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PORails 3.2.3 MySQL 5.5.1 Mysql2 gem install fails with ld incompatibilities
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  1. PORails 3.2.3 MySQL 5.5.1 Mysql2 gem install fails with ld incompatibilities
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    copied!<p>I have a clean build system as follows</p> <p>Ubuntu 11.04</p> <p>Rvm 1.13.5</p> <p>Ruby 1.9.3p194</p> <p>Rails 3.2.3</p> <p>Gem 1.8.24</p> <p>MySql 5.5.24-1 (installed in /usr/local)</p> <p>I am trying to install the mysql2 gem (0.3.11) and getting the following problem:</p> <pre><code> pal@smurf01:~$ sudo gem install mysql2 [sudo] password for pal: Building native extensions. This could take a while... ERROR: Error installing mysql2: ERROR: Failed to build gem native extension. /usr/local/rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb checking for rb_thread_blocking_region()... yes checking for rb_wait_for_single_fd()... yes checking for mysql.h... yes checking for errmsg.h... yes checking for mysqld_error.h... yes creating Makefile make compiling client.c client.c: In function 'rb_raise_mysql2_error': client.c:98:3: warning: ISO C90 forbids mixed declarations and code client.c: In function 'rb_mysql_client_socket': client.c:590:3: warning: ISO C90 forbids mixed declarations and code compiling mysql2_ext.c compiling result.c linking shared-object mysql2/mysql2.so /usr/bin/ld: skipping incompatible /usr/local/mysql/lib/libmysqlclient_r.so when searching for -lmysqlclient_r /usr/bin/ld: skipping incompatible /usr/local/mysql/lib/libmysqlclient_r.a when searching for -lmysqlclient_r /usr/bin/ld: cannot find -lmysqlclient_r collect2: ld returned 1 exit status make: *** [mysql2.so] Error 1 Gem files will remain installed in /usr/local/rvm/gems/ruby-1.9.3-p194/gems/mysql2-0.3.11 for inspection. Results logged to /usr/local/rvm/gems/ruby-1.9.3-p194/gems/mysql2-0.3.11/ext/mysql2/gem_make.out pal@smurf01:~$ </code></pre> <p>First question: Has anyone got Rails mysql2 running with MySql 5.5.1 on Ubuntu? I have it running on another system with 5.1. The gem description is vague on supported MySql versions.</p> <p>Second question: Has anyone encountered this problem? I± have battled various library issues with the mysql2 gem over the passed year or so but this seems to be different.</p> <p>Any assistance is gratefully recieved.</p> <p>BTW: Reverting back to MySql 5.1 is a valid solution!</p> <p>Regards </p> <p>Peter</p>
 

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