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Help for gem install sql errors...
Posted by: Andrew Ting ()
Date: December 21, 2009 08:19AM


I downloaded & double clicked 3 files to install mysql 5.1 for MacOS, but i get the following errors, can someone advise please?




sudo gem install mysql -- --with-mysql-config=/path/to/mysql_config
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb --with-mysql-config=/path/to/mysql_config
extconf.rb:10: command not found: /path/to/mysql_config --cflags
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

And when i ran one ruby program :-

$ ruby blog.rb
/Library/Ruby/Gems/1.8/gems/sequel-3.7.0/lib/sequel/adapters/mysql.rb:2: LoadError: require 'mysql' did not define Mysql::CLIENT_MULTI_RESULTS! (Sequel::AdapterNotFound)
You are probably using the pure ruby mysql.rb driver,
which Sequel does not support. You need to install
the C based adapter, and make sure that the
file is loaded instead of the mysql.rb file.
from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
from /Library/Ruby/Gems/1.8/gems/sequel-3.7.0/lib/sequel/core.rb:165:in `require'
from /Library/Ruby/Gems/1.8/gems/sequel-3.7.0/lib/sequel/core.rb:165:in `each'
from /Library/Ruby/Gems/1.8/gems/sequel-3.7.0/lib/sequel/core.rb:165:in `require'
from /Library/Ruby/Gems/1.8/gems/sequel-3.7.0/lib/sequel/database.rb:111:in `adapter_class'
from /Library/Ruby/Gems/1.8/gems/sequel-3.7.0/lib/sequel/database.rb:140:in `connect'
from /Library/Ruby/Gems/1.8/gems/sequel-3.7.0/lib/sequel/core.rb:100:in `connect'
from ./data/init.rb:7
from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
from blog.rb:7

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Subject Written By Posted
Help for gem install sql errors... Andrew Ting 12/21/2009 08:19AM
Re: Help for gem install sql errors... mike montagne 03/21/2010 09:33AM

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