host of things, from installing specific versions to trying to reinstall ruby without any luck.</p> <p>Any ideas where I may be going wrong?</p> <p>I'm trying to get MySQL installed to the latest version due to some installation going wrong somewhere along the line. I run the command <code>gem install mysql</code> and I receive the following:</p> <blockquote> <p>Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension.</p> <p>/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb extconf.rb:4: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 extconf.rb:4: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 extconf.rb:7: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h</p> <p>Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/mysql-2.8.1 for inspection. Results logged to /Library/Ruby/Gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out</p> </blockquote> <p>I've searched, and tried a whole host of things, from installing specific versions to trying to reinstall ruby without any luck.</p> <p>Any ideas where I may be going wrong?</p> <p><strong>EDIT</strong>: I installed XCode off my Snow Leopard DVD and the error just changed slightly to the following:</p> <blockquote> <p>Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension.</p> <p>/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb extconf.rb:4: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 extconf.rb:4: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 extconf.rb:7: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 extconf.rb:17: warning: Insecure world writable dir /usr/bin in PATH, mode 040777 checking for mysql_query() in -lmysqlclient... no checking for main() in -lm... yes checking for mysql_query() in -lmysqlclient... no checking for main() in -lz... yes checking for mysql_query() in -lmysqlclient... no checking for main() in -lsocket... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lnsl... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lmygcc... no checking for mysql_query() in -lmysqlclient... no <strong>* extconf.rb failed *</strong> 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.</p> <p>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=/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby --with-mysql-config --without-mysql-config --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-mysqlclientlib --without-mysqlclientlib --with-mlib --without-mlib --with-mysqlclientlib --without-mysqlclientlib --with-zlib --without-zlib --with-mysqlclientlib --without-mysqlclientlib --with-socketlib --without-socketlib --with-mysqlclientlib --without-mysqlclientlib --with-nsllib --without-nsllib --with-mysqlclientlib --without-mysqlclientlib --with-mygcclib --without-mygcclib --with-mysqlclientlib --without-mysqlclientlib</p> <p>Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/mysql-2.8.1 for inspection. Results logged to /Library/Ruby/Gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out</p> </blockquote> <p>doing "which mysql" on the command line returns nothing, which means it's not recognizing it. I also installed the MySQL system preferences option, and I can't stop MySQL from running. Now I'm completely stuck as what to do!</p> <p><strong>EDIT EDIT</strong></p> <p>I've just completely reinstalled MySQL using this guide <a href="http://hivelogic.com/articles/installing-mysql-on-mac-os-x" rel="noreferrer">http://hivelogic.com/articles/installing-mysql-on-mac-os-x</a></p> <p>Unfortunately this didn't work either, I still receive the same errors. I can't even do mysql -uroot at the command line, I get the error of: </p> <p>ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)</p> <p>So I think I've tried everything.</p> <p>**SOLVED*</p> <p>Sorry guys, the reason for this not working was because of the MySQL paths. I've blogged on it here: <a href="http://www.kieransenior.co.uk/2010/02/mysql-cant-connect-using-ruby-on-rails-mac-os-x-snow-leopard/" rel="noreferrer">http://www.kieransenior.co.uk/2010/02/mysql-cant-connect-using-ruby-on-rails-mac-os-x-snow-leopard/</a></p>
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