Issue with installing the mysql gem: solved, how to install mysql gem without issue

When tried to install mysql gem I got following error
[root@localhost siwan]# sudo gem install mysql
Building native extensions. This could take a while…
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.

/usr/bin/ruby extconf.rb
checking for mysql_ssl_set()… yes
checking for rb_str_set_len()… no
checking for rb_thread_start_timer()… yes
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/bin/ruby
–with-mysql-config
–without-mysql-config

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

To find the mysql path on machine used following command
[root@localhost siwan]# which mysql
/usr/bin/mysql

I tried following command:
[root@localhost siwan]# sudo gem install mysql — –with-mysql-dir=/usr/bin/mysql

I Got the same error

[root@localhost siwan]# sudo gem install mysql — –with-mysql-dir=/usr/bin/mysql
Building native extensions. This could take a while…
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.

/usr/bin/ruby extconf.rb
checking for mysql_ssl_set()… yes
checking for rb_str_set_len()… no
checking for rb_thread_start_timer()… yes
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/bin/ruby
–with-mysql-config
–without-mysql-config

Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/mysql-2.8.1 for inspection.
Results logged to /usr/lib/ruby/gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
ERROR: could not find gem — locally or in a repository
ERROR: could not find gem –with-mysql-dir=/usr/bin/mysql locally or in a repository

Then I checked the mysql-devel
[root@localhost siwan]# yum list mysql-devel
Loaded plugins: refresh-packagekit
Available Packages
mysql-devel.i586 5.1.37-1.fc11 updates

Then I Installed the mysql-devel
[root@localhost siwan]# yum install mysql-devel
Installed:
mysql-devel.i586 0:5.1.37-1.fc11
Complete!

Then I tried the mysql Gem installing…..I am able to install the mysql gem…
[root@localhost siwan]# gem install mysql
Building native extensions. This could take a while…
Successfully installed mysql-2.8.1
1 gem installed
Installing ri documentation for mysql-2.8.1…
Installing RDoc documentation for mysql-2.8.1…
[root@localhost siwan]#

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