# Mysql gem couldn't be installed

**URL:** <https://www.ruby-forum.com/t/mysql-gem-couldnt-be-installed/109762>\
**Category:** Rails\
**Created:** [July 18, 2007, 7:06pm UTC](https://www.ruby-forum.com/t/mysql-gem-couldnt-be-installed/109762 "2007-07-18T19:06:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![xyzt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/839c29/32.png) [@xyzt](https://www.ruby-forum.com/u/xyzt)\
**Post date:** [July 18, 2007, 7:06pm UTC](https://www.ruby-forum.com/t/mysql-gem-couldnt-be-installed/109762/1 "2007-07-18T19:06:13Z")

</div>

Hello

I want to install mysql gem but i recive error while installing it.  
Here’s my error trace:

darkstar:/home/haluk/rubyprojects/firstapp# gem install mysql  
Select which gem to install for your platform (i486-linux)

1. mysql 2.7.3 (mswin32)
2. mysql 2.7.1 (mswin32)
3. mysql 2.7 (ruby)
4. mysql 2.6 (ruby)
5. Skip this gem
6. Cancel installation

> 3  
> Building native extensions. This could take a while…  
> ERROR: While executing gem … (Gem::Installer::ExtensionBuildError)  
> ERROR: Failed to build gem native extension.

ruby extconf.rb install mysql  
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… no  
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… yes  
checking for mysql\_query() in -lmysqlclient… 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/ruby1.8  
–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

Gem files will remain installed in /var/lib/gems/1.8/gems/mysql-2.7 for  
inspection.  
Results logged to /var/lib/gems/1.8/gems/mysql-2.7/gem\_make.out

---

<div class="post-metadata">

**Author:** ![xyzt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/x/839c29/32.png) [@xyzt](https://www.ruby-forum.com/u/xyzt)\
**Post date:** [July 18, 2007, 7:28pm UTC](https://www.ruby-forum.com/t/mysql-gem-couldnt-be-installed/109762/2 "2007-07-18T19:28:38Z")

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I have solved the problem by installing the development packages…