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Problem installing mysql gem on CentOS 5.4 with ruby-enterprise
Posted by: Stefan Stefansson
Date: January 22, 2010 10:07AM

Hello.

I have installed the ruby-enterprise and ruby-enterprise-rubygems packages from https://packages.endpoint.com on a fresh CentOS 5.4 box (x86_64).

I need to install the mysql gem but I'm getting an error message that it can't find mysql.h.

After googling I found two suggestions:

1) Install mysql-devel. This was already done so this solution didn't work for me.
2) Install using "gem install mysql -- --with-mysql-config=/usr/lib64/mysql/mysql_config". I tried this but I get the exact same error message.

The error I'm getting is the following:
[root@projects ~]# gem install mysql -- --with-mysql-config=/usr/lib64/mysql/mysql_config
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.

/usr/local/bin/ruby extconf.rb --with-mysql-config=/usr/lib64/mysql/mysql_config
checking for mysql_ssl_set()... no
checking for rb_str_set_len()... no
checking for rb_thread_start_timer()... no
checking for mysql.h... no
checking for mysql/mysql.h... 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=/usr/local/bin/ruby
--with-mysql-config


Gem files will remain installed in /usr/local/lib/ruby/gems/1.8/gems/mysql-2.8.1 for inspection.
Results logged to /usr/local/lib/ruby/gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out

I would appreciate any and all help resolving this. I'm not familiar with ruby/gem so any pointers on how to get more debugging information out of this could help quite a lot.

Kind regards, Stefan Freyr.

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Problem installing mysql gem on CentOS 5.4 with ruby-enterprise
January 22, 2010 10:07AM


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